| |
Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
(Co) Author: Wickert, J.
-
Li, X.; Ge, M.; Zhang, X.; Zhang, Y.; Guo, B.; Wang, R.; Klotz, J.; Wickert, J. (2013): Real-time high-rate co-seismic displacement from ambiguity-fixed precise point positioning: Application to earthquake early warning. Geophysical Research Letters, 40, 2, 295-300.
-
Steiner, A. K.; Hunt, D.; Ho, S.-P.; Kirchengast, G.; Mannucci, A. J.; Scherllin-Pirscher, B.; Gleisner, H.; v. Engeln, A.; Schmidt, T.; Ao, C.; Leroy, S. S.; Kursinski, E. R.; Foelsche, U.; Gorbunov, M.; Heise, S.; Kuo, Y.-H.; Lauritsen, K. B.; Marquardt, C.; Rocken, C.; Schreiner, W.; Sokolovskiy, S.; Syndergaard, S.; Wickert, J. (2013): Quantification of structural uncertainty in climate data records from GPS radio occultation. Atmospheric Chemistry and Physics, 13, 3, 1469-1484.
-
de la Torre, A.; Alexander, P.; Hierro, R.; Llamedo, P.; Rolla, A.; Schmidt, T.; Wickert, J. (2012): Large amplitude gravity waves above the Southern Andes, the Drake Passage and the Antarctic Peninsula. Journal of Geophysical Research, 117, D2, 15 PP.
-
Ho, S.; Hunt, D.; Steiner, A.; Mannucci, A. J.; Kirchengast, G.; Gleisner, H.; Heise, S.; v. Engeln, A.; Marquardt, C.; Sokolovskiy, S.; Schreiner, W.; Ao, C.; Wickert, J.; Syndergaad, S.; Lauritsen, K.; Leroy, S.; Kursinski, R.; Kuo, Y.-H.; Scherllin-Pirscher, B.; Foelsche, U.; Schmidt, T.; Gorbunov, M. (2012): Reproducibility of GPS radio occultation data for climate monitoring: Profile-to-profile inter-comparison of CHAMP climate records 2002 to 2008 from six data centers. Journal of Geophysical Research, 117, D18111.
-
Nafisi, V.; Urquhart, L.; Santos, M. C.; Nievinski, F. G.; Böhm, J.; Wijaya, D. D.; Schuh, H.; Ardalan, A. A.; Hobiger, T.; Ichikawa, R.; Zus, F.; Wickert, J.; Gegout, P. (2012): Comparsion of ray-tracing packages for tropsphere delays. IEEE Transactions on Geoscience and Remote Sensing, 50, 2, 469-481.
-
Pavelyev, A. G.; Liou, Y. A.; Zhang, K.; Wang, C. S.; Wickert, J.; Schmidt, T.; Gubenko, V. N.; Pavelyev, A. A.; Kuleshov, Y. (2012): Identification and localization of layers in the ionosphere using the eikonal and amplitude of radio occultation signals. Atmospheric Measurement Techniques, 5, 1, 1-16.
-
Semmling, M.; Schmidt, T.; Wickert, J.; Schön, S.; Fabra, F.; Cardellach, E.; Rius, A. (2012): On the Retrieval of the Specular Reflection in GNSS Carrier Observations for Ocean Altimetry. Radio Science, 47, 6, RS2018.
-
Yue, X.; Schreiner, W. S.; Kuo, Y.-H.; Hunt, D. C.; Wnag, W.; Solomon, S. C.; Burns, A. G.; Bilitza, D.; Liu, J. Y.; Wan, W.; Wickert, J. (2012): Global 3-D ionospheric electron density reanalysis based on multisource data assimilation. Journal of Geophysical Research, 117, A09325.
-
Zus, F.; Bender, M.; Deng, Z.; Dick, G.; Heise, S.; Shangguan, M.; Wickert, J. (2012): A methodology to compute GPS slant total delays in a numerical weather model. Radio Science, 47, No. 2, RS2018.
-
Alexander, P.; de la Torre, A.; Llamedo, P.; Hierro, R.; Schmidt, T.; Faber [Haser], A.; Wickert, J. (2011): A method to improve the determination of wave perturbations close to the tropopause by using a digital filter. Atmospheric Measurement Techniques, 4, 9, 1777-1784.
-
Bender, M.; Dick, G.; Ge, M.; Deng, Z.; Wickert, J.; Kahle, H.-G.; Raabe, A.; Tetzlaff, G. (2011): Development of a GNSS water vapour tomography system using algebraic reconstruction techniques. Advances in Space Research, 47, 10, 1704-1720.
-
Bender, M.; Stosius, R.; Zus, F.; Dick, G.; Wickert, J.; Raabe, A. (2011): GNSS water vapour tomography – Expected improvements by combining GPS, GLONASS and Galileo observations. Advances in Space Research, 47, 5, 886-897.
-
Beyerle, G.; Grunwaldt, L.; Heise, S.; Köhler, W.; König, R.; Michalak, G.; Rothacher, M.; Schmidt, T.; Wickert, J.; Tapley, B. D.; Giesinger, B. (2011): First results from the GPS atmosphere sounding experiment TOR aboard the TerraSAR-X satellite. Atmospheric Chemistry and Physics, 11, 13, 6687-6699.
-
Corsmeier, U.; Kalthoff, N.; Barthlott, C.; Aoshima, F.; Behrendt, A.; Di Girolamo, P.; Dorninger, M.; Handwerker, J.; Kottmeier, C.; Mahlke, H.; Mobbs, S. D.; Norton, E. G.; Wickert, J.; Wulfmeyer, V. (2011): Processes driving deep convection over complex terrain: A multi-scale analysis of observations from COPS-IOP 9c. Quarterly Journal of the Royal Meteorological Society, 137, S1, 137-155.
-
Deng, Z.; Bender, M.; Zus, F.; Ge, M.; Dick, G.; Ramatschi, M.; Wickert, J.; Löhnert, U.; Schön, S. (2011): Validation of tropospheric slant path delays derived from single and dual frequency GPS receivers. Radio Science, 46, RS6007.
-
Semmling, A. M.; Beyerle, G.; Stosius, R.; Dick, G.; Wickert, J.; Fabra, F.; Cardellach, E.; Ribó, S.; Rius, A.; Helm, A.; Yudanov, S. B.; d'Addio, S. (2011): Detection of Arctic Ocean tides using interferometric GNSS-R signals. Geophysical Research Letters, 38, L04103.
-
Khandu, J.; Awange, L.; Wickert, J.; Schmidt, T.; Sharifi, M. A.; Heck, B.; Fleming, K. (2010): GNSS remote sensing of the Australian tropopause. Climatic Change, 105, 3-4, 597-618.
-
Schmidt, T.; Wickert, J.; Faber [Haser], A. (2010): Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation bending angles and temperatures. Advances in Space Research, 46, 2, 150-161.
-
Arras, C.; Jacobi, C.; Wickert, J. (2009): Semidiurnal tidal signature in sporadic E occurrence rates derived from GPS radio occultation measurements at higher midlatitudes. Annales Geophysicae, 27, 6, 2555-2563.
-
Bender, M.; Dick, G.; Wickert, J.; Ramatschi, M.; Ge, M.; Gendt, G.; Rothacher, M.; Raabe, A.; Tetzlaff, G. (2009): Estimates of the information provided by GPS slant data observed in Germany regarding tomographic applications. Journal of Geophysical Research, 114, D06303.
-
Ho, S.-P.; Kirchengast, G.; Leroy, S.; Wickert, J.; Mannucci, A. J.; Stiner, A. K.; Hunt, D.; Schreiner, W.; Sokolovskiy, S.; Ao, C. O.; Borsche, M.; von Engeln, A.; Foelsche, U.; Heise, S.; Iijima, B.; Kuo, Y.-H.; Kursinski, R.; Pirscher, B.; Ringer, M.; Rocken, C.; Schmidt, T. (2009): Estimating the Uncertainty of using GPS Radio Occultation Data for Climate Monitoring: Inter-comparison of CHAMP Refractivity Climate Records 2002-2006 from Different Data Centers. Journal of Geophysical Research, 114, D23107.
-
Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Cheng, C. Z.; Healy, S. B.; Heise, S.; Huang, C. Y.; Jakowski, N.; Köhler, W.; Mayer, C.; Offiler, D.; Ozawa, E.; Pavelyev, A. G.; Rothacher, M.; Tapley, B.; Arras, C. (2009): GPS radio occultation: results from CHAMP, GRACE and FORMOSAT-3/COSMIC. Terrestrial Atmospheric and Oceanic Sciences, 20, 1, 35-50.
-
Bender, M.; Dick, G.; Wickert, J.; Schmidt, T.; Song, S.; Gendt, G.; Ge, M.; Rothacher, M. (2008): Validation of GPS slant delays using water vapour radiometers and weather models. Meteorologische Zeitschrift, 17, 6, 807-812.
-
Heise, S.; Wickert, J.; Beyerle, G.; Schmidt, T.; Smit, H.; Cammas, J. P.; Rothacher, M. (2008): Comparison of Water Vapour and Temperature Results From GPS Radio Occultation Aboard CHAMP With MOZAIC Aircraft Measurements. IEEE Transactions on Geoscience and Remote Sensing, 46, 11, 3406-3411.
-
Pavelyev, A. G.; Liou, Y. A.; Wickert, J.; Pavelyev, A. A.; Schmidt, T.; Igarashi, K.; Matyugov, S. S. (2008): Location of layered structures in the ionosphere and atmosphere by use of GPS occultation data. Advances in Space Research, 42, 1, 224-228.
-
Pavelyev, A. G.; Wickert, J.; Liou, Y. A. (2008): Localization of plasma layers in the ionosphere based on observing variations in the phase and amplitude of radiowaves along the satellite-to-satellite path. Radiophysics and Quantum Electronics, 51, 1, 1-8.
-
Schmidt, T.; Wickert, J.; Heise, S.; Flechtner, F.; Fagiolini, E.; Schwarz, G.; Zenner, L.; Gruber, T. (2008): Comparison of ECMWF analyses with GPS radio occultations from CHAMP. Annales Geophysicae, 26, 11, 3225-3234.
-
Wrasse, C. M.; Fechine, J.; Takahashi, H.; Denardini, C. M.; Wickert, J.; Mlynczak, M. G.; Russell, J. M.; Barbosa, C. L. (2008): Temperature comparison between CHAMP radio occultation and TIMED/SABER measurements in the lower stratosphere. Advances in Space Research, 41, 9, 1423-1428.
-
Alfred, J.; Fromm, M.; Bevilacqua, R.; Nedoluha, G.; Strawa, A.; Poole, L.; Wickert, J. (2007): Observations and analysis of polar stratospheric clouds detected by POAM III and SAGE III during the SOLVE II/VINTERSOL campaign in the 2002/2003 Northern Hemisphere winter. Atmospheric Chemistry and Physics, 7, 9, 2151-2163.
-
Awange, J. L.; Sharifi, M. A.; Ogonda, G.; Wickert, J.; Grafarend, E. W.; Omulo, M. A. (2007): The Falling Lake Victoria Water Level: GRACE, TRIMM and CHAMP Satellite Analysis of the Lake Basin. Water Resources Management, 22, 7, 775-796.
-
Engeln, A. v.; Teixeira, J.; Wickert, J.; Buehler, S. (2007): Comment on 'Monitoring the atmospheric boundary layer by GPS radio occultation signals recorded in the open-loop mode' by S. Sokolovskiy et al.. Geophysical Research Letters, 34, L02806.
-
Foelsche, U.; Borsche, M.; Steiner, A.K.; Gobiet, A.; Pirscher, B.; Kirchengast, G.; Wickert, J.; Schmidt, T. (2007): Observing upper troposphere-lower stratosphere climate with radio occultation data from the CHAMP satellite. Climate Dynamics, 31, 1, 49-65.
-
Fröhlich, K.; Schmidt, T.; Ern, M.; Preusse, P.; de la Torre, A.; Wickert, J.; Jacobi, Ch. (2007): The global distribution of gravity wave energy in the lower stratosphere derived from GPS data and gravity wave modelling: Attempt and challenges. Journal of Atmospheric and Solar-Terrestrial Physics, 69, 17-18, 2238-2248.
-
de la Torre, A.; Schmidt, T.; Wickert, J. (2006): A global analysis of wave potential energy in the lower stratosphere derived from 5 years of GPS radio occultation data with CHAMP. Geophysical Research Letters, 33, L24809.
-
Liou, Y. A.; Pavelyev, A. G.; Wickert, J. (2005): Observation of the gravity waves from GPS/MET radio occultation data. Journal of Atmospheric and Solar-Terrestrial Physics, 67, 3, 219-228.
