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Publications
Helmholtz Centre Potsdam
GFZ German Research Centre for Geosciences
(Co) Author: Höpfner, J.
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Höpfner, J. (2004): Low-Frequency Variations, Chandler and Annual Wobbles of Polar Motion as Observed Over One century. Surveys in Geophysics, 25, 1, 1-54.
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Höpfner, J. (2003): Chandler and annual wobbles based on space-geodetic measurements. Journal of Geodynamics, 36, 3, 369-381.
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Höpfner, J. (2003): Parameter variability of the observed periodic oscillations of polar motion with smaller amplitudes. Journal of Geodesy, 77, 7-8, 388-401.
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Höpfner, J. (2003): Polar motions with a half-Chandler period and less in their temporal variability. Journal of Geodynamics, 36, 3, 407-422.
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Höpfner, J. (2001): Atmospheric, oceanic and hydrological contributions to seasonal variations in length of day. Journal of Geodesy, 75, 137-150.
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Höpfner, J. (2000): Seasonal length-of-day changes and atmospheric angular momentum oscillations in their temporal variability. Journal of Geodesy, 74, 335-358.
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Höpfner, J. (2000): The international latitude service - a historical review, from the beginning to its foundation in 1899 and the period until 1922. Surveys in Geophysics, 21, 521-566.
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Höpfner, J. (1998): Seasonal variations in length-of-day and atmospheric angular momentum. Geophysical Journal International, 135, 407-437.
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Höpfner, J. (1996): Polar motion at seasonal frequencies. Journal of Geodynamics, 22, 1/2, 51-61.
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Höpfner, J. (1996): Seasonal oscillations in length-of-day. Astronomische Nachrichten, 317, 4, 273-280.
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Höpfner, J. (2002): Parameter variability of the observed chandler and annual wobbles based on space-geodetic measurements. Zeitschrift für Vermessungswesen, 127, 6, 397-408.
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Höpfner, J. (2001): Interannual variations in lenght of day and atmospheric angular momentum with respect to ENSO cycles. Zeitschrift für Vermessungswesen, 126, 1, 39-49.
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Höpfner, J. (2000): Symposium JSG14 'Insights into earth system science: variations in the earth's rotation and its gravitational field'. Zeitschrift für Vermessungswesen, 125, 7, 229-231.
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Höpfner, J. (1995): Atmosphärische und nicht-atmosphärische Erregung der saisonalen Erdrotationsschwankungen. Allgemeine Vermessungsnachrichten, 102, 65-74.
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Höpfner, J. (1995): Periodische Anteile in der Erdrotation und dem atmosphärischen Drehimpuls und ihre Genauigkeiten. Zeitschrift für Vermessungswesen, 120, 8-16.
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Höpfner, J. (1995): Saisonale atmosphärische und nicht-atmosphärische Polbewegungsanteile. Zeitschrift für Vermessungswesen, 120, 502-508.
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Höpfner, J. (1995): Zur saisonalen Erregung der Polbewegung. Zeitschrift für Vermessungswesen, 120, 119-133.
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Höpfner, J. (1994): Genauigkeitsbetrachtungen für Parameter periodischer Anteile in geophysikalischen Prozessen. Zeitschrift für Vermessungswesen, 119, 293-305.
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Höpfner, J. (1994): Zur Bestimmung der Charakteristika von geophysikalischen Prozessen. Zeitschrift für Vermessungswesen, 119, 9-23.
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Höpfner, J. (1994): Zur Veranschaulichung von zweidimensionalen geophysikalischen Prozessen und ihren periodischen Anteilen. Allgemeine Vermessungsnachrichten, 101, 45-55.
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Höpfner, J. (1993): On the research of geophysical phenomena. Wissenschaftliche Zeitschrift der Technischen Universität Dresden, 42, 77-81.
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Höpfner, J. (1992): Raumbezogene Informationssysteme und digitale Reliefmodelle. Allgemeine Vermessungsnachrichten, 99, 273-281.
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Höpfner, J. (1992): Würdigung - Prof. Dr.-Ing. habil. Horst Jochmann 65 Jahre. Allgemeine Vermessungsnachrichten, 99, 199-200.
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Höpfner, J. (2000): On the contribution of the Geodetic Institute Potsdam to the International Latitude Service. - In: Dick, S.; McCarthy, D.; Luzum, B. (Eds.), Polar Motion: Historical and Scientific Problems, IAU Colloquium 178, 139-146.
