Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Shailen D. Desai"'
Publikováno v:
Advances in Space Research. 68:1161-1170
The Harvest Oil Platform, near Point Conception, California, has long served as the NASA prime verification site for the TOPEX/POSEIDON and Jason series of reference altimeter missions. In this brief review article, we provide a short history of the
Autor:
Robert Knockaert, Andrew Hyslop, Eric Pourier, William Simpson, Alejandro Egido, Robert Cullen, Shailen D. Desai, James Mulcahy, Jesus Rancaño, Parag Vaze, Remko Scharroo, C. Richard Francis, Pascal Bonnefond, J. K. Willis, Gilles Tavernier, Christopher Hunter, Nicolas Picot, Pierrik Vuilleumier, Craig Donlon, Luisella Giulicchi, Sophie Le Gac, Mieke Kuschnerus, Shannon Brown, Alan Webb, Marco Fornari, Mauro Caleno, Cristina Martin-Puig, Abderrazak Bouridah, Roberta Bertoni, Jean-Damien Desjonquères, Eric Leuliette, Walter H. F. Smith
Publikováno v:
Remote Sensing of Environment
Remote Sensing of Environment, Elsevier, 2021, 258, pp.112395. ⟨10.1016/j.rse.2021.112395⟩
Remote Sensing of Environment: an interdisciplinary journal, 258
Remote Sensing of Environment, Elsevier, 2021, 258, pp.112395. ⟨10.1016/j.rse.2021.112395⟩
Remote Sensing of Environment: an interdisciplinary journal, 258
International audience; Given the considerable range of applications within the European Union Copernicus system, sustained satellite altimetry missions are required to address operational, science and societal needs. This article describes the Coper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9d674ecd2763fd4a2905eabb91d5b0b
https://hal.sorbonne-universite.fr/hal-03222347/document
https://hal.sorbonne-universite.fr/hal-03222347/document
Publikováno v:
Journal of Geodesy. 93:1835-1844
We present a method to estimate geocenter motion through single low-earth orbiter (LEO) precise orbit determination (POD) using global positioning system (GPS) tracking data and accelerometer data from the GRACE satellites. We fix the values of the G
Publikováno v:
Journal of Geodesy. 91:965-983
We present results from the generation of 10-year-long continuous time series of the Earth’s polar motion at 15-min temporal resolution using Global Positioning System ground data. From our results, we infer an overall noise level in our high-rate
Publikováno v:
GPS Solutions. 21:739-745
After comparing the modeled and the estimated yaw angles during yaw maneuvers for eight Block IIF Global Positioning System satellites over 1 year, we have observed discrepancies between the yaw directions in the vicinity of zero beta angle. Two feat
Autor:
Aurore Sibois, Shailen D. Desai
Publikováno v:
Journal of Geophysical Research: Solid Earth. 121:5237-5256
We evaluate models for the predicted diurnal and semidiurnal tidal variations in polar motion using observations based upon the Global Positioning System (GPS). The GPS-based observations are composed of 10 year continuous time series of polar motion
Publikováno v:
Journal of Geodesy. 89:1233-1243
Satellite altimeter sea surface height observations include the geocentric displacements caused by the pole tide, namely the response of the solid Earth and oceans to polar motion. Most users of these data remove these effects using a model that was
Autor:
Aurore Sibois, Nate Harvey, Shailen D. Desai, Willy Bertiger, Bruce J. Haines, Yoaz Bar-Sever, Jan P. Weiss
Publikováno v:
Journal of Geophysical Research: Solid Earth. 120:5911-5939
We describe a terrestrial reference frame (TRF) realization based on Global Positioning System (GPS) data alone. Our approach rests on a highly dynamic, long-arc (9 day) estimation strategy and on GPS satellite antenna calibrations derived from Gravi
Publikováno v:
Journal of Geodesy. 88:735-747
We show that the current levels of accuracy being achieved for the precise orbit determination (POD) of low-Earth orbiters demonstrate the need for the self-consistent treatment of tidal variations in the geocenter. Our study uses as an example the P
Autor:
Richard D. Ray, Shailen D. Desai
Publikováno v:
Geophysical Research Letters. 41:2454-2459
Tidal geocenter motion has been previously ignored when developing ocean tide models from satellite altimetry. Accounting for tidal geocenter motion is necessary because the best orbit determinations for altimetric satellites position sea-surface hei