-
Pavelyev, A. G.; Wickert, J.; Liou, Y. A.; Reigber, C.; Schmidt, T.; Igarashi, K.; Pavelyev, A. A.; Matyugov, S. S. (2005): Different mechanisms of the ionospheric influence on GPS occultation signals. GPS Solutions, 9, 2, 96-104.
-
Pavelyev, A. G.; Wickert, J.; Schmidt, T.; Reigber, C.; Matyugov, S. S.; Pavelyev, A. A.; Liou, Y. A.; Igarashi, K. (2005): Effect of Solar Activity in Late October 2003 on Radio occultation Signals from the CHAMP German Satellite. Geomagnetism and Aeronomy, 45, 1, 134-139.
-
Wang, D. Y.; Clarmann, T. von; Fischer, H.; Funke, B.; Gil-López, S.; Glatthor, N.; Grabowski, U.; Höpfner, M.; Kaufmann, M.; Kellmann, S.; Kiefer, M.; Koukouli, M. E.; Linden, A.; López-Puertas, M.; Mengistu Tsidu, G.; Milz, M.; Steck, T.; Stiller, G. P.; Simmons, A. J.; Dethof, A.; Swinbank, R.; Marquardt, C.; Jiang, J. H.; Romans, L.; Wickert, J.; Schmidt, T.; Ill, R. J.; Remsberg, E. (2005): Validation of stratospheric temperatures measured by Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) on Envisat. Journal of Geophysical Research, 110, D8, D08301.
-
Wickert, J.; Beyerle, G.; König, R.; Heise, S.; Grunwaldt, L.; Michalak, G.; Reigber, C.; Schmidt, T. (2005): GPS radio occultation with CHAMP and GRACE: A first look at a new and promising satellite configuration for global atmospheric sounding. Annales Geophysicae, 23, 3, 653-658.
-
Beyerle, G.; Wickert, J.; Schmidt, T.; Reigber, C. (2004): Atmospheric sounding by global navigation satellite system radio occultation: An analysis of the negative refractivity bias using CHAMP observations. Journal of Geophysical Research, 109, D01106.
-
Schmidt, T.; Wickert, J.; Marquardt, C.; Beyerle, G.; Reigber, C.; Galas, R.; König, R. (2004): GPS radio occultation with CHAMP: an innovative remote sensing method of the atmosphere. Advances in Space Research, 33, 7, 1036-1040.
-
Torre de la, A.; Tsuda, T.; Hajj, G. A.; Wickert, J. (2004): A global distribution of the stratospheric gravity wave activity from GPS occultation profiles with SAC-C and CHAMP. Journal of the Meteorological Society of Japan, 82, 1B, 407-417.
-
Wang, D. Y.; Stiller, G. P.; v. Clarmann, T.; Fischer, H.; Lopez-Puertas, M.; Funke, B.; Gil-Lopez, S.; Glatthor, N.; Höpfner, M.; Kellmann, S.; Tsidu, G. M.; Milz, M.; Steck, T.; Jiang, J. H.; Ao, C. O.; Manney, G.; Hocke, K.; Wu, D. L.; Romans, L. J.; Wickert, J.; Schmidt, T. (2004): Cross-validation of MIPAS/ENVISAT and GPS-RO/CHAMP temperature profiles. Journal of Geophysical Research, 109, D19311.
-
Wickert, J.; Galas, R.; Beyerle, G.; Reigber, C.; Förste, C.; Ramatschi, M. (2004): Atmospheric sounding with CHAMP: GPS ground station data for occultation processing. Physics and Chemistry of the Earth, Parts A/B/C, 29, 2-3, 267-275.
-
Wickert, J.; Pavelyev, A. G.; Liou, Y. A.; Schmidt, T.; Reigber, C.; Igarashi, K.; Pavelyev, A. A.; Matyugov, S. (2004): Amplitude variations in GPS signals as a possible indicator of ionospheric structures. Geophysical Research Letters, 31, L24801.
-
Igarashi, K.; Pavelyev, A. G.; Wickert, J.; Hocke, K.; Pavelyev, D. A. (2002): Application of radio holographic method for observation of altitude variations of the electron density in the mesophere/lower thermosphere using GPS/MET radio occultation data. Journal of Atmosphere and Solar-Terrestrial Physics, 64, 959-969.
-
Pavelyev, A. G.; Liou, Y. A.; Reigber, C.; Wickert, J.; Igarashi, K.; Hocke, K.; Huang, C.-Y. (2002): GPS radio holography as a tool for remote sensing of the atmosphere, mesosphere, and terrestrial surface from space. GPS Solutions, 6, 1-2, 100-108.
-
Hocke, K.; Igarashi, K.; Nakamura, M.; Wilkinson, P.; Wu, J.; Pavelyev, A. G.; Wickert, J. (2001): Global sounding of sporadic E layers by the GPS/MET radio occultation experiment. Journal of Atmospheric and Solar-Terrestrial Physics, 63, 18, 1973-1980.
-
Wickert, J.; Reigber, C.; Beyerle, G.; König, R.; Schmidt, T.; Grunwaldt, L.; Galas, R.; Meehan, T.; Melbourne, W. G.; Hocke, K. (2001): Atmosphere sounding by GPS radio occultation: First Results from CHAMP. Geophysical Research Letters, 28, 17, 3263-3266.
-
Notarpietro, R.; Gabella, M.; Perona, G.; Wickert, J. (2006): The GPS limb sounding technique for remote sensing of the atmospheric refractivity and some insight about the new Italian Space Agency GPS receiver for radio occultation. Rivista Italiana di Telerilevamento, 35, 131-145.
-
Wickert, J.; Schmidt, T. (2005): Fernerkundung der mittleren Atmosphäre mit GPS-Radiookkultation. promet, 31, 1, 50-52.
-
Ge, S. J.; Shum, C. K.; Wickert, J.; Reigber, C. (2003): GPS radio occultation - a potential new data source for improvement of antarctic pressure field. Wuhan University Journal of Natural Sciences, 8, No. 2B, 636-648.
-
Wickert, J. (Ed.) (2010): 10 Jahre Erdbeobachtung mit CHAMP : eine Satelliten-Mission der Helmholtz-Zentren GFZ und DLR / (Ed.), Helmholtz-Zentrum Potsdam, Deutsches GeoForschungsZentrum, 3-26.
-
Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Ed.) (2010): System Earth via Geodetic-Geophysical Space Techniques / (Ed.), Advanced Technologies in Earth Sciences, Springer.
-
Arras, C.; Wickert, J.; Jacobi, C.; Beyerle, G.; Heise, S.; Schmidt, T. (2013): Global Sporadic E Layer Characteristics Obtained from GPS Radio Occultation Measurements. - In: Lübken, F.-J. (Eds.), Climate and weather of the sun-earth system (CAWSES) : highlights from a priority program, Springer, 207-222.
-
Ern, M.; Arras, C.; Faber, A.; Fröhlich, K.; Jacobi, Ch.; Kalisch, S.; Krebsbach, M.; Preusse, P.; Schmidt, T.; Wickert, J. (2013): Observations and Ray Tracing of Gravity Waves: Implications for Global Modeling. - In: Lübken, F.-J. (Eds.), Climate and weather of the sun-earth system (CAWSES) : highlights from a priority program, Springer, 383-408.
-
Pavelyev, A.; Pavelyev, A.; Matyugov, S.; Yakovlev, O.; Liou, Y.; Zhang, K.; Wickert, J. (2013): Radio Wave Propagation Phenomena from GPS Occultation Data Analysis. - In: Zheng, Y. (Eds.), Wave Propagation Theories and Applications, Intech.
-
Zenner, L.; Gruber, T.; Beutler, G.; Jäggi, A.; Flechtner, F.; Schmidt, T.; Wickert, J.; Fagiolini, E.; Schwarz, G.; Trautmann, T. (2012): Using atmospheric uncertainties for GRACE de-aliasing - first results. - In: Kenyon, S.; Pacino, M. C.; Marti, U. (Eds.), Geodesy for Planet Earth : Proceedings of the 2009 IAG Symposium, Buenos Aires, Argentina, 31 August 31 - 4 September 2009, Springer, 147-153.
-
Beyerle, G.; Arras, C.; Heise, S.; Schmidt, T.; Wickert, J. (2010): GPS-Radiookkultation mit dem CHAMP-Satelliten. - In: Gathen, P. v. d.; Rinke, A.; Neuber, R.; Leutert, B. (Eds.), Polare Atmosphärenforschung in Potsdam : Festschrift anlässlich des 60. Geburtstages von Klaus Dethloff mit Beiträgen von wissenschaftlichen Weggefährten, Alfred-Wegener-Institut für Polar- und Meeresforschung, Forschungsstelle Potsdam, 133-141.
-
Chen, J.; Bender, M.; Beyerle, G.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Wickert, J. (2010): GNSS Activities for Natural Disaster Monitoring and Climate Change Detection at GFZ - an Overview. - In: Chuvieco, E.; Li, J.; Yang, X. (Eds.), Advances in Earth Observation of Global Change, Springer, 159-172.
-
Dobslaw, H.; Thomas, M. (2010): Numerical simulations of short-term non-tidal ocean mass anomalies. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic- Geophysical Space Techniques, Springer, 119-129.
-
Flechtner, F. (2010): Improved GRACE Level-1 and Level-2 Products and their Validation by Ocean Bottom Pressure. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic- Geophysical Space Techniques, Springer, 95-104.
-
Flechtner, F. (2010): More Accurate and Faster Available CHAMP and GRACE Gravity Fields for the User Community. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 3-13.
-
Flechtner, F.; Dahle, C.; Neumayer, K.-H.; König, R.; Förste, C. (2010): The Release 04 CHAMP and GRACE EIGEN Gravity Field Models. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 41-58.
-
Flechtner, F.; Thomas, M.; Dobslaw, H. (2010): Improved non-tidal atmospheric and oceanic de-aliasing for GRACE. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 131-142.
-
Güntner, A. (2010): Continental water storage variations from GRACE time-variable gravity data. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 369-375.
-
König, D.; König, R. (2010): GGOS-D Integration with Low Earth Orbiters. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 577-582.
-
Mandea, M.; Holschneider, M.; Lesur, V.; Lühr, H. (2010): The Earth’s Magnetic Field at the CHAMP Satellite Epoch. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic- Geophysical Space Techniques, Springer, 475-526.
-
Michalak, G.; König, R. (2010): Improvements for the CHAMP and GRACE Observation Model. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 29-39.
-
Michalak, G.; König, R. (2010): Near-Real Time Satellite Orbit Determination for GPS Radio Occultation with CHAMP and GRACE. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 443-454.
-
Michalak, G.; König, R. (2010): Rapid Science Orbits for CHAMP and GRACE Radio Occultation Data Analysis. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 67-77.
-
Petrovic, S.; Braun, R.; Barthelmes, F.; Wünsch, J.; Kusche, J.; Hengst, R. (2010): Surface mass variability from GRACE and hydrological models: Characteristic periods and the reconstruction of significant signals. - In: Flechtner, F. M.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 377-386.
-
Pingel, D.; Rhodin, A.; Werger, W.; Tomassini, M.; Gorbunov, M.; Wickert, J. (2010): Assimilation of CHAMP and GRACE-A Radio Occultation Data in the GME Global Meteorological Model of the German Weather Service. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 461-471.
-
Rudenko, S.; Thaller, D.; Gendt, G.; Dähnn, M.; Schöne, T. (2010): Reanalysis of GPS data at Tide Gauges and the Combination for the IGS TIGA Pilot Project. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 335-340.
-
Schmidt, T.; Wickert, J.; Michalak, G. (2010): The operational processing system for GPS radio occultation data from CHAMP and GRACE. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 455-460.
-
Schön, N.; Esselborn, S.; Schöne, T. (2010): A 15-year reconstruction of sea level anomalies using radar altimetry and GPS-corrected tide gauge data. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 359-365.
-
Schöne, T.; Esselborn, S.; Rudenko, S.; Raimondo, J.-C. (2010): Radar Altimetry Derived Sea Level Anomalies - The Benefit of New Orbits and Harmonization. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 317-324.
-
Schöne, T.; Schröter, J. (2010): Sea Level Variations - Prospects from the Past to the Present (SEAVAR). - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, 313-316.
-
Shako, R.; Förste, C.; Abrikosov, O.; Kusche, J. (2010): GOCE and Its Use for a High-Resolution Global Gravity Combination Model. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer-Verlag, 231-242.
-
Snopek, K.; König, D.; König, R. (2010): Orbit Predictions for CHAMP and GRACE. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 59-66.
