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Article Dans Une Revue Remote Sensing Année : 2021

Results of the Dragon 4 Project on New Ocean Remote Sensing Data for Operational Applications

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This paper provides an overview of the Dragon 4 project dealing with operational monitoring of sea ice and sea surface salinity (SSS) and new product developments for altimetry data. To improve sea ice thickness retrieval, a new method was developed to match the Cryosat-2 radar waveform. Additionally, an automated sea ice drift detection scheme was developed and tested on Sentinel-1 data, and the sea ice drifty capability of Gaofen-4 geostationary optical data was evaluated. A second topic included implementation and validation of a prototype of a Fully-Focussed SAR processor adapted for Sentinel-3 and Sentinel-6 altimeters and evaluation of its performance with Sentinel-3 data over the Yellow Sea; the assessment of sea surface height (SSH), significant wave height (SWH), and wind speed measurements using different altimeters and CFOSAT SWIM; and the fusion of SSH measurements in mapping sea level anomaly (SLA) data to detect mesoscale eddies. Thirdly, the investigations on the retrieval of SSS include simulations to analyse the performances of the Chinese payload configurations of the Interferometric Microwave Radiometer and the Microwave Imager Combined Active and Passive, SSS retrieval under rain conditions, and the combination of active and passive microwave to study extreme winds.
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hal-03352774 , version 1 (21-10-2021)

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Ferran Gibert, Jacqueline Boutin, Wolfgang Dierking, Alba Granados, Yan Li, et al.. Results of the Dragon 4 Project on New Ocean Remote Sensing Data for Operational Applications. Remote Sensing, 2021, 13 (14), pp.2847. ⟨10.3390/rs13142847⟩. ⟨hal-03352774⟩
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