ENVISAT radar altimeter system

Jerome Benveniste; Alberto Resti; Monica Roca; M. P. Milagro-Perez; Guido Levrini

doi:10.1117/12.452745

14 January 2002 ENVISAT radar altimeter system

Jerome Benveniste, Alberto Resti, Monica Roca, M. P. Milagro-Perez, Guido Levrini

Proceedings Volume 4544, Remote Sensing of the Ocean and Sea Ice 2001; (2002) https://doi.org/10.1117/12.452745
Event: International Symposium on Remote Sensing, 2001, Toulouse, France

Abstract

The Altimetry mission on EnviSat will extend the time series of observations started by ERS-1. The new features of the RA2 mission will improve the quality of the measurements in many aspects. The new on-board algorithms for tracking the surface, the larger range window and the extra low resolution mode will all improve data acquisition over the important ice sheet margins and over most land and wetland surfaces. New, in-situ ionospheric corrections from the dual radar frequency will be a significant improvement on the model-based corrections used in previous missions. The more precise DORIS orbit will improve the precision of all measurements, particularly in near real time. The near real time products will be built with the same algorithms than the off-line final precision products, only some auxiliary input data may differ, thus providing already in 3 hours near-high quality Geophysical Data Record Products to support near real time Oceanography.

Citation Download Citation

Jerome Benveniste, Alberto Resti, Monica Roca, M. P. Milagro-Perez, and Guido Levrini "ENVISAT radar altimeter system", Proc. SPIE 4544, Remote Sensing of the Ocean and Sea Ice 2001, (14 January 2002); https://doi.org/10.1117/12.452745

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