-
Steigenberger, P.; Artz, T.; Böckmann, S.; Kelm, R.; König, R.; Meisel, B.; Müller, H.; Nothnagel, A.; Rudenko, S.; Tesmer, V.; Thaller, D. (2010): GGOS-D Consistent, High-Accuracy Technique-Specific Solutions. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 545-554.
-
Werth, S.; Güntner, A. (2010): Calibration of a global hydrological model with GRACE data. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 417-426.
-
Wickert, J. (2010): Near-real-time provision and usage of global atmospheric data from CHAMP and GRACE (NRT-RO): Motivation and Introduction. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 429-432.
-
Wickert, J.; Beyerle, G.; Falck, C.; Healy, S. B.; Heise, S.; Köhler, W.; Michalak, G.; Offiler, D.; Pingel, D.; Ramatschi, M.; Rothacher, M.; Schmidt, T. (2010): Global atmospheric data from CHAMP and GRACE-A: Overview and results. - In: Flechtner, F.; Gruber, T.; Güntner, A.; Mandea, M.; Rothacher, M.; Schöne, T.; Wickert, J. (Eds.), System Earth via Geodetic-Geophysical Space Techniques, Springer, 433-441.
-
de la Torre, A.; Alexander, P.; Llamedo, P.; Schmidt, T.; Wickert, J. (2009): New Horizons in Occultation Research. - In: Steiner, A.; Pirscher, B.; Foelsche, U.; Kirchengast, G. (Eds.), New Horizons in Occultation Research : Studies in Atmosphere and Climate, Springer, 151-162.
-
de la Torre, A.; Alexander, P.; Llamedo, P.; Schmidt, T.; Wickert, J. (2009): Recent Advances in Gravity Wave Analysis from Long Term Global GPS Radio Occultation Observations. - In: Steiner, A.; Pirscher, B.; Foelsche, U.; Kirchengast, G. (Eds.), New Horizons in Occultation Research : Studies in Atmosphere and Climate, Springer, 151-162.
-
Pavelyev, A. G.; Liou, Y. A.; Wickert, J.; Gubenko, V. N.; Pavelyev, A. A.; Matyugov, S. S. (2009): New Applications and Advances of the GPS Radio Occultation Technology as Recovered by Analysis of the FORMOSAT-3/COSMIC and CHAMP Data-Base. - In: Steiner, A.; Pirscher, B.; Foelsche, U.; Kirchengast, G. (Eds.), New Horizons in Occultation Research : Studies in Atmosphere and Climate, Springer, 163-176.
-
Wickert, J.; Schmidt, T.; Michalak, G.; Heise, S.; Arras, C.; Beyerle, G.; Falck, C.; König, R.; Pingel, D.; Rothacher, M. (2009): GPS Radio Occultation with CHAMP, GRACE-A, SAC-C, TerraSAR-X, and FORMOSAT-3/COSMIC: Brief Review of Results from GFZ. - In: Steiner, A.; Pirscher, B.; Foelsche, U.; Kirchengast, G. (Eds.), New Horizons in Occultation Research : Studies in Atmosphere and Climate, Springer, 3-16.
-
Jacobi, C.; Arras, C.; Wickert, J. (2008): Semidiurnal signature over Collm (51,3°N; 13°E) in sporadic E layer frequency obtained from FORMOSAT-3 / COSMIC GPS radio occultation measurements. - In: Raabe, A. (Eds.), Meteorologische Arbeiten ... und Jahresbericht 2007 des Instituts für Meteorologie der Universität Leipzig, 129-140.
-
Michalak, G.; Wickert, J.; König, R.; Rothacher, M. (2007): Near-real time satellite orbit determination for GPS radio occultation. Observation of the System Earth from Space: Status Seminar, 22.-23. November 2007, Bavarian Academy of Sciencesand Humanities, Munich, Programme & Abstracts, Koordinierungsbüro GEOTECHNOLOGIEN, 23-25.
-
Pingel, D.; Rhodin, A.; Wergen, W.; Tomassini, M.; Gorbunov, M.; Wickert, J. (2007): Assimilation of CHAMP and GRACE-A Radio Occultation data in the GME Global Atmospheric Model of the German Weather Service. - In: Stroink, L. (Eds.), Observations of the System Earth from Space : status seminar, 22 - 23 November 2007, Bavarian Academy of Sciences and Humanities, Munich; Programme & Abstracts, Koordinierungsbüro Geotechnologien, 26-35.
-
Wickert, J.; Beyerle, G.; Falck, C.; Flechtner, F.; Galas, R.; Grunwaldt, L.; Healy, S. B.; Heise, S.; Köhler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Offiler, D.; Pingel, D.; Poli, P.; Ozawa, E.; Rothacher, M.; Schmidt, T.; Tapley, B.; Wergen, W. (2007): Global atmospheric data from CHAMP and GRACE in near-real time. Observations of the System Earth from Space : status seminar, 22 - 23 November 2007, Bavarian Academy of Sciences and Humanities, Munich; Programme & Abstracts, Koordinierungsbüro GEOTECHNOLOGIEN, 36-40.
-
Wickert, J.; Gendt, G.; Beyerle, G.; Heise, S.; Helm, A.; Reigber, C.; Schmidt, T.; Jakowski, N.; Jacobi, C. (2007): Ground and Space Based GPS Atmospheric Sounding: Brief Overview and Examples. - In: Anandan, V. K.; Roettger, J.; Rao, D. N. (Eds.), Proceedings of the INTAR colloquium -International Network of Atmosphere Radar-, National Atmospheric Research Laboratory, Gadanki, 1-10.
-
Wickert, J.; Jakowski, N. (2007): GNSS based sounding of the Atmosphere/Ionosphere. - In: Müller, J.; Hornik, H. (Eds.), National Report of the Federal Republic of Germany on the Geodetic activities in the years 2003-2007 : XXIV General Assembly of the International Union for Geodesy and Geophysics (IUGG) 2007 in Perugia /Italy, Beck, 125-129.
-
Beyerle, G.; Heise, S.; Kaschenz, J.; König-Langlo, G.; Reigber, C.; Schmidt, T.; Wickert, J. (2006): Refractivity biases in GNSS occultation data. - In: Fölsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 37-43.
-
Bizzarri, B.; Bordi, I.; Dell'Aquila, A.; Petitta, M.; Schmidt, T.; Sutera, A.; Wickert, J. (2006): Analysis of seasonal and daily mid-latitude tropopause pressure using GPS radio occultation data and NCEP-NCAR reanalysis. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 253-263.
-
Borsche, M.; Gobiet, A.; Steiner, A. K.; Foelsche, U.; Kirchengast, G.; Schmidt, T.; Wickert, J. (2006): Pre-operational retrieval of radio occultation based climatologies. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 315-323.
-
Foelsche, U.; Gobiet, A.; Steiner, A. K.; Borsche, M.; Wickert, J.; Schmidt, T.; Kirchengast, G. (2006): Global Climatologies Based on Radio Occultation Data: The CHAMPCLIM Project. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 303-314.
-
Pavelyev, A. G.; Wickert, J.; Liou, Y. A.; Pavelyev, A. A.; Jacobi, C. (2006): Analysis of atmospheric and ionospheric wave structures using the CHAMP and GPS/MET radio occultation database. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 225-241.
-
von Engeln, A.; Teixeira, J.; Wickert, J.; Buehler, S. A. (2006): CHAMP radio occultation detection of the planetary boundary layer top. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 265-272.
-
Wickert, J.; Beyerle, G.; Schmidt, T.; Healy, S. B.; Heise, S.; Michalak, G.; Rothacher, M. (2006): GPS based atmospheric sounding with CHAMP: Results achieved after four years. Proceedings / The 2005 EUMETSAT Meteorological Satellite Conference : Dubrovnik, Croatia, 19 - 23 September 2005, Eumetsat, 39-47.
-
Wickert, J.; Schmidt, T.; Beyerle, G.; Heise, S.; Reigber, C. (2006): Global Atmospheric Sounding with GPS Radio Occultation aboard CHAMP. - In: Flury, J.; Rummel, R.; Reigber, C.; Rothacher, M.; Boedecker, G.; Schreiber, U. (Eds.), Observation of the Earth System from Space, Springer, 55-70.
-
Wickert, J.; Schmidt, T.; Beyerle, G.; Michalak, G.; König, R.; Reigber, C.; Heise, S. (2006): GPS radio occultation with CHAMP and GRACE: Recent results. - In: Foelsche, U.; Kirchengast, G.; Steiner, A. (Eds.), Atmosphere and climate : studies by occultation methods, Springer, 3-16.
-
Ballani, L.; Wardinski, I.; Stromeyer, D.; Greiner-Mai, H. (2005): Time structure of the 1991 magnetic jerk in the core-mantle boundary zone by inverting global magnetic data supported by satellite measurements. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 311-316.
-
Beyerle, G.; Wickert, J.; Schmidt, T.; König, R.; Reigber, C. (2005): An analysis of the lower tropospheric refractivity bias by heuristic sliding spectral methods. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 507-512.
-
Fleming, K.; Martinec, Z.; Hagedoorn, J.; Wolf, D. (2005): Contemporary changes in the geoid about Greenland: predictions relevant to gravity space missions. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 217-222.
-
Foelsche, U.; Kirchengast, G.; Gobiet, A.; Steiner, A. K.; Löscher, A.; Wickert, J.; Schmidt, T. (2005): The CHAMPCLIM project : An overview. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 615-620.
-
Förste, C.; Choi, S. (2005): CHAMP Accelerometer Preprocessing at GeoForschungsZentrum Potsdam. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 169-174.
-
Förster, M.; Rother, M.; Lühr, H. (2005): Ionospheric plasma effects for geomagnetic LEO missions at mid- and low-latitudes. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : results from three years in orbit, Springer, 239-248.
-
Gobiet, A.; Kirchengast, G.; Wickert, J.; Retscher, C.; Wang, D.-Y.; Hauchecorne, A. (2005): Evaluation of Stratospheric Radio Occultation Retrieval Using Data from CHAMP, MIPAS, GOMOS, and ECMWF Analysis Fields. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 531-536.
-
Heise, S.; Jakowski, N.; Cooke, D. (2005): Ionosphere/Plasmasphere imaging based on GPS navigation measurements from CHAMP and SAC-C. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 471-476.
-
Heise, S.; Stolle, C.; Schlüter, S.; Jakowski, N. (2005): Differential Code Bias of GPS Receivers in Low Earth Orbit: An Assessment for CHAMP and SAC-C. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 465-470.
-
Helm, A.; Beyerle, G.; Heise, S.; Schmidt, T.; Wickert, J. (2005): The continuous Wavelet Transform, a valuable analysis tool to detect atmospheric and ionospheric signatures in radiooccultation path delay data. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP - Results from Three Years in Orbit, Springer, 591-596.
-
Kaban, M. K.; Schwintzer, P.; Reigber, C. (2005): Dynamic topography as reflected in the global gravity field.. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 199-204.
-
König, R.; Michalak, G.; Neumayer, K.-H.; Schmidt, R.; Zhu, S.Y.; Meixner, H.; Reigber, C. (2005): Recent Developments in CHAMP orbit determination at GFZ. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 65-70.
-
König, R.; Michalak, G.; Reigber, C.; Grunwaldt, L. (2005): CHAMP Clock Characterization Revisited. - In: Reigber, C.; Luehr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : results from three years in, Springer, 175-180.
-
Liou, Y. A.; Wickert, J.; Pavelyev, A.; Reigber, C.; Schmidt, T.; Huang, C. Y.; Yan, S. (2005): Gravity wave 'portrait' reconstructed by radio holographic analysis of the amplitude of GPS radio occultation signals. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from three years in orbit, Springer, 549-554.
-
McCreadie, H.; Martinec, Z. (2005): Geomagnetic induction modeling based on CHAMP magnetic vector data. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 335-340.
-
Neumayer, K.-H.; Michalak, G.; König, R. (2005): On calibrating the CHAMP on-board accelerometer and attitude quaternion processing. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 71-76.
-
Pavelyev, A. G.; Wickert, J.; Reigber, C.; Schmidt, T.; Liou, Y. A.; Huang, C. Y.; Matyugov, S. S.; Pavelyev, D. A. (2005): Amplitude variations of CHAMP radio occultation data as an indicator of the ionospheric activity. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 431-440.
-
Pavelyev, A.; Wickert, J.; Liou, Y. A. (2005): Diffractice integrals for bistatic remote sensing using GPS signals. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from three years in orbit, Springer, 513-518.
