GFZ Potsdam - Publications

Publications

Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences

(Co) Author: Llamedo, P.

Paper (ISI journals)

2012

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.
| EDOC: 18840 | Abstract | 10.1029/2011JD016377 |

2011

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.
| EDOC: 17342 | 10.5194/amt-4-1777-2011 | PDF |

2010

Alexander, P.; Luna, D.; de la Torre, A.; Llamedo, P.; Schmidt, T.; Wickert, J. (2010): A comparative and numerical study of effects of gravity waves in small miss-distance and miss-time GPS radio occultation temperature profiles. Advances in Space Research, 45, 10, 1231-1234.
| EDOC: 16039 | 10.1016/j.asr.2009.12.015 |

de la Torre, A.; Llamedo, P.; Alexander, P.; Schmidt, T.; Wickert, J. (2010): Estimated Errors in a Global Gravity Wave Climatology from GPS Radio Occultation Temperature Profiles. Advances in Space Research, 46, 2, 174-179.
| EDOC: 15009 | 10.1016/j.asr.2010.02.033 |

2009

Llamedo, P.; de la Torre, A.; Alexander, P.; Luna, D.; Schmidt, T.; Wickert, J. (2009): A gravity wave analysis near to the Andes Range from GPS radio occultation data and mesoscale numerical simulations: Two case studies. Advances in Space Research, 44, 4, 494-500.
| EDOC: 14413 | 10.1016/j.asr.2009.04.023 |

2006

de la Torre, A.; Alexander, P.; Llamedo, P.; Menéndez, C.; Schmidt, T.; Wickert, J. (2006): Gravity waves above the Andes detected from GPS radio occultation temperature profiles: Jet mechanism?. Geophysical Research Letters, 33, L24810.
| EDOC: 9609 | 10.1029/2006GL027343 |

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Paper (further journals)

2013 online first

Faber, A.; Llamedo, P.; Schmidt, T.; de la Torre, A.; Wickert, J. (2013 online first): A new approach to global gravity wave momentum flux determination from GPS radio occultation data. Atmospheric Measurement Techniques Discussion, 6, 2, 2907-2933.
| EDOC: 20607 | 10.5194/amtd-6-2907-2013 |

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Chapter in Book

2009

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.
| EDOC: 13376 |

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.
| EDOC: 13818 |

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Conference Paper

2012

de la Torre, A.; Alexander, P.; Hierro, R.; Llamedo, P.; Rolla, A.; Schmidt, T.; Wickert, J. (2012): Vertical flux of horizontal momentum transported by large amplitude GWs above Southern Andes, the Drake Passage and the Antarctic Peninsula. 39th COSPAR Scientific Assembly (Mysore, India 2012).
| EDOC: 19194 |

de la Torre, A.; Alexander, P.; Llamedo, P.; Hierro, R.; Schmidt, T.; Wickert, J. (2012): Estimated vertical flux of horizontal momentum due to mountain waves from GPS radio occultation data above southern Andes and the Antarctic Peninsula. 7th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere (Buenos Aires, Argentina 2012).
| EDOC: 19204 |

Fabra, A.; Llamedo, P.; Schmidt, T.; de la Torre, A.; Wickert, J. (2012): Global Momentum Flux Determination from GPS Radio Occultation Data. 7th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere (Buenos Aires, Argentina 2012).
| EDOC: 19815 |

Llamedo, P.; Schmidt, T.; de la Torre, A.; Faber, A.; Hierro, R.; Alexander, P.; Wickert, J. (2012): Long term study of gravity waves properties using the Radio Occultation techniques. 7th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere (Buenos Aires, Argentina 2012).
| EDOC: 19205 |

Schmidt, T.; Faber, A.; de la Torre, A.; Llamedo, P.; Alexander, P.; Heise, S.; Wickert, J. (2012): The effect of different background separation methods on gravity wave parameters in the upper troposphere and lower stratosphere region derived from GPS radio occultation data. 39th COSPAR Scientific Assembly (Mysore, India 2012).
| EDOC: 19193 |

Schmidt, T.; Llamedo, P.; de la Torre, A.; Heise, S.; Zus, F.; Beyerle, G.; Faber, A.; Wickert, J. (2012): Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation temperatures. 7th IAGA/ICMA/CAWSES Workshop on Long-Term Changes and Trends in the Atmosphere (Buenos Aires, Argentina 2012).
| EDOC: 19833 |

2011

Llamedo, P.; de la Torre, A.; Alexander, P.; Hierro, R.; Schmidt, T.; Faber [Haser], A.; Wickert, J. (2011): Long-term global GW activity in lower and middle atmosphere from CHAMP, GRACE and COSMIC radio occultation data between 2001 and 2010. AGU Chapman Conference on Atmospheric Gravity Waves and Their Effects on General Circulation and Climate (Honolulu, Hawaii 2011).
| EDOC: 16969 |

