| Type |
Proceedings paper |
| Date |
2020 |
| Language |
English |
| Author(s) |
Tournadre Jean1, Chapron Bertrand 1 |
| Affiliation(s) |
1 : Univ Bretagne Occidentale, CNRS, IFREMER, Lab Oceanog Phys & Spatiale,IRD, F-29280 Plouzane, France. |
| Meeting |
IEEE International Geoscience and Remote Sensing Symposium (IGARSS), ELECTR NETWORK, SEP 26-OCT 02, 2020 |
| DOI |
10.1109/IGARSS39084.2020.9323226 |
| Keyword(s) |
Altimeter, high resolution surface roughness, inversion |
| Abstract |
Satellite altimeters, designed to measure the topography of the ocean, are also good imagers of the ocean surface backscatter. A method was developed to invert the classical Low Resolution Mode high resolution HR waveforms in terms of surface backscatter at high resolution (similar to 300m). Since the launch of Cryosat-2 in 2010, a new generation of altimeters using Doppler capabilities has emerged and has become the standard for the new altimeters such as the Sentinel-3 one. The so-called SAR altimetry provides higher along-track resolution and lower noise level. In this mode altimeter are also good imagers of the surface backscatter. A new method of inversion of SAR waveforms is presented. The processing of the Sentinel-3 altimeters provides collocated SAR and LRM waveforms that are used to intercompare the inverted surfce backscatter. |
| Full Text |
| File |
Pages |
Size |
Access |
|
4 |
1 MB |
Access on demand |
| Author's final draft |
4 |
1 MB |
Open access |
|