-
Pavelyev, A.; Wickert, J.; Liou, Y. A.; Pavelyev, A. A.; Schmidt, T.; Matyugov, S. S. (2005): Results of radio holografic analysis of GPS occultation signals registered during CHAMP and PS/MET small satellites missions. - In: Röser, H.-P.; Sandau, R.; Valenzuela, A. (Eds.), Small satellites for Earth Observation, Wissenschaft und Technik Verl., 35-39.
-
Reigber, C.; Jochmann, H.; Wünsch, J.; Petrovic, S.; Schwintzer, P.; Barthelmes, F.; Neumayer, K.-H.; König, R.; Förste, C.; Balmino, G.; Biancale, R.; Lemoine, J.-M.; Loyer, S.; Perosanz, F. (2005): Earth gravity field and seasonal variability from CHAMP. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP: Results from Three Years in Orbit, Springer-Verlag, 25-30.
-
Schmidt, T.; Wickert, J.; Beyerle, G.; König, R.; Galas, R.; Reigber, C. (2005): The CHAMP atmospheric processing system for radio occultation measurements. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 597-602.
-
Schmidt, T.; Wickert, J.; Beyerle, G.; Reigber, C. (2005): Tropical Tropopause Characteristics from CHAMP. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 561-566.
-
Stolle, C.; Schlüter, S.; Jacobi, C.; Jakowski, N.; Heise, S.; Raabe, A. (2005): Three-Dimensional Monitoring of the Polar Ionosphere with Ground- and Space-Based GPS. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Spinger, 477-482.
-
Torre de la, A.; Tsuda, T.; Tsai, H. F.; Hajj, G. A.; Wickert, J. (2005): Aanalysis of gravity wave variablity from SAC-C and CHAMP occultation profiles between June 2001 and March 2003. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 609-614.
-
Vespe, F.; Wickert, J.; Benedetto, C.; Pacione, R. (2005): Derivation of the Water Vapor Content from the GNSS Radio Occultation Observations. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 537-542.
-
Wang, D. Y.; Wickert, J.; Stiller, G.; Clarmann, T. von; Beyerle, G.; Schmidt, T.; Puertas, M. L.; Funke, B.; Gil-Lopez, S.; Glatthor, N.; Grabowski, U.; Höpfner, M.; Kellermann, S.; Kiefer, M.; Linden, A.; Tsidu, G. M.; Milz, M.; Steck, T.; Fischer, H.; Reigber, C. (2005): Comparisons of MIPAS/ENVISAT and GPS-RO/CHAMP temperature profiles. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 567-572.
-
Wardinski, I.; Holme, R. (2005): New insight into secular variation between MAGSAT and CHAMP/ØRSTED. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 305-311.
-
Wickert, J.; Gobiet, A.; Beyerle, G.; Steiner, A. K.; Kirchengast, G.; Foelsche, U.; Schmidt, T. (2005): GPS radio occultation with CHAMP: Comparison of inversion results from GFZ Potsdam and IGAM Graz. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth Observation with CHAMP : Results from Three Years in Orbit, Springer, 525-530.
-
Wickert, J.; Schmidt, T.; Beyerle, G.; Michalak, G.; König, R.; Kaschenz, J.; Reigber, C. (2005): Atmospheric profiling with CHAMP: Status of the operational data analysis, validation of the recent data products and future prospects. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : Results from Three Years in Orbit, Springer, 495-500.
-
Neumeyer, J.; Schwintzer, P.; Barthelmes, F.; Dierks, O.; Imanishi, Y.; Kroner, C.; Meurers, B.; Sun, H.-P.; Virtanen, H. (2004): Comparison of Superconducting Gravimeter and CHAMP Satellite derived Temporal Gravity Variations. - In: Reigber, C.; Lühr, H.; Schwintzer, P.; Wickert, J. (Eds.), Earth observation with CHAMP : results from thre years in orbit, Springer, 31-36.
-
Pavelyev, A. G.; Liou, Y. A.; Wickert, J.; Huang, C. Y.; Igarashi, K.; Hocke, K. (2004): The Radio-holographic Approach for GNSS Occultation Data Analysis: Review and Application to Resolving Fine Structures in the Atmosphere and Mesosphere. - In: Kirchengast, G.; Foelsche, U.; Steiner, A. K: (Eds.), Occultations for probing atmosphere and climate, Springer, 25-39.
-
Marquardt, C.; Schöllhamer, K.; Beyerle, G.; Schmidt, T.; Wickert, J.; Reigber, C. (2003): Validation and data quality of CHAMP radio occultation data.. - In: Reigber, C.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP mission results for gravity, magnetic and atmospheric studies, Springer, 384-396.
-
Pavelyev, A. G.; Wickert, J.; Liou, Y. A.; Igarashi, K.; Hocke, K.; Huang, C.-Y. (2003): Vertical Gradients of Refractivity in the Mesosphere and Atmosphere retrieved from GPS/MET and CHAMP Radio Occultation Data. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies, Springer-Verlag, 500-507.
-
Pavelyev, D. A.; Wickert, J.; Pavelyev, A. G.; Kucherjavenkov, I.; Matyugov, S. S.; Hocke, K.; Beyerle, G.; Yakovlev, O. I.; Kucherjavenkov, A. (2003): Observation of reflected Signals in MIR/GEO and GPS/MET Radio Occultation Missions. - In: Reigber, Ch.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies, Springer-Verlag, 508-514.
-
Wickert, J. (2003): Atmosphere sounding using GPS radio occultation. National report of the Federal Republic of Germany on the geodetic activities in the years 1999-2003, Beck, 53-56.
-
Wickert, J.; Beyerle, G.; Schmidt, T.; König, R.; Reigber, C.; Marquardt, C. (2003): Highlights of CHAMP atmospheric occultation results. OIST-4 proceedings : 4th OERSTED International Science Team Conference, Copenhagen, 23-27 September 2002, Danish Meteorological Institute, 235-240.
-
Wickert, J.; Beyerle, G.; Schmidt, T.; Marquardt, C.; König, R.; Grunwaldt, L.; Reigber, C. (2003): GPS Radio Occultation with CHAMP. - In: Reigber, C.; Lühr, H.; Schwintzer, P. (Eds.), First CHAMP Mission Results for Gravity, Magnetic and Atmospheric Studies, Springer-Verlag, 371-383.
-
Beyerle, G.; Reigber, C.; Galas, R.; Grunwaldt, L.; König, R.; Marquardt, C.; Meehan, T. K.; Schmidt, T.; Wickert, J.; Yunck, T. P. (2002): Radio occultation results and lessons learnt from the CHAMP mission. Proceedings / The 2002 EUMETSAT Meteorological Satellite Conference : Dublin, Ireland, 02 - 06 September 2002, Eumetsat, 107-114.
-
Wickert, J.; Reigber, C.; Beyerle, G.; König, R.; Marquardt, C.; Schmidt, T.; Meehan, T.; Grunwaldt, L.; Galas, R. (2002): GPS radio occultation with CHAMP : Initial results. Proceedings of the International Beacon Satellite Symposium : Boston, 3 - 6 June, 2001 (available on CD), 59-62.
-
Wickert, J.; Schmidt, T.; Marquardt, C.; Reigber, C.; Neumayer, K.-H.; Beyerle, G.; Galas, R.; Grunwaldt, L. (2002): GPS radio occultation with CHAMP : First results and status of the experiment. - In: Ádám, J. (Eds.), Vistas for geodesy in the new millennium : IAG 2001 scientific assembly, Budapest, Hungary, September 2-7, 2001, 273-278.
-
Reigber, C.; Galas, R.; König, R.; Jakowski, N.; Wickert, J.; Wehrenpfennig, A. (2000): GFZ and DLR contribution to a GPS ground network to support the CHAMP mission. - In: Rummel, R.; Drewes, H.; Bosch, W.; Hornik, H. (Eds.), Towards an integrated global geodetic observing system (IGGOS) : IAG Section II symposium, Munich, Germany, 5 - 9 October 1998, Springer, 222-224.
-
Pavelyev, A. G.; Hocke, K.; Jakowski, N.; Wickert, J.; Matyugov, S. S.; Kucherjavenkov, A.; Wehrenpfennig, A.; Zakharov, A. (1999): Radioholographic method for atmosphere sounding using small satellite, Small Satellites for Earth Observation. - In: Röser, H. P. (Eds.), Small satellites for earth observation : digest of the 2nd international symposium of the International Academy of Astronautics, Berlin, April 12 - 16, 1999, Wissenschaft und Technik Verlag Berlin, 199-202.
-
Reigber, C.; Galas, R.; König, R.; Jakowski, N.; Wickert, J.; Wehrenpfennig, A. (1998): GFZ and DLR Contribution to a PGS Ground Network to Support the CHAMP Mission. - In: Rummel, R.; Drewes, H.; Bosch, W. (Eds.), Towards an integrated global geodetic observing system (IGGOS) : IAG Section II symposium, Munich, October 5-9, 1998, Springer, 222-224.
-
Beckheinrich, J.; Semmling, M.; Beyerle, G.; Wickert, J.; Apel, H. (2012): GNSS-Reflectometry from ground-based, airborne and satellite platforms: Observations and simulation studies. Electronic Proceedings / EUSAR 2012, 9th European Conference on Synthetic Aperture Radar - EuSAR 2012 (Nürnberg, Germany 2012), 641-644.
-
Heise, S.; Wickert, J.; Arras, C.; Beyerle, G.; Bender, M.; Chen, J.; Deng, Z.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Faber, A.; Ramatschi, M.; Schmidt, T.; Semmling, M.; Stosius, R. (2012): GPS-basierte Atmosphärenfernerkundung am GFZ: Beobachtungsverfahren und Anwendungen. SORACAL-Meeting (Potsdam, Germany 2012).
-
Schmidt, T.; Heise, S.; Michalak, G.; Beyerle, G.; Zus, F.; Wickert, J.; Faber, A.; de la Torre, A.; Alexander, P. (2012): Upper tropospheric and lower stratospheric variability observed with GPS radio occultation data since 2001: Results from CHAMP, GRACE, TerraSAR-X, and FORMOSAT-3/COSMIC. International Radio Occultation Working Group (IROWG) 2nd Workshop (Boulder 2012).
-
Wickert, J. (2012): GPS/Galileo Earth Observation at GFZ: Recent activities and results. 3rd China Satellite Navigation Conference - CSNC (Guangzhou, China 2012).
-
Wickert, J.; Arras, C.; Bartsch, M.; Beyerle, G.; Bender, M.; Deng, Z.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Michalak, G.; Ramatschi, M.; Schmidt, T.; Semmling, M. (2012): GPS/Galileo Earth Observation at GFZ: Recent activities and results. International Symposium and Summer School on Space Geodesy and Earth System (SGES2012) (Shanghai, China 2012).
-
Wickert, J.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Heise, S.; Ramatschi, M.; Stege, S.; Schmidt, T.; Semmling, M.; Zus, F. (2012): GNSS radio occultation at GFZ: Recent results and activities related to future missions. Sixth FORMOSAT-3/COSMIC Data Users' Workshop (Boulder, Colorado 2012).
-
Wickert, J.; Jakowski, N. (2012): Space Geodesy for global atmospheric sounding: GNSS radio occultation. AOGS - AGU (WPGM) Joint Assembly (Singapur 2012).
-
Wickert, J.; Rannat, K.; Wang, J.; Braun, J.; Dick, G.; Elgered, G.; Gutman, S.; Jones, J.; Liu, Z..; Shoji, Y. (2012): GRUAN GNSS Precipitable Water Task Team. IGS Workshop 2012 (Olsztyn, Poland 2012).
-
Wickert, J.; Yunck, T. (2012): GNSS atmospheric sounding. International Symposium and Summer School on Space Geodesy and Earth System (SGES2012) (Shanghai, China 2012).
-
Alberding, J.; Wickert, J. (2011): Online GNSS service with scalable positioning accuracy. NEREUS - International Conference 'Data Flow from Space to Earth: Applications and Interoperability' (Venice 2011).
-
Arras, C.; Jacobi, C.; Wickert, J.; Heise, S.; Schmidt, T. (2011): Global observation and analysis of sporadic E layers detected using GPS radio occultation measurements from CHAMP, GRACE and FORMOSAT-3/COSMIC. 5th FORMOSAT-3 / COSMIC Data User Workshop (Taipei, Taiwan 2011).
-
Arras, C.; Pancheva, D.; Jacobi, C.; Wickert, J. Wickert (2011): Characteristics of sporadic E layers derived from global GPS radio occultation measurements. The 4th IAGA/ICMA/CAWSES-II TG4 Workshop on Vertical Coupling in the Atmosphere-Ionosphere System (Prague 2011).
