Auflistung nach Schlagwort "GRACE"

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  • Autoregressive Reconstruction of Total Water Storage within GRACE and GRACE Follow-On Gap Period 
    Lenczuk, Artur; Weigelt, Matthias; Kosek, Wieslaw; Mikocki, Jan (Basel : MDPI, 2022)
    For 15 years, the Gravity Recovery and Climate Experiment (GRACE) mission have monitored total water storage (TWS) changes. The GRACE mission ended in October 2017, and 11 months later, the GRACE Follow-On (GRACE-FO) mission ...
  • Data Processing and Investigations for the GRACE Follow-On Laser Ranging Interferometer 
    Misfeldt, Malte Matthias (Hannover : Leibniz Universität Hannover, Max Planck Institute for Gravitational Physics, 2019-06-15)
    This thesis presents first in-depth results of the Laser Ranging Interferometer (LRI) onboard the Gravity Recovery And Climate Experiment - Follow On (GRACE-Follow On) mission. The LRI is a novel instrument, which was ...
  • Design considerations for future geodesy missions and for space laser interferometry 
    Müller, Vitali (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2017)
    [no abstract]
  • Generation of Level 1 Data Products and Validating the Correctness of Currently Available Release 04 Data for the GRACE Follow-On Laser Ranging Interferometer 
    Müller, Laura (Hannover : Leibniz Universität Hannover, Max Planck Institute for Gravitational Physics, 2021-10-22)
    The satellite pair of the Gravity Recovery and Climate Experiment (GRACE) Follow-On orbits the Earth, while their inter-satellite distance changes are measured with an accuracy never reached before. This is achieved with ...
  • GNSS-based calibration of GRACE accelerometers 
    Koch, Igor; Shabanloui, Akbar; Flury, Jakob; Müller, Jürgen (2017-07-30)
    In this study, two approaches for the determination of total non-gravitational accelerations acting on GRACE were investigated. To investigate two approaches, GRACE Level-1B data including accelerometer sensor data, GNSS ...
  • GRACE and GRACE-FO processing at IfE/LUH 
    Koch, Igor; Flury, Jakob; Duwe, Mathias; Shabanloui, Akbar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)
    Updates on gravity field recovery from GRACE and GRACE Follow-On data at IfE/LUH.
  • GRACE gravity field reprocessing at IGG Bonn 
    Eicker, Annette; Kurtenbach, Enrico; Mayer-Gürr, Torsten; Shabanloui, Akbar; Kusche, Jürgen (2012-05-24)
    GRACE gravity field reprocessing at IGG Bonn
  • GRACE-FO monthly solutions using the GRACE-SIGMA software 
    Koch, Igor; Flury, Jakob; Shabanloui, Akbar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)
    In this contribution we present gravity field monthly solutions from GRACE Follow-On (GRACE-FO) Level-1B sensor data. The monthly solutions are computed with the GRACE-SIGMA software developed at the Institute of Geodesy, ...
  • GRACETOOLS - GRACE gravity field recovery tools 
    Darbeheshti, Neda; Wöske, Florian; Weigelt, Matthias; McCullough, Christopher; Wu, Hu (Basel : MDPI AG, 2018)
    This paper introduces GRACETOOLS, the first open source gravity field recovery tool using GRACE type satellite observations. Our aim is to initiate an open source GRACE data analysis platform, where the existing algorithms ...
  • How reliable is the mass variation in the Siberian permafrost region as observed by GRACE mission? 
    Shabanloui, Akbar; Müller, Jürgen (2015-09-20)
    Permafrost generally and in Siberia (Russia) especially plays a key role for global hydrological mass transport, climate change and the eco-system of the Earth. In this study, surface and sub-surface mass variations in the ...
