Abstract's details
Improving DUACS Sea Level products with CFOSAT and HY2B
CoAuthors
Event: 2019 Ocean Surface Topography Science Team Meeting
Session: Application development for Operations
Presentation type: Type Poster
Contribution: not provided
Abstract:
The DUACS system produces, as part of the CNES/SALP project, and the Copernicus Marine Environment and Monitoring Service, high quality multi-mission altimetry Sea Level products for oceanographic applications, climate forecasting centers, geophysic and biology communities... These products consist in directly usable and easy to manipulate Level 3 (along-track cross-calibrated SLA), Level 4 products (multiple sensors merged as maps or time series) and derived value added products such as Eddy Atlas.
Since 1997, altimeter missions from all the Space Agencies have been successively integrated in the system as soon as the data have been made available and assessed. The NRT system currently ingests 4 to 6 missions: Jason-3, Sentinel3A & B Cryosat-2, Altika which has been desactivated in February 2019, hopefully temporarily, and Jason-2 which is only available on specific periods. Since october 2018, two new satellites can complement this constellation Hy2B and CFOSAT. Hy2B, carries a classic (jason like) LRM altimeter on the same orbit as HY2A used several years in DUACS. The CFOSAT mission, though dedicated to the measurement of ocean waves directional spectra and surface wind velocities, is also capable to measure Sea Surface height. A specific study will be implemented to assess the quality of these new datasets, demonstrate the faisability of ingesting them in the DUACS system and assess the impact in terms of products quality. The main outcomes of this study will be presented here.
Since 1997, altimeter missions from all the Space Agencies have been successively integrated in the system as soon as the data have been made available and assessed. The NRT system currently ingests 4 to 6 missions: Jason-3, Sentinel3A & B Cryosat-2, Altika which has been desactivated in February 2019, hopefully temporarily, and Jason-2 which is only available on specific periods. Since october 2018, two new satellites can complement this constellation Hy2B and CFOSAT. Hy2B, carries a classic (jason like) LRM altimeter on the same orbit as HY2A used several years in DUACS. The CFOSAT mission, though dedicated to the measurement of ocean waves directional spectra and surface wind velocities, is also capable to measure Sea Surface height. A specific study will be implemented to assess the quality of these new datasets, demonstrate the faisability of ingesting them in the DUACS system and assess the impact in terms of products quality. The main outcomes of this study will be presented here.