-
Bender, M.; Li, X.; Dick, G.; Zus, F.; Ramatschi, M.; Dousa, J.; Chen, J.; Ge, M.; Wickert, J. (2011): GPS-derived Atmospheric Water Vapour at GFZ: from Near Real-Time to Real-Time Processing. General Assembly European Geosciences Union (Vienna, Austria 2011).
-
Cui, H.; Ge, M.; Han, C.; Wickert, J. (2011): Improving Real-Time GNSS Satellite Orbit Determination with Data from Low Earth Orbiting Satellites. General Assembly European Geosciences Union (Vienna, Austria 2011).
-
Ge, M.; Li, X.; Chen, J.; Dousa, J.; Wickert, J. (2011): Global Precise Point Positioning with Regional Augmentation for Instantaneous Ambiguity Resolution. Kolloquium Satellitennavigation (München 2011).
-
Li, X.; Ge, M.; Wickert, J. (2011): Regional network augmented real-time precise point positioning for instantaneous ambiguity resolution. General Assembly European Geosciences Union (Vienna, Austria 2011).
-
Santos, M.; Wickert, J. (2011): Report from Sub-Commission 4.3: Remote Sensing and Modelling of the Atmosphere. 25th IUGG General Assembly (Melbourne 2011).
-
Scheinert, M.; Schwabe, J.; Eberlein, L.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Geiger, A.; Wickert, J.; Beyerle, G.; Semmling, M.; Gerber, T.; Ribó, S.; Rius, A.; Cardellach, E.; Heyde, I.; Meyer, U.; Blindow, N.; Jenett, M.; Markgraf, M.; Rivas, R.; Grillenberger, A. (2011): The Application of the New German 'High Altitude and Long Range Research Aircraft' (HALO) for Airborne Geodesy and Geophysics. 11th International Symposium on Antarctic Earth Sciences (ISAES XI) (Edinburgh 2011).
-
Scheinert, M.; Schwabe, J.; Eberlein, L.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Geiger, A.; Wickert, J.; Beyerle, G.; Semmling, M.; Gerber, T.; Ribó, S.; Rius, A.; Cardellach, E.; Heyde, I.; Meyer, U.; Blindow, N.; Markgraf, M.; Rivas, R.; Grillenberger, A.; Jenett, M. (2011): The Application of the New German 'High Altitude and Long Range Research Aircraft' (HALO) for Airborne Geodesy and Geophysics. 25th IUGG General Assembly (Melbourne 2011).
-
Steiner, A. K.; Ho, S.-P.; Hunt, D.; Kirchengast, G.; Mannucci, A. J.; Scherllin-Pirscher, B.; Gleisner, H.; von Engeln, A.; Schmidt, T.; Ao, C.; Leroy, S. S.; Foelsche, U.; Kuo, Y.-H.; Kursinski, E. R.; Lauritsen, K. B.; Syndergaard, S.; Marquardt, C.; Rocken, C.; Schreiner, W.; Sokolovskiy, S.; Wickert, J. (2011): Structural Uncertainty of the CHAMP RO Climate Record from Different Data Centers. 5th FORMOSAT-3 / COSMIC Data Users Workshop and International Conference on GPS Radio Occultation (ICGPSRO) (Taipei, Taiwan 2011).
-
Steiner, A. K.; Hunt, D.; Ho, S. P.; Kirchengast, G.; Mannucci, A. J.; Scherllin-Pirscher, B.; Gleisner, H.; von Engeln, A.; Schmidt, T.; Ao, C. O.; Leroy, S. S.; Foelsche, U.; Kuo, Y.-H.; Kursinski, E. R.; Lauritsen, K. B.; Syndergaard, S.; Gorbunov, M.; Marquardt, C.; Rocken, C.; Schreiner, W. S.; Sokolovskiy, S. V.; Wickert, J. (2011): Towards Earth System Data Records from GPS Radio Occultation: Assessing Structural Uncertainty. AGU 2011 Fall Meeting (San Francisco 2011).
-
Wickert, J. (2011): Remote Sensing with Navigation Satellites: Recent Activities and Results. 48th Session of the Scientific and Technical Subcommittee of the Committee on the Peaceful Uses of Outer Space (Vienna, Austria 2011).
-
Wickert, J. (2011): The Contribution of GFZ to GfG2. Kick-off meeting GfG2 EU Project (Barcelona 2011).
-
Wickert, J.; Arras, C.; Bartsch, M.; Beyerle, G.; Bender, M.; Deng, Z.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Michalak, G.; Ramatschi, M.; Schmidt, T.; Semmling, M. (2011): GPS remote sensing: Recent results from GFZ. 25th IUGG General Assembly (Melbourne 2011).
-
Wickert, J.; Arras, C.; Beyerle, G.; Bender, M.; Dick, G.; Ge, M.; Gendt, G.; Heise, S.; Schmidt, T.; Semmling, M.; Zus, F. (2011): GNSS based Earth Observation: Recent activities at GFZ. APSG Workshop on Space Geodesy and Its Applications for Geosciences and Space Exploitation (Melbourne, Australia 2011).
-
Wickert, J.; Arras, C.; Beyerle, G.; Falck, C.; Flechtner, F.; Förste, C.; Grunwaldt, L.; Faber [Haser], A.; Heise, S.; Jakowski, N.; Köhler, W.; König, R.; Lühr, H.; Massmann, F.-H.; Meehan, T.; Michalak, G.; Reigber, C.; Schmidt, T.; Zus, F. (2011): In Memoriam CHAMP: The pathfinder for operational GPS radio occultation. 5th FORMOSAT-3 / COSMIC Data Users Workshop & ICGPSRO 2011 (Taipei, Taiwan 2011).
-
Wickert, J.; Arras, C.; Beyerle, G.; Ge, M.; Flechtner, F.; Healy, S. B.; Heise, S.; Huan, C. Y.; Kuo, B.; Marquardt, C.; Michalak, G.; Jakowski, N.; Schmidt, T.; Semmling, M. (2011): Radio occultation with navigation satellites: Recent results and prospects with Galileo. 3rd Galileo Science Colloquium (Copenhagen 2011).
-
Wickert, J.; Beyerle, G.; Arras, C.; Falck, C.; Faber [Haser], A.; Heise, S.; Grunwaldt, L.; Koehler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Ramatschi, M.; Schmidt, T.; Zus, F. (2011): Global atmosphere sounding with TerraSAR-X GPS radio occultation: Status and recent results, Poster. 4th TerraSAR-X Science Team Meeting (Oberpfaffenhofen 2011).
-
Zus, F.; Beyerle, G.; Heise, S.; Schmidt, T.; Wickert, J. (2011): Validation of refractivity profiles derived from METOP and TerraSAR-X open-loop data. 5th FORMOSAT-3 / COSMIC Data Users Workshop and International Conference on GPS Radio Occultation (ICGPSRO) (Taipei, Taiwan 2011).
-
Arras, C.; Beyerle, G.; Faber [Haser], A.; Heise, S.; Michalak, G.; Schmidt, T.; Semmling, M.; Stosius, R.; Wickert, J.; Zus, F. (2010): Radio occultation at GFZ: Recent activities. GRAS-SAG Meeting, EUMETSAT (Darmstadt 2010).
-
Arras, C.; Jacobi, C.; Wickert, J. (2010): Longitudinal distribution of sporadic E layers obtained from COSMIC GPS radio occultation measurements in the equatorial region. SCOSTEP Symposium STP12 (Berlin 2010).
-
Chen, J.; Ge, M.; Dousa, J.; Gendt, G.; Ramatschi, M.; Wickert, J.; Falck, C.; Bartsch, M.; Merx, A. (2010): Evaluating and improving GNSS real-time positioning using IGS-RTPP products for tsunami early warning system. IGS Workshop and Vertical Rates Symposium (Newcastle, England 2010).
-
Ge, M.; Chen, J.; Dousa, J.; Gendt, G.; Wickert, J. (2010): A new approach for estimating satellite clocks from large GNSS reference networks in real-time. IGS Workshop and Vertical Rates Symposium (Newcastle, England 2010).
-
Heise, S.; Arras, C.; Beyerle, G.; Falck, C.; Faber [Haser], A.; Köhler, W.; Michalak, G.; Schmidt, T.; Wickert, J.; Zus, F. (2010): GPS radio occultation at GFZ: Status and recent results from GRACE. GRACE Science Team Meeting (Potsdam 2010).
-
Nafisi, V.; Wijaya, D.; Böhm, J.; Schuh, H.; Hobiger, T.; Ichikawa, R.; Urquhart, L.; Santos, M. C.; Nievinski, F. G; Zus, F.; Wickert, J.; Gegout, P.; Ardalan, A. A. (2010): Benchmarking ray-traced tropospheric delays. AGU 2010 Fall Meeting (San Francisco 2010).
-
Scheinert, M.; Schwabe, J.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Wickert, J.; Stosius, R.; Beyerle, G.; Semmling, M.; Heyde, I.; Meyer, U.; Blindow, N.; Markgraf, M.; Rivas, R.; Jenett, M.; Geiger, A. (2010): Geoscientific Research with the New German High Altitude and Long Range Research Aircraft (HALO). 2nd International Symposium of the International Gravity Field Service - IGFS (Fairbanks, Alaska 2010).
-
Schmidt, T.; Wickert, J.; Faber [Haser], A.; Heise, S. (2010): Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation bending angles and temperatures. General Assembly European Geosciences Union (Vienna, Austria 2010).
-
Semmling, M.; Beyerle, G.; Stosius, R.; Wickert, J.; Fabra, F.; Cardellach, E.; Rib´o, S.; Rius, A.; Helm, A.; Yudanov, S.; d’Addio, S. (2010): Reflected GPS L1/L2 observations used for Sea Ice remote sensing and altimetry. AGU 2010 Fall Meeting (San Francisco, USA 2010).
-
Steiner, A. K.; Ho, S.-P.; Hunt, D.; Kirchengast, G.; Mannucci, A. J.; Scherllin-Pirscher, B.; Gleisner, H.; von Engeln, A.; Schmidt, T.; Ao, C.; Leroy, S. S.; Foelsche, U.; Kuo, Y.-H.; Kursinski, E. R.; Lauritsen, K. B.; Syndergaard, S.; Marquardt, C.; Rocken, C.; Schreiner, W.; Sokolovskiy, S.; Wickert, J. (2010): Structural Uncertainty of the CHAMP Climate Record from Different Data Centers. OPAC 2010 - Joint OPAC-4 & GRAS SAF Climate Workshop (Graz 2010).
-
Stosius, R.; Beyerle, G.; Semmling, M.; Helm, A.; Hoechner, A.; Wickert, J.; Lauterjung, J. (2010): Tsunami detection from space using GNSS reflections: results and activities from GFZ. Proceedings, 30th anniversary IGARSS - IEEE International Geoscience and Remote Sensing Symposium (Honolulu, HI, USA 2010), 3047-3050.
-
Thomas, M.; Wickert, J.; Schöne, T. (2010): GPS contributions to understanding global climate change. IGS Workshop and Vertical Rates Symposium (Newcastle, England 2010).
-
Wickert, J.; Arras, C.; Beyerle, G.; Faber [Haser], A.; Heise, S.; Michalak, G.; Schmidt, T.; Semmling, M.; Stosius, R.; Zus, F. (2010): GPS remote sensing: Recent results from GFZ. International Beacon Satellite Symposium (Barcelona 2010).
-
Wickert, J.; Arras, C.; Beyerle, G.; Grunwaldt, L.; Faber [Haser], A.; Heise, S.; Michalak, G.; Schmidt, T.; Semmling, M.; Stosius, R.; Zus, F. (2010): GNSS radio occultation at GFZ: Recent results and activities. OPAC 2010 - Joint OPAC-4 & GRAS SAF Climate Workshop (Graz 2010).
-
Bauer, H.-S.; Wulfmeyer, V.; Schwitalla, Th.; Dick, G.; Bender, M.; Wickert, J.; Gendt, G.; Deng, Z.; Wergen, W.; Stephan, K.; Helmert, K.; Eichler, K.; Dorninger, M.; Steinacker, R.; Gorgas, T.; Arpagaus, M.; Weusthoff, T.; Kottmeier, Ch.; Blahak, U.; Wunram, C. (2009): Update of recent activities in the DFG projects COPS-GRID and D-PHASE Verification. Joint 8th COPS Workshop and CSIP Meeting 2009 (Cambridge, UK 2009).
-
Beyerle, G.; Grunwaldt, L.; Heise, S.; Köhler, W.; Schmidt, T.; Choi, K.-R.; Michalak, G.; König, R.; Rothacher, M.; Wickert, J. (2009): First results from the GPS atmospheric remote sensing experiment TOR aboard TerraSAR-X. General Assembly European Geosciences Union (Vienna, Austria 2009).