2010

de la Torre, A.; Alexander, P.; Llamedo, P.; Hierro, R.; Rolla, A.; Schmidt, T.; Wickert, J. (2010): GW activity and horizontal propagation above Southern Andes, Drake Passage and Antarctic Peninsula UTLS with GPS radio occultations and mesoscale simulations. OPAC 2010 - Joint OPAC-4 & GRAS SAF Climate Workshop (Graz 2010).
| EDOC: 16064 |

de la Torre, A.; Alexander, P.; Llamedo, P.; Hierro, R.; Rolla, A.; Schmidt, T.; Wickert, J. (2010): Recent results on GW activity and propagation in Southern Andes and Antarctic Peninsula UTLS with GPS radio occultations. The AGU Meeting of the Americas (Foz do Iguacu, Brazil 2010).
| EDOC: 16058 |

de la Torre, A.; Alexander, P.; Llamedo, P.; Hierro, R.; Schmidt, T.; Wickert, J. (2010): Possible application of GPS RO refractivity to study wave amplitude enhancements at the tropopause region. 38th COSPAR Scientific Assembly (Bremen 2010).
| EDOC: 16045 |

de la Torre, A.; Alexander, P.; Llamedo, P.; Rolla, A.; Schmidt, T.; Wickert, J. (2010): Mountain Waves above the Southern Andes, Drake Passage and Antarctic Peninsula. 38th COSPAR Scientific Assembly (Bremen 2010).
| EDOC: 16046 |

2008

de la Torre, A.; Alexander, P.; Llamedo, P.; Luna, D.; Schmidt, T.; Wickert, J. (2008): A gravity wave analysis near to the Andes Range as detected from GPS radio occultation data and mesoscale numerical simulations. SPARC 4th General Assembly (Bologna 2008).
| EDOC: 13120 |

de la Torre, A.; Alexander, P.; Llamedo, P.; Luna, D.; Schmidt, T.; Wickert, J. (2008): A gravity wave analysis near to the Andes Range, as detected from GPS radio occultation data and mesoscale numerical simulation. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13119 |

Luna, D.; Alexander, P.; de la Torre, A.; Llamedo, P.; Schmidt, T.; Wickert, J. (2008): Comparisons of temperature profiles from nearby GPS radio occultations over a high wave activity region. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13118 |

Luna, D.; Alexander, P.; de la Torre, A.; Llamedo, P.; Schmidt, T.; Wickert, J. (2008): Seasonal analysis of gravity waves over the southern Andes and the Antarctic Peninsula by means of GPS radio occultations. SPARC 4th General Assembly (Bologna 2008).
| EDOC: 13121 |

Schmidt, T.; de la Torre, A.; Alexander, P.; Arras, C.; Beyerle, G.; Heise, S.; Llamedo, P.; Wickert, J.; Rothacher, M. (2008): A global analysis of gravity wave activity in the upper troposphere and lower stratosphere region derived from GPS radio occultation data. SPARC 4th General Assembly (Bologna 2008).
| EDOC: 13122 |

Schmidt, T.; de la Torre, A.; Alexander, P.; Arras, C.; Beyerle, G.; Heise, S.; Llamedo, P.; Wickert, J.; Rothacher, M. (2008): Trends in the global tropopause estimated from GPS radio occultation data. SPARC 4th General Assembly (Bologna 2008).
| EDOC: 13123 |

Schmidt, T.; de la Torre, A.; Alexander, P.; Beyerle, G.; Heise, S.; Llamedo, P.; Viehweg, C.; Wickert, J.; Rothacher, M. (2008): A global analysis of gravity wave activity in the upper troposphere and lower stratosphere region derived from GPS radio occultation data. 37th COSPAR Scientific Assembly (Montreal 2008).
| EDOC: 13116 |

2007

de la Torre, A.; Alexander, P.; Llamedo, P.; Menéndez, C.; Schmidt, T.; Wickert, J. (2007): Gravity wave analysis in Mendoza (Argentina), from GPS radio occultation data and MM5 simulations. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10192 |

de la Torre, A.; Schmidt, T.; Wickert, J.; Alexander, P.; Llamedo, P. (2007): Wave activity in the vicinity of the tropopause, calculated from GPS radio occultation a) temperature and b) potential temperature profiles. General Assembly European Geosciences Union (EGU) (Vienna, Austria 2007).
| EDOC: 10191 |

2006

de la Torre, A.; Alexander, P.; Llamedo Soria, P.; Menéndez, C.; Schmidt, T.; Wickert, J. (2006): An Analysis of Gravity Wave Activity near to the Andes Mountains, from GPS Radio Occultation Long Term Data. 3rd General Assembly European Geosciences Union (Vienna, Austria 2006).
| EDOC: 8902 |

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Miscellaneous

2009

de la Torre, A.; Alexander, P.; Llamedo, P.; Luna, D.; Fernandez, G.; Schmidt, T.; Wickert, J. (2009): Recent developments in atmospheric wave analyses from GPS radio occultation data: Global and regional features.
| EDOC: 13391 |

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