RG
Member Since 1978
Richard S. Gross
Senior Research Scientist, NASA Jet Propulsion Laboratory
AGU Research
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The JTRF2020 Earth Orientation Series
REFERENCE FRAMES: DETERMINATION, USAGE, AND APPLICATION I POSTER
geodesy | 13 december 2023
Richard S. Gross, Claudio Abbondanza, Toshio M. Ch...
Besides station positions, the space-geodetic observing techniques of VLBI, GNSS, SLR, and DORIS also observe the Earth's orientation in space. Since ...
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Effect of non-tidal deformation on accuracy of secular velocity in terrestrial reference frames
REFERENCE FRAMES: DETERMINATION, USAGE, AND APPLICATION I POSTER
geodesy | 13 december 2023
Toshio M. Chin, Claudio Abbondanza, Richard S. Gro...
The non-tidal deformation (NTD) due to loading from atmosphere, ocean, and ground water tends corrupt the space geodetic position data used for determ...
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A Sequential Estimation Approach to Determining and Updating Terrestrial Reference Frames
REFERENCE FRAMES: DETERMINATION, USAGE, AND APPLICATION I ORAL
geodesy | 12 december 2022
Richard S. Gross, Claudio Abbondanza, Toshio M. Ch...
The terrestrial reference frame (TRF) is the foundation for virtually all space-based and ground-based Earth observations. Positions of objects are de...
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Post-seismic deformation model for sequential estimation of terrestrial reference frame
REFERENCE FRAMES: DETERMINATION, USAGE, AND APPLICATION III POSTER
geodesy | 17 december 2021
Toshio M. Chin, Claudio Abbondanza, Richard S. Gro...
In terrestrial reference frame estimation, the decadal change in station positions is typically modeled as a linear motion that primarily reflects the...
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JTRF2020: A Sequentially Estimated Terrestrial Reference Frame
REFERENCE FRAMES: DETERMINATION, USAGE, AND APPLICATION I ORAL
geodesy | 17 december 2021
Richard S. Gross, Claudio Abbondanza, Toshio M. Ch...
JPL's newly developed software for determining terrestrial reference frames, known as SREF (Square-root REference Frame filter), has been used to prod...
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Modeling spatial correlations in surface mass variations for terrestrial reference frame estimation
CONTINUOUS MEASUREMENTS OF EARTH SYSTEM MASS CHANGE: GRACE, GRACE-FO, AND BEYOND II POSTERS
geodesy | 13 december 2019
Toshio M. Chin, Claudio Abbondanza, Richard S. Gro...
In recent realizations of terrestrial reference frame (TRF), such as ITRF2014 and JTRF2014, non-tidal ground deformation parameters are co-estimated t...
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100 Years of Earth Rotation: From Astronomy to Space Geodesy
ONE HUNDRED YEARS OF GEODESY
geodesy | 13 december 2019
Richard S. Gross
The International Latitude Service (ILS) was established to observe apparent latitude variations caused by the wobbling motion of the Earth. Routine o...
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Predicting celestial pole offsets using a Kalman filter and smoother
FIFTY YEARS OF LUNAR LASER RANGING AND EARTH AND PLANETARY ROTATION II POSTERS
geodesy | 11 december 2019
Jolanta Nastula, Toshio M. Chin, Richard S. Gross,...
JPL recently developed an approach based upon the use of a Kalman filter and smoother to provide smoothed and predicted celestial pole offsets (CPOs) ...
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