-
Chen, J.; Bender, M.; Beyerle, G.; Dick, G.; Falck, C.; Ge, M.; Gendt, G.; Heise, S.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Wickert, J. (2009): GNSS Activities for Natural Disaster Monitoring and Climate Change Detection at GFZ. 2nd Conference on Earth Observation for Global Changes (EOGC2009) (Chengdu, China 2009).
-
Heise, S.; Beyerle, G.; Grunwaldt, L.; Köhler, W.; Schmidt, T.; Choi, K.-R.; Michalak, G.; König, R.; Rothacher, M.; Wickert, J. (2009): First results from the GPS atmospheric remote sensing experiment TOR aboard TerraSAR-X. 24th Meeting of the ESA/EUMETSAT GNSS Receiver for Atmospheric Sounding Science Advisory Group (GRAS-SAG) (Darmstadt, Germany 2009).
-
Ho, S. P.; Kirchengast, G.; Leroy, S.; Wickert, J.; Mannucci, T.; Steiner, A.; Kuo, Y.-H.; Rocken, C.; Hunt, D.; Schreiner, W.; Sokolovskiy, S. (2009): Estimating the Uncertainty of using GPS Radio Occultation Data for Climate Monitoring: Inter-comparison of CHAMP Refractivity Climate Records 2002-2006 from Different Data Centers. 13th Conference on Integrated Observing and Assimilation Systems for Atmosphere, Oceans, and Land Surface (IOAS-AOLS) ( Arizona 2009).
-
Ho, S.-P.; Kirchengast, G.; Leroy, S.; Wickert, J.; Mannucci, A. J.; Steiner, A.; Kuo, Y.-H.; Rocken, C.; Hunt, D.; Schreiner, W. (2009): Quantitative Estimation of the Reproducibility of GPS RO Data for Climate monitoring: Inter-comparison of CHAMP Refractivity Climate Records 2002-2006 from Different Data Centers. General Assembly European Geosciences Union (Vienna, Austria 2009).
-
Scheinert, M.; Schabe, J.; Dietrich, R.; Barthelmes, F.; Förste, C.; Petrovic, S.; Pflug, H.; Lesur, V.; Gebler, A.; Geiger, A.; Wickert, J.; Stosius, R.; Beyerle, G.; Semmling, M.; Heyde, I.; Meyer, U.; Blindow, N.; Markgraf, M.; Rivas, R.; Jenett, M. (2009): Geoscientific Research with the New German 'High Altitude and Long Range Research Aircraft' (HALO). International Workshop Aerogravimetry: Technology and Applications (Dresden 2009).
-
Schmidt, T.; de la Torre, A.; Heise, S.; Wickert, J. (2009): A global analysis of gravity wave activity in the upper troposphere and lower stratosphere region derived from GPS radio occultation data. IAMAS/IAPSO/IACS 2009 Joint Assembly (Montreal, Canada 2009).
-
Schmidt, T.; Heise, S.; Wickert, J. (2009): Trends in the global tropopause estimated from CHAMP GPS radio occultation data. IAMAS/IAPSO/IACS 2009 Joint Assembly (Montreal, Canada, 2009).
-
Schmidt, T.; Wickert, J.; Faber [Haser], A.; de la Torre, A.; Alexander, P.; Heise, S.; Beyerle, G. (2009): Observing the upper troposphere and lower stratosphere with GPS radio occultation data: Results from CHAMP, GRACE, TerraSAR-X, and FORMOSAT-3/COSMIC. 4th FORMOSAT-3/COSMIC Data Users Workshop ( Boulder, USA 2009).
-
Stosius, R.; Beyerle, G.; Hoechner, A.; Wickert, J.; Lauterjung, J. (2009): Simulation Study on Tsunami Detection from Space Using GNSS-Reflectometry Including GALILEO. 2nd International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, COSPAR Colloquium (Padua, Italy 2009).
-
Thomas, M.; Sasgen, I.; Dobslaw, H.; Wickert, J. (2009): Erdsystemmodellierung - Von geodätischen Beobachtungsdaten zum Prozessverständnis. Klima im System Erde - Klimawandel - Antworten und Fragen aus den Geowissenschaften : Zusammenfassung der Konferenzbeiträge dbb forum berlin, Konferenz 2009 'Klima im System Erde' (Berlin 2009), 71.
-
Wickert, J. (2009): GPS Radio Occultation: Introduction, Results from CHAMP and Recent Developments. Spring Meeting Meteorological Society of Japan (Tsukuba 2009).
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Chen, J.; Dick, G.; Ge, M.; Heise, S.; Helm, A.; Rothacher, M.; Ramatschi, M.; Schmidt, T.; Stosius, R. (2009): GNSS atmosphere sounding at GFZ : Overview and recent results. International Technical Meeting on GNSS ( (ITM-GNSS) (Beijing 2009).
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Deng, Z.; Dick, G.; Gendt, G.; Heise, S.; Michalak, G.; Ramatschi, M. (2009): Ground and space based GPS atmosphere sounding: recent results from GFZ. IAG 2009 Scientific Assembly 'Geodesy for Planet Earth' (Buenos Aires, Argentina 2009).
-
Wickert, J.; Arras, C.; Brieß, K.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Helm, A.; Herfort, M.; Heise, S.; Köhler, W.; Massmann, F. H.; Michalak, G.; Schmidt, T.; Stosius, R. (2009): GPS radio occultation at GFZ: Recent activities and plans. International Workshop GPS Radio Occultation, NASA/JPL (Pasadena 2009).
-
Arras, C.; Wickert, J.; Jacobi, C.; Heise, S.; Beyerle, G.; Schmidt, T.; Rothacher, M. (2008): Sporadic E layer climatology derived from CHAMP, GRACE and COSMIC radio occultations – initial results from GFZ Potsdam. 12th International Symposium on Equatorial Aeronomy - ISEA (Heraklion, Crete, Greece 2008).
-
Flechtner, F.; Wickert, J.; Schmidt, T.; Meyer, U. (2008): Influence of assimilated radio occultation data on ECMWF-forced short-term non-tidal atmospheric mass variations. 4th Asian Space Conference & FORMOSAT-3/COSMIC International Workshop (Taipei, Taiwan 2008).
-
Grzeschik, M.; Zus, F.; Bauer, S.; Wulfmeyer, V.; Wickert, J.; Dick, G.; Gendt, G.; Bender, M.; Offiler, D. (2008): Assimilation of ground-based GPS observations into the MM5 4D-Var system. General Assembly European Geosciences Union (Vienna, Austria 2008).
-
Gubenko, V. N.; Pavelyev, A. G.; Andreev, V. E.; Liou, Y. A.; Wickert, J. (2008): Derivation of the intrinsic frequency and other internal gravity wave parameters from a single vertical temperature profile: applications to the radio occultation temperature data obtained from GPS/FORMOSAT-3 and CHAMP missions. 37th COSPAR Scientific Assembly (Montreal 2008).
-
Helm, A.; Beyerle, G.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Nitschke, M.; Gruber, T.; Hess, M. P.; Wickert, J.; Rothacher, M. (2008): GNSS Reflectometry at GFZ. Workshop on 'ACES and Future GNSS-based Earth Observation and Navigation' (München 2008).
-
Helm, A.; Stosius, R.; Montenbruck, O.; Yudanov, S.; Renaudie, C.; Bender, M.; Dick, G.; Beyerle, G.; Wickert, J.; Rothacher, M. (2008): GNSS-R carrier phase altimetry with GPS L2C signals and status of the GORS and GORS follow-on space receiver prototypes. GNSS-R’08 Workshop on GNSS Reflectometry (Noordwijk 2008).
-
Poli, P.; Beyerle, G.; Schmidt, T.; Wickert, J. (2008): Assimilation of GPS radio occulation measurements at Météo-France. ECMWF/GRAS SAF joint workshop on 'The assimilation of GPS radio-occultation (GPS RO) measurements', ECMWF (Reading, UK 2008).
-
Svehla, D.; Rothacher, M.; Salomon, C.; Beyerle, G.; Wickert, J.; Helm, A.; Ziebart, M.; Dow, J.; Cacciapuoti, L. (2008): Galileo on board International Space Station and combination with the ACES Mission. 22nd European Frequency and Time Forum (Toulouse, France 2008).
-
Svehla, D.; Rothacher, M.; Salomon, C.; Beyerle, G.; Wickert, J.; Helm, A.; Ziebart, M.; Dow, J.; Cacciapuoti, L.; Börner, T.; Montenbruck, O.; Rivas, R.; Rius, A.; Cardellach, E.; Gruber, T. (2008): GALILEO on board the International Space Station, the last 5 years. GNSS-R’08 Workshop on GNSS Reflectometry (Noordwijk 2008).
-
Wickert, J. (2008): GPS Atmosphere Sounding at GFZ: Overview and recent results. 2. Jahreskongress Nutzung des Weltraums (Berlin 2008).
-
Wickert, J. (2008): Remote sensing of the Earth‘s atmosphere with navigation satellites: Introduction. International School and Lecture Series on Atmospheric-Ionospheric, Remote Sounding and Modelling ISAR-NCU 2008 (Chung-Li, Taiwan 2008).
-
Wickert, J. (2008): Space and ground-based atmosphere sounding and modelling - Part 1, Part 2. 2008 International School on Atmospheric-ionospheric Remote sounding and modeling at National Central University (ISAR - NCU) (Chung Li, Taiwan 2008).
-
Wickert, J.; Arras, C.; Ao, C. O.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Healy, S. B.; Heise, S.; Helm, A.; Huang, C. Y.; Jakowski, N.; König, R.; Mannucci, T.; Mayer, C.; Michalak, G.; Rothacher, M.; Schmidt, T.; Stosius, R.; Tapley, B. (2008): Tapley CHAMP, GRACE, SAC-C, TerraSAR-X/Tandem-X, Science results, status and future prospects. ECMWF/GRAS SAF joint workshop on 'The assimilation of GPS radio-occultation (GPS RO) measurements', ECMWF (Reading, UK 2008).
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): Water vapor measurements using GPS: Recent activities at GFZ Potsdam. International PGGM-IAGOS Workshop (Taipeh 2008).
-
Wickert, J.; Arras, C.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GPS Atmosphere Sounding at GFZ: Overview and comparison of CHAMP data with MOZAIC. International PGGM-IAGOS Workshop (Taipeh 2008).
-
Wickert, J.; Arras, C.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Helm, A.; Heise, S.; Köhler, W.; König, R.; Michalak, G.; Ramatschi, M.; Rothacher, M.; Schmidt, T.; Stosius, R. (2008): GPS radio occultation: Recent results from GFZ. 4th Asian Space Conference (Taipeh 2008).
-
Wickert, J.; Arras, C.; Beyerle, G.; Falck, C.; Grunwaldt, L.; Helm, A.; Heise, S.; Köhler, W.; König, R.; Michalak, G.; Ramatschi, M; Rothacher, M.; Schmidt, T.; Stosius, R. (2008): GPS radio occultation: Recent activities at GFZ. 4th Asian Space Conference & FORMOSAT-3/COSMIC International Workshop (Taipei, Taiwan 2008).
-
Wickert, J.; Beyerle, G.; Arras, C.; Choi, K. R.; Falck, C.; Heise, S.; Grunwaldt, L.; Köhler, W.; Massmann, F. H.; Michalak, G.; Ramatschi, M.; Rothacher, M.; Schmidt, T.; Tapley, B. (2008): GPS radio occultation with TerraSAR-X: Introduction, status and initial results. 3rd TerraSAR-X Science Team Meeting (München 2008).
-
Wickert, J.; Beyerle, G.; Arras, C.; Choij, K.R.; Falck, C.; Heise, S.; Grunwaldt, L.; Köhler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Ramatschi, M.; Rothacher, M.; Tapley, B. (2008): GPS radio occultation with TerraSAR-X: Introduction, status and initial results. 2nd TerraSAR-X Science Meeting (Oberpfaffenhofen 2008).
-
Wulfmeyer, V.; Bauer, H.- S.; Gendt, G.; Wickert, J.; Wergen, W. (2008): High-Resolution Reanalyses and Impact Studies for Improving Process Understanding and Precipitation Forecast Skill based on the COPS Data Set (COPS-GRID). SPP 1167 'Quantitative Niederschlagsvorhersage' - Kickoff Meeting zur Phase III (Bonn 2008).