  • In-Orbit Performance of the GRACE Accelerometers and Microwave Ranging Instrument 
    Murböck, Michael; Abrykosov, Petro; Dahle, Christoph; Hauk, Markus; Pail, Roland; Flechtner, Frank (Basel : MDPI, 2023)
    The Gravity Recovery and Climate Experiment (GRACE) satellite mission has provided global long-term observations of mass transport in the Earth system with applications in numerous geophysical fields. In this paper, we ...
  • Influence of accelerometer parametrizations on GRACE post-fit residuals 
    Koch, Igor; Shabanloui, Akbar; Flury, Jakob (München : European Geosciences Union, 2019-04-07)
    Accelerometers onboard of satellites can be regarded as a key improvement in gravity field recovery. These instruments are located in the center of mass of the satellite and are precisely measuring non-gravitational forces ...
  • Laser interferometer for spaceborne mapping of the Earth's gravity field 
    Dehne, Marina; Cervantes, Felipe Guzman; Sheard, Benjamin; Heinzel, Gerhard; Danzmann, Karsten (Bristol : IOP Publishing Ltd., 2009)
    The Gravity Recovery and Climate Experiment (GRACE) is one of the present missions to map the Earth's gravity field. The aim of a GRACE follow-on mission is to map the gravitational field of the Earth with higher resolution ...
  • LUH-GRACE2018 
    Koch, Igor; Flury, Jakob; Naeimi, Majid; Shabanloui, Akbar (Berlin ; Heidelberg : Springer, 2020)
    In this contribution, we present the LUH-GRACE2018 time series of monthly gravity field solutions covering the period January 2003–March 2016. The solutions are obtained from GRACE K-Band Range Rate (KBRR) measurements as ...
  • LUH-GRACE2018: A new time series of monthly gravity field solutions from GRACE 
    Koch, Igor; Naeimi, Majid; Flury, Jakob; Shabanloui, Akbar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2018-10-09)
    In this contribution, we present a new time series of monthly gravity field solutions mainly obtained from GRACE K band range rate (KBRR) measurements. Our monthly solutions are computed using the in-house developed ...
  • LUH-GRACE2018: Neue Zeitreihe monatlicher GRACE-Lösungen 
    Koch, Igor; Naeimi, Majid; Flury, Jakob (2018-10-16)
    Dieser Beitrag beschäftigt sich mit einer neuen Zeitreihe monatlicher Schwerefeldlösungen aus GRACE KBRR-Beobachtungen. Diese monatlichen Lösungen wurden mittels eigener GRACE-SIGMA Software in zwei Prozessierunsschritten ...
  • Multiresolution wavelet analysis applied to GRACE range-rate residuals 
    Behzadpour, Saniya; Mayer-Gürr, Torsten; Flury, Jakob; Klinger, Beate; Goswami, Sujata (Göttingen : Copernicus, 2019-08-15)
    For further improvements of gravity field mod- els based on Gravity Recovery and Climate Experiment (GRACE) observations, it is necessary to identify the error sources within the recovery process. Observation residuals ...
  • PPP-based Swarm kinematic orbit determination 
    Ren, Le; Schön, Steffen (Göttingen : Copernicus GmbH, 2018)
    The Swarm mission of the European Space Agency (ESA) offers excellent opportunities to study the ionosphere and to provide temporal gravity field information for the gap between the Gravity Recovery and Climate Experiment ...
  • Reprocessing of CHAMP and GRACE observations for the determination of improved static and temporal gravity field models with regional refinements 
    Eicker, Annette; Kurtenbach, Enrico; Mayer-Gürr, Torsten; Shabanloui, Akbar; Kusche, Jürgen (2012-05-24)
    Reprocessing of CHAMP and GRACE observations for the determination of improved static and temporal gravity field models with regional refinements
  • Residual ocean tide signal in GRACE(-FO) range-rate post-fit residuals 
    Koch, Igor; Duwe, Mathias; Flury, Jakob (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023-11-02)
    Ocean tide model imperfections are one of the major uncertainty factors in gravity field recovery. Unmodeled signal can alias into level-2 gravity field products and be interpreted as real signal, e.g. as ice mass loss. ...