Results 21 to 30 of about 40,128 (251)

Revisiting the global mean ocean mass budget over 2005–2020 [PDF]

Ocean Science, 2023
We investigate the performances of Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) satellite gravimetry missions in assessing the ocean mass budget at the global scale over 2005–2020.
A. Barnoud, J. Pfeffer, A. Cazenave, A. Cazenave, R. Fraudeau, V. Rousseau, M. Ablain   +6 more
doaj   +1 more source

Exploiting the Combined GRACE/GRACE-FO Solutions to Determine Gravimetric Excitations of Polar Motion

Remote Sensing, 2022
Observations from the Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) missions can be used to estimate gravimetric excitation of polar motion (PM), which reflects the contribution of mass changes in continental hydrosphere ...
Justyna Śliwińska, Małgorzata Wińska, Jolanta Nastula   +2 more
doaj   +1 more source

Drought Events over the Amazon River Basin (1993–2019) as Detected by the Climate-Driven Total Water Storage Change

Remote Sensing, 2021
The Gravity Recovery and Climate Experiment (GRACE) mission has measured total water storage change (TWSC) and interpreted drought patterns in an unparalleled way since 2002.
Kunjun Tian, Zhengtao Wang, Fupeng Li, Yu Gao, Yang Xiao, Cong Liu   +5 more
doaj   +1 more source

Comparing GRACE-FO KBR and LRI Ranging Data with Focus on Carrier Frequency Variations

Remote Sensing, 2022
The GRACE Follow-On satellite mission measures distance variations between its two satellites in order to derive monthly gravity field maps, indicating mass variability on Earth on a scale of a few 100 km originating from hydrology, seismology ...
Vitali Müller, Markus Hauk, Malte Misfeldt, Laura Müller, Henry Wegener, Yihao Yan, Gerhard Heinzel   +6 more
doaj   +1 more source

Revisiting the light time correction in gravimetric missions like GRACE and GRACE follow-on [PDF]

Journal of Geodesy, 2020
AbstractThe gravity field maps of the satellite gravimetry missions Gravity Recovery and Climate Experiment (GRACE ) and GRACE Follow-On are derived by means of precise orbit determination. The key observation is the biased inter-satellite range, which is measured primarily by a K-Band Ranging system (KBR) in GRACE and GRACE Follow-On. The GRACE Follow-
Yan, Yihao, Müller, Vitali, Heinzel, Gerhard, Zhong, Min, Yan, Yihao; Institute of Geodesy and Geophysics, APM, Chinese Academy of Sciences, Wuhan, China, Müller, Vitali; Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut), Institut für Gravitationsphysik of Leibniz Universität Hannover, Hannover, Germany, Heinzel, Gerhard; Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut), Institut für Gravitationsphysik of Leibniz Universität Hannover, Hannover, Germany, Zhong, Min; School of Geospatial Engineering and Science, Sun Yat-Sen University, Zhuhai, China   +7 more
openaire   +7 more sources

Laser ranging interferometer for GRACE follow-on [PDF]

International Conference on Space Optics — ICSO 2012, 2017
The Gravity Recovery and Climate Experiment (GRACE) has produced a wealth of data on Earth gravity, hydrology, glaciology and climate research. To continue that data after the imminent end of the GRACE mission, a follow-on mission is planned to be launched in 2017, as a joint USGerman project with a smaller Australian contribution.
Heinzel, G., Sheard, B., Brause, N., Danzmann, K., Dehne, M., Gerberding, O., Mahrdt, C., Müller, V., Schütze, D., Stede, G., Klipstein, W., Folkner, W., Speroy, R., Nicklaus, K., Gath, P., Shaddock, D.   +15 more
openaire   +3 more sources

On-Orbit Calibration of the KBR Antenna Phase Center of GRACE-Type Gravity Satellites

Remote Sensing, 2022
The coordinates of the KBR (K-band ranging system) antenna phase center of GRACE-type gravity satellites in the satellite Science Reference Frame should be precisely known, and the determination accuracy should reach 0.3 mrad in the Y (pitch) and Z (yaw)
Zhiyong Huang, Shanshan Li, Lingyong Huang, Diao Fan   +3 more
doaj   +1 more source

Tracking inter-annual terrestrial water storage variations over Lake Baikal basin from GRACE and GRACE Follow-On missions

Journal of Hydrology: Regional Studies, 2022
The Gravity Recovery and Climate Experiment (GRACE) mission and its follow-on mission (GRACE Follow-On) can accurately track the Earth’s mass variations, which have been successfully used in various geoscience researches related to global and regional ...
Min Wei, Hao Zhou, Zhicai Luo, Min Dai
doaj   +1 more source

Preliminary Estimation and Validation of Polar Motion Excitation from Different Types of the GRACE and GRACE Follow-On Missions Data

Remote Sensing, 2020
The Gravity Recovery and Climate Experiment (GRACE) mission has provided global observations of temporal variations in the gravity field resulting from mass redistribution at the surface and within the Earth for the period 2002–2017.
Justyna Śliwińska, Małgorzata Wińska, Jolanta Nastula   +2 more
doaj   +1 more source

Satellite Gravity Field Recovery Using Variance‐Covariance Information From Ocean Tide Models

Earth and Space Science, 2023
Monthly gravity field recovery using data from the GRACE and GRACE Follow‐On missions includes errors limiting the spatial and temporal resolution of the estimated gravity fields.
Markus Hauk, Josefine Wilms, Roman Sulzbach, Natalia Panafidina, Michael Hart‐Davis, Christoph Dahle, Vitali Müller, Michael Murböck, Frank Flechtner   +8 more
doaj   +1 more source