-
de la Torre, A.; Schmidt, T.; Wickert, J. (2007): A long period (2001-2007) wave activity global analysis in the troposphere-stratosphere system, from GPS RO CHAMP temperature data. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
-
Helm, A.; Wickert, J.; Beyerle, G.; Schmidt, T.; Heise, S.; Stosius, R.; Sobolev, S. V.; Babeyko, A. Y.; Rothacher, M.; Yudanov, S.; Ashjaee, J.; Chen, R.; Rocken, C. (2007): New GNSS Remote Sensing Opportunities with ACES. ACES IWG Meeting (Paris 2007).
-
Wickert, J.; Beyerle, G.; Cheng, F. Z.; Healy, S.; Heise, S.; Michalak, G.; Rocken, C.; Rothacher, M.; Schmidt, T.; Viehweg, C.; Tapley, B. (2007): Global atmospheric sounding using GPS radio occultation: Recent results from CHAMP, GRACE and COSMIC/FORMOSAT-3 (solicited). General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
-
Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Falck, C.; Galas, R.; Heise, S.; Healy, S.; Viehweg, C.; Flechtner, F.; Grunwaldt, L.; Köhler, W.; König, R.; Massmann, F.-H.; Offiler, D.; Rhodin, A.; Reigber, C.; Rothacher, M.; Tapley, B. (2007): GPS radio occultation: Operational sounding of the atmosphere with GRACE. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
-
Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Falck, C.; Heise, S.; Viehweg, C.; Flechtner, F.; Grunwaldt, L.; Köhler, W.; König, R.; Massmann, F.-H.; Pingel, D.; Rothacher, M.; Tapley, B. (2007): GPS radio occultation with GRACE: Recent results from GFZ. Joint International GSTM and DFG SPP Symposium (Potsdam 2007).
-
de la Torre, A.; Schmidt, T.; Wickert, J. (2006): A Global Analysis of Wave Potential Energy in the Lower and Middle Atmosphere, from GPS Radio Occultation Long Term Data. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
-
Ern, M.; Krebsbach, M.; Preusse, P.; Fröhlich, K.; Hoffmann, P.; Jacobi, C.; Schmidt, T.; Wickert, J. (2006): GW-CODE: Gravity wave coupling processes and their decadal variation. Abstracts / 4th Workshop on Long-Term Changes and Trends in the Atmosphere, 4th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere (Sodankylä, Finland 2006), 32.
-
Foelsche, U.; Borsche, M.; Gobiet, A.; Steiner, A. K.; Lackner, B. C.; Pirscher, B.; Kirchengast, G.; Wickert, J.; Schmidt, T. (2006): Global climatologies based on RO data from CHAMP and FORMOSAT-3/COSMIC. First Formosat-3/COSMIC Data Users Workshop (Boulder, Colorado U.S.A 2006).
-
Foelsche, U.; Borsche, M.; Gobiet, A.; Steiner, A. K.; Lackner, B.; Pirscher, B.; Wickert, J.; Schmidt, T.; Kirchengast, G. (2006): Climatologies of the global atmosphere based on radio occultation data from CHAMP. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
-
Michalak, G.; Wickert, J.; König, R.; Rothacher, M. (2006): Precise satellite orbit determination for GPS radio occultation in near-realtime. GEOTECHNOLOGIEN Statusseminar 'Observation the system Earth from Space' (Bonn 2006).
-
Schmidt, T.; Beyerle, G.; Heise, S.; Wickert, J.; Rothacher, M. (2006): Global climatologies of multiple tropopauses and gravity wave activity in the lower stratosphere with a five year GPS radio occultation data set from CHAMP. COST 723 Final Workshop (Sofia, Bulgaria 2006).
-
Song, S. L.; Wickert, J. (2006): GPS radio occultation with CHAMP: Derivation and validation of atmospheric excess phase data. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
-
Wickert, J.; Beyerle, G.; Cheng, F.; Healy, S. B.; Heise, S.; Huang, C. Y.; Michalak, G.; Offiler, D.; Rothacher, M.; Schmidt, T.; Viehweg, Ch.; Tapley, B. (2006): GPS radio occultation: News from CHAMP and GRACE, initial results from COSMIC/Formosat-3 data analysis. AGU 2006 Fall Meeting (San Francisco, USA 2006).
-
Wickert, J.; Beyerle, G.; Falck, C.; Flechtner, F.; Galas, R.; Grunwaldt, L.; Healy, S.; Heise, S.; Köhler, W.; König, R.; Massmann, F.-H.; Michalak, G.; Offiler, D.; Rhodin, A.; Rothacher, M.; Schmidt, T.; Wergen, W. (2006): Global atmospheric data from CHAMP and GRACE in near-real time. GEOTECHNOLOGIEN Statusseminar 'Observation the system Earth from Space' (Bonn 2006).
-
Wickert, J.; Beyerle, G.; Heise, S.; Schmidt, T.; Michalak, G.; König, R.; Jakowski, N.; Rothacher, M.; Typley, B. (2006): GPS radio occultation with CHAMP and GRACE: Overview, recent results and outlook to Metop. First EPS/MetOp RAO Workshop (Frascati, Italy 2006).
-
Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Heise, S.; Viehweg, C.; Cheng, C. Z.; Flechtner, F.; Grunwaldt, L.; Healy, S.; König, R.; Massmann, F.-H.; Offiler, D.; Rhodin, A.; Reigber, C.; Rothacher, M.; Tapley, B. (2006): Global atmospheric data from GRACE: First results and status. GRACE Science Team Meeting (San Francisco, USA 2006).
-
Wickert, J.; Michalak, G.; Schmidt, T.; Beyerle, G.; Heise, S.; Viehweg, Ch.; Aparicio, J.; Cheng, C. Z.; Healy, S. B.; Huang, C. Y.; Ozawa, E.; Offiler, D.; Rothacher, M.; Tapley, B. (2006): GPS radio occultation: Overwiev on CHAMP and GRACE results. FORMASAT-3/COSMIC-Workshop (Taipei, Taiwan 2006).
-
Wickert, J.; Schmidt, T.; Michalak, G.; Healy, S. B.; Beyerle, G.; Falck, C.; Galas, R.; Heise, S.; Köhler, W.; Rothacher, M.; Offiler, D.; Wergen, W. (2006): GPS based atmospheric sounding with CHAMP: near real time provision of occultation data for numerical weather prediction. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
-
Wickert, J. (2006): GPS-based atmospheric sounding with CHAMP: Near real-time provision of occultation data for numerical weather prediction. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
-
Engeln, A. von; Teixeira, J.; Wickert, J. (2005): The Impact of thin water vapor layers on radio occultation data. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
-
Foelsche, U.; Gobiet, A.; Steiner, A. K.; Kirchengast, G.; Borsche, M.; Pirscher, B.; Lackner, B.; Schmidt, T.; Wickert, J. (2005): Towards Benchmark Climatologies of the Global Atmosphere with Radio Occultation Data from CHAMP. AGU 2005 Fall Meeting (San Francisco, USA 2005).
-
Pavelyev, A. G.; Liou, Y. A.; Wickert, J.; Gubenko, V. N. (2005): Characteristics of the internal gravity waves in the middle atmosphere obtained from analysis of the GPS occultation data. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
-
Preusse, P.; Wickert, J.; Ern, M.; Jacobi, C. (2005): SABER and GPS, the prospective of continuous global gravity wave data from solar max to solar min. 69. Jahrestagung der Deutschen Physikalischen Gesellschaft (DPG) (Berlin 2005).
-
Schmidt, T.; Beyerle, G.; Wickert, J. (2005): Global temperature monitoring of the upper troposphere and lower stratosphere region with GPS radio occultations. IAMAS (Beijing, China 2005).
-
Vespe, F.; Wickert, J.; Heise, S.; Persia, T.; Pacione, R. (2005): Validation of the BPV (n,á) method for the retrieval of Atmosphere Refractivity and Water Vapour Content by Radio Occultation Data. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).
-
Wickert, J.; Beyerle, G.; Schmidt, T.; Heise, S.; Jakowski, N.; König, R.; Rothacher, M.; Healy, S. B.; Offiler, D.; Wergen, W. (2005): GPS based atmospheric sounding with CHAMP: Recent GFZ activities and results. Second GPS RO Data Users Workshop (Lansdowne, Virginia 2005).
-
Wickert, J.; Schmidt, T.; Beyerle, G.; Heise, S.; Flechtner, F.; Galas, R.; Grunwaldt, L.; König, R.; Massmann, F.-H.; Meehan, T.; Reigber, C.; Rothacher, M.; Tapley, B. (2005): GPS radio occultation with CHAMP and GRACE: Preliminary results. GRACE Science Team Meeting ( Austin, Texas 2005).
-
Notarpietro, R.; Perona, G.; Garbella, M.; Wickert, J. (2004): The GPS limb sounding technique for the remote sensing of atmospheric refractivity profile and the new Italian Space Agency GPS ROSA receiver. 3rd Workshop AIT on microwave remote sensing: research activities and applications (Napoli, Italy 2004).
-
Petitta, M.; Wickert, J.; Bizzarri, B.; Bordi, I.; Sutera, A. (2004): Analysis of large scale and mesoscale variability of midlatitude tropopause using GPS radio occultation data and NCEP reanalysis. 2nd International Workshop on Occultations for Probing Atmosphere and Climate (OPAC-2) (Graz 2004).
-
Vespe, F.; Wickert, J. (2004): Application and evaluation of new refractivity and humidity retrieval techniques on the improved refractivity profiles from CHAMP GPS radio occultations. 1st General Assembly European Geosciences Union (Nice, France 2004).
-
Wang, D.Y.; Wickert, J. (2004): Cross-Validation of MIPAS/ENVISAT and GPS-RO/CHAMP Temperatures. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
-
Wickert, J. (2004): GNSS Radio occultation: Introduction and selected results. 2nd International Workshop on Occultations for Probing Atmosphere and Climate (OPAC-2) (Graz 2004).
-
Wickert, J. (2004): GPS RO missions: Overview and Results from CHAMP, GPS/MET and SAC-C. Summer Colloquium on Atmospheric Remote Sensing Using the Global Positioning System (Boulder, Colorado 2004).
-
Wickert, J.; Gendt, G.; Reigber, C.; Beyerle, G.; Dick, G.; Heise, S.; Jacobi, C.; Ramatschi, M.; Rhodin, A.; Schmidt, T.; Tomassini, M.; Wergen, W. (2004): Boden- und satellitengestützte GPS-Meteorologie in Deutschland: Ergebnisse und Ausblick. DACH Meteorologentagung (Karlsruhe 2004).
-
Wickert, J.; Schmidt, T.; Beyerle, G.; Jakowski, N.; Heise, S.; Reigber, C.; König, R. (2004): GPS based atmosphere sounding with CHAMP: Overview, results and future prospects. 7th Latin-American Conference on Space Geophysics (Atibaia, São Paulo, Brazil).
-
Wickert, J.; Schmidt, T.; Beyerle, G.; Reigber, C.; Grunwaldt, L.; König, R.; Galas, R.; Heise, S.; Ramatschi, M. (2004): Three years of space based atmosphere sounding with CHAMP: Results, highlights and future prospects. Joint CHAMP/GRACE Science Meeting (Potsdam 2004).
-
Pavelyev, A. G.; Wickert, J.; Liou, Y. A. (2003): Diffractive Vector and Scalar Integrals for Bistatic Radio-holographic Remote Sensing Using GPS Signals. Proceedings, Symposium on 'Atmospheric Remote Sensing using Satellite Navigation Systems', URSI Joint Working Group FG (Matera, Italy 2003), 85-91.
-
Peng, G.; Hecht, J. H.; Walterscheid, R. L.; Wickert, J. (2003): Observation of Polar Sudden Stratospheric Warming Events using GPS Radio Occultation Technique. 23rd General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Sapporo, Japan 2003).
-
Reigber, C.; Gendt, G.; Wickert, J.; Beyerle, G.; Dick, G.; Galas, R.; König, R.; Ramatschi, M.; Schmidt, T.; Tomassini, M. (2003): Demonstration of GPS atmospheric monitoring from ground and space within the german GASP project. 23rd General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Sapporo, Japan 2003).
-
Wickert, J.; Ao, C. O.; Schreiner, W. B.; Schmidt, T.; Beyerle, G.; König, R.; Reigber, C.; Hajj, G. A.; Iijima, B. A.; Hunt, D.; Sokolovskiy, S.; Rockern, C. (2003): GPS radio occultation with CHAMP: First comparisons of occultation, Data analysis results from GFZ, JPL and UCAR. EGS-AGU-EUG Joint Assembly (Nice 2003).
-
Wickert, J.; Gendt, G.; Reigber, C. (2003): GPS Radiooccultation with CHAMP and possible synergies between ground and space based Meteorology. COST 716, Final Workshop (de Bilt 2003).