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Höpfner, J. (1998): Variationen in der Tageslänge und dem atmosphärischen Drehimpuls im Zeitbereich von einigen Jahren. - In: Freeden, W. (Eds.), Progress in Geodetic Science at GW98, Shaker Verlag, 106-113.
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Höpfner, J. (2002): Parameter variability of the observed polar motions with smaller amplitudes. 27th General Assembly European Geophysical Society (EGS) (Nice France 2002).
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Höpfner, J. (2001): Chandler and annual wobbles based on the space-geodetic measurements. 26th General Assembly of the European Geophysical Society (EGS) (Nice, France 2001).
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Höpfner, J. (2001): Polar motions with periods of order a half-Chandler period and less in their temporal variability. 26th General Assembly of the European Geophysical Society (EGS) (Nice, France 2001).
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Höpfner, J. (2000): Atmospheric, oceanic and hydrological contributions to seasonal variations in lenght of day. 25th General Assembly of the European Geophysical Society (EGS) (Nice, France 2000).
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Höpfner, J. (1999): Interannual variations in length-of-day and atmospheric-angular-momentum with respect to ENSO cycles. IUGG XXII General Assembly (Birmingham, UK 1999).
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Höpfner, J. (1999): On the contribution of the Geodetic Institute Potsdam to the International Latitude Service. 29.
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Höpfner, J. (1998): Seasonal lenght-of-day changes and axial atmospheric-angular-momentum oscillations in their temporal variability. 23th General Assembly of the European Geophysical Society (EGS) (Nice, France 1998).
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Höpfner, J. (1997): Saisonale Schwankungen in Tageslänge und atmosphärischem Drehimpuls. 1. Geodätische Woche (Stuttgart, Germany 1997), 9.
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Höpfner, J. (1997): Seasonal variations in length-of-day and atmospheric-angular momentum. XXII General Assembly European Geophysical Society (EGS) (Vienna, Austria 1997).
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Höpfner, J. (1996): Seasonal oscillations in length-of-day. XXI General Assembly European Geophysical Society (EGS) (The Hague, Netherlands 1996).
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Höpfner, J. (1995): Polar motion at seasonal frequencies. XX General Assembly European Geophysical Society (EGS) (Hamburg, Germany 1995).
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Höpfner, J. (2003): Low-frequency variations, Chandler and annual wobbles of polar motion as observed over one century. Scientific Technical Report ; STR 03/01, GeoForschungsZentrum Potsdam, 1-51.
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Höpfner, J. (2002): Chandler and annual wobbles based on space-geodetic measurements / Polar motions with a half-Chandler period and less in their temporal variability. Scientific Technical Report ; STR 02/13, GeoForschungsZentrum Potsdam, 23.
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Höpfner, J. (2002): Parameter variability of the observed polar motions with smaller amplitudes. Scientific Technical Report ; STR 02/01, GeoForschungsZentrum Potsdam, 33.
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Höpfner, J. (2000): Atmospheric, oceanic and hydrological contributions to seasonal variations in length of day. Scientific Technical Report ; STR 00/05, GeoForschungsZentrum Potsdam, 21.
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Höpfner, J. (1999): Interannual variations in length of day and atmospheric angular momentum with respect to ENSO cycles. Scientific Technical Report ; STR 99/07, GeoForschungsZentrum Potsdam, 17.
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Höpfner, J. (1998): Seasonal length of day changes and atmospheric angular momentum oscillations in their temporal variability. Scientific Technical Report ; STR 98/10, GeoForschungsZentrum Potsdam, 51.
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Höpfner, J. (1997): Seasonal variations in length-of-day and atmospheric-angular-momentum. Scientific Technical Report ; STR 97/08, GeoForschungsZentrum Potsdam, 30.
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Höpfner, J. (1996): Polar motion at seasonal frequencies. Scientific Technical Report; STR 96/02, GeoForschungsZentrum Potsdam, 16.
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Höpfner, J. (1996): Seasonal oscillations in length-of-day. Scientific Technical Report; STR 96/03, GeoForschungsZentrum Potsdam, 14.
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Höpfner, J. (2008): Absolute Bestimmung der Schwere mit Reversionspendeln in Potsdam 1898 – 1904 und 1968 - 1969.
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Höpfner, J. (2007): Über die Geschichte des Geodätischen Instituts Potsdam. GeoForschungsZentrum Potsdam.
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