-
Wickert, J.; Schmidt, T.; Beyerle, G.; König, R.; Reigber, C. (2003): GPS radio occultation with CHAMP: Status, results and future prospects of the operational data analysis. URSI F/G Special Symposium on Atmospheric Remote Sensing using Satellite Navigation Systems (Matera, Italy 2003).
-
Ge, S. J.; Shum, C. K.; Wickert, J. (2002): Contributions of GPS occultations to Antarctica ice sheet mass balance studies. 1st International Workshop on Occultations for Probing Atmosphere and Climate (Graz 2002).
-
Marquardt, C.; Schöllhammer, K.; Schrödter, M.; Tomassini, M.; Beyerle, G.; Schmidt, T.; Wickert, J.; König, R.; Grunwaldt, L.; Reigber, C. (2002): Validation of 1 year of CHAMP radio occultation data. 27th General Assembly European Geophysical Society (EGS) (Nice 2002).
-
Beyerle, G.; Wickert, J.; Schmidt, T.; Marquardt, C.; Reigber, C. (2001): Observations of temperature and water vapour profiles by GPS radio occultation: activities at GeoForschungsZentrum Potsdam. International Workshop on Wind and Temperature Measurement by Radio and Optical Remote Sensing & The 3rd US/Japan Meeting on Mesopause Gravity Waves and Sprite Studies (Kyoto, Japan 2001).
-
Igarashi, K.; Armand, N. A.; Pavelyev, A. G.; Reigber, C.; Wickert, J.; Hocke, K.; Beyerle, G.; Matyugov, S. S.; Yakovlev, O. I. (2001): Application of small satellites for high precision measuring effects of radio waver propagation. 3rd IAA Symposium on Small Satellites for Earth Observation (Berlin 2001), 43-48.
-
Shum, C. K.; Brzezinska, D.; Ge, S. J.; Hazelton, B.; Yi, Y.; Zhao, C.; Bevis, M.; Hocke, K.; Wickert, J.; Jeffress, G.; Martin, D.; Szabados, M. (2001): The use of GPS for measuring water vapor and sea level. Fifth Symposium on Integrated Observing Systems (Albuquerque, New Mexico 2001).
-
Wickert, J.; Reigber, C.; Beyerle, G.; König, R.; Marquardt, C.; Schmidt, T.; Meehan, T.; Grunwaldt, L.; Galas, R. (2001): Initial Results of CHAMP Radio Occultation Experiment. AGU Spring Meeting, A31C-08.
-
Igarashi, K.; Pavelyev, A. G.; Wickert, J.; Hocke, K.; Pavelyev, D.; Kato, H. (2000): Application of Radio Holographic method to precision measurements of E- and D-Layer Electron Density Altitude Profiles and Possibility of Estimating wind velocity in the upper Atmosphere from Radio Occultation data. The First S-Ramp Conference (Sapporo, Japan 2000).
-
Wickert, J. (2000): Atmospheric Profiling with CHAMP. NOAA/NESDIS Workshop on GPS Radio Occultation (Washington 2000).
-
Wickert, J. (2000): Atmospheric Profiling with CHAMP. ESA/ESTEC Workshop Radio Occultation (Noordwijk 2000).
-
Wickert, J. (2000): Zum Einfluss der Ionosphäre auf GPS-Radiookkultationsmessungen. Proceedings, 1. Nationaler Workshop zum Weltraumwetter (Neustrelitz, 2000), 69-74.
-
Reigber, C.; Lühr, H.; Wickert, J.; Förste, C.; Grafarend, E.; Reubelt, T.; Jakowski, N.; Wilken, V. (2005): Datenbereitstellung und Datennutzung der CHAMP-Mission (DACH). Final Report, GFZ Potsdam, 1-54.
-
Reigber, C.; Gendt, G.; Wickert, J. (2004): GPS Atmosphären-Sondierungs-Projekt (GASP) : ein innovativer Ansatz zur Bestimmung von Atmosphärenparametern ; Abschlussbericht ; HGF-Strategiefonds-Projekt GASP - FKZ 01SF9922 des AWI, DLR, GFZ und GKSS. Scientific Technical Report STR 04/02, GeoForschungsZentrum Potsdam, 1-52.
-
Wickert, J. (2004): Comparison of vertical refractivity and temperature profiles from CHAMP with radiosonde measurements. Scientific Technical Report ; STR 04/19, GeoForschungsZentrum Potsdam, 35.
-
Wickert, J. (2002): Das CHAMP-Radiookkultationsexperiment : Algorithmen, Prozessierungssystem und erste Ergebnisse. Scientific Technical Report ; 02/07, Geoforschungszentrum, 145.
-
Wickert, J. (2011): Earth Observation with Navigation Satellites at GFZ: Results, Outlook and Vision.
-
Wickert, J. (2011): Erdbeobachtung mit Navigationssatelliten am GFZ : Ergebnisse, Ausblick und Vision.
-
Wickert, J. (2011): GPS/Galileo Earth Observation at GFZ: Recent activities and results.
-
Wickert, J. (2011): GPS/Galileo Earth Observation at GFZ: Recent activities and results.
-
Wickert, J. (2011): Prospects of GPS/Galileo Earth Observation.
-
Wickert, J. (2010): CHAMP: Wegbereiter der Atmosphärensondierung mit GPS.
-
Wickert, J. (2010): GNSS atmosphere sounding at GFZ: Recent activities and results.
-
Wickert, J. (2010): GNSS-Atmosphärensondierung am GFZ: Aktuelle Arbeiten und Ergebnisse.
-
Wickert, J. (2010): GPS/Galileo Earth Observation at GFZ: Recent activities and results.
-
Wickert, J. (2010): GPS/Galileo Earth Observation at GFZ: Recent activities and results.
-
Wickert, J. (2010): GPS/Galileo Earth Observation at GFZ: Recent activities and results.
-
Wickert, J. (2010): GPS/Galileo Earth Observation: Recent activities and results.
-
Wickert, J. (2010): GPS/Galileo Earth Observation: Recent activities and results.
-
Wickert, J. (2010): GPS/Galileo-Erdbeobachtung am GFZ: Aktuelle Arbeiten und Ergebnisse.
-
Wickert, J. (2010): Wegbereiter der Atmosphärensondierung mit GPS.
-
Wickert, J. (2010): Wissenschaftlicher Hintergrund und Ziele.
-
Wickert, J. (2009): Atmosphärenfernerkundung und Reflektometrie mit GPS.
-
Wickert, J. (2009): GNSS atmosphere sounding at GFZ : Overview and recent results.
-
Wickert, J. (2009): GNSS atmosphere sounding at GFZ : Overview and recent results.
-
Wickert, J. (2009): GNSS atmosphere sounding at GFZ : Overview and recent results.
-
Wickert, J. (2009): Ground and space based GPS atmosphere sounding: Recent results from GFZ.
-
Wickert, J. (2009): Ground and space based GPS atmosphere sounding: Recent results from GFZ.
-
Wickert, J. (2009): Ground and space based GPS atmosphere sounding: Recent results from GFZ.
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Chen, J.; Dick, G.; Ge, M.; Heise, S.; Helm, A.; Rothacher, M.; Ramatschi, M.; Schmidt, T.; Stosius, R. (2009): GNSS atmosphere sounding at GFZ: Overview and recent results.
-
Wickert, J. (2008): Atmosphärensondierung mit GPS: eine mögliche Zweitnutzung für ODL-Nutzertreffen.
-
Wickert, J. (2008): Fernerkundung der Erdatmosphäre mit Navigationssatelliten: Überblick und aktuelle Ergebnisse.
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Rothacher, M.; Schmidt, T.; Stosius, R. (2008): GNSS Atmosphere Sounding: Recent activities at GFZ Potsdam.
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GNSS Atmosphere Sounding: Recent activities at GFZ Potsdam.
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Ramatschi, M.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GPS Atmosphere Sounding at GFZ: Overview and recent activities.
-
Wickert, J.; Arras, C.; Bender, M.; Beyerle, G.; Dick, G.; Heise, S.; Helm, A.; Schmidt, T.; Stosius, R.; Rothacher, M. (2008): GNSS Atmosphere Sounding: Recent activities at GFZ Potsdam.
-
Wickert, J. (2007): Atmospheric remote sensing with navigation satellite.
-
Wickert, J. (2007): Atmosphärenfernerkundung mit Navigationssatelliten: Aktuelle Ergebnisse und Entwicklungen.
-
Wickert, J. (2007): Boden- und satellitengestützte GPS Atmosphärensondierung.
-
Wickert, J. (2007): GPS Radio Occultation: Activities at GFZ.
-
Wickert, J.; Bender, M.; Beyerle, G.; Dick, G.; Gendt, G.; Grunwaldt, L.; Heise, S.; Helm, A.; Michalak, G.; Rothacher, M.; Schmidt, T.; Stosius, R.; Viehweg, Ch. (2007): GNSS atmospheric sounding and reflectometry.
-
Wickert, J. (2006): GNSS based atmospheric remote sensing.
-
Wickert, J. (2006): GPS radio occultatiion with CHAMP, GRACE, COSMIC & Metop: Some recent information.
-
Wickert, J. (2006): GPS und GALILEO für die Geowissenschaften.
-
Wickert, J.; Beyerle, G.; Dick, G.; Gendt, G.; Heise, S.; Helm, A.; Michalak, G.; Rothacher, M.; Schmidt, T.; Stosius, R.; Viehweg, Ch. (2006): Atmospheric sounding and reflectometry with GNSS.
-
Wickert, J.; Beyerle, G.; Dick, G.; Gendt, G.; Heise, S.; Helm, A.; Michalak, G.; Schmidt, T.; Viehweg, C. (2006): GNSS basierte Fernerkundung: Visionen, Ideen und Fragen.
-
Helm, A.; Barthelmes, F.; Beyerle, G.; Bohm, M.; Kaban, M. K.; Magnussen, S.; Reigber, C.; Schwintzer, P.; Schmidt, R.; Schmidt, T.; Schöne, T.; Wickert, J. (2005): Wie hoch sind die Wellen? - Meeres- und Wellenhöhen aus reflektierten GPS-Signalen bestimmen. Kopernikus-Gymnasium.
-
Helm, A.; Barthelmes, F.; Beyerle, G.; Bohm, M.; Kaban, M. K.; Magnussen, S.; Reigber, C.; Schwintzer, P.; Schmidt, R.; Schmidt, T.; Schöne, T.; Wickert, J. (2005): Wie hoch sind die Wellen? Meer rausholen aus GPS.
-
Helm, A.; Beyerle, G.; Bohm, M.; Michajljow, W.; Reigber, C.; Schwintzer, P.; Schmidt, R.; Schmidt, T.; Schöne, T.; Wetzel, H.-U.; Wickert, J. (2005): Meer rausholen aus GPS. Deutsche Meteorologische Gesellschaft (DMG) ; Geoforschungszentrum Potsdam.
-
Wickert, J. (2005): Geoforschung mit den Satelliten CHAMP und GRACE.
-
Wickert, J. (2005): GPS atmospheric sounding with CHAMP: Introduction and science results.
-
Wickert, J. (2004): GPS based atmospheric sounding with CHAMP: Overview and results.
-
Wickert, J. (2003): Fernerkundung der Erdatmosphäre mit GPS-Navigationssatelliten.
-
Wickert, J. (2003): Fernerkundung der Erdatmosphäre mit Navigationssatelliten.
-
Wickert, J. (2003): Fernerkundung der Erdatmosphäre mit Navigationssatelliten.
-
Wickert, J. (2003): Mit dem Satelliten CHAMP auf der Spur von globalen Klimaänderungen: Eine neue Methode zur Fernerkundung der Erdatmosphäre mit Navigationssatelliten. Deutsche Meteorologische Gesellschaft (DMG), Geoforschungszentrum Potsdam (GFZ).
-
Wickert, J. (2003): Remote Sensing of the Earth's atmosphere using navigation satellites.
-
Wickert, J. (2002): Erdbeobachtung mit dem CHAMP-Satelliten.
-
Wickert, J. (2002): Erdbeobachtung mit dem Satelliten CHAMP.
-
Wickert, J. (2002): Erdbeobachtung mit den Satelliten CHAMP und GRACE.
-
Wickert, J. (2002): Erdbeobachtung mit den Satelliten CHAMP und GRACE.
-
Wickert, J. (2001): GPS Radio occultation with CHAMP, Status & Data Processing.
-
Wickert, J. (2001): GPS radio occultation with CHAMP: Initial results.
-
Wickert, J. (2001): GPS Radiookkultation mit CHAMP – Erste Ergebnisse.
-
Wickert, J. (2001): GPS Radiookkultation mit CHAMP – Erste Ergebnisse.
|
|
TOP