ESA Open Invitation To Tender AO8875
Open Date: 06/03/2017
Closing Date: 24/04/2017 13:00:00

Status: ISSUED
Reference Nr.: 17.155.01
Prog. Ref.: EOEP-5
Budget Ref.: E/E 104-51-B
Special Prov.: AT+BE+CZ+DK+EE+FI+FR+DE+GR+IE+IT+LU+NL+NO+PL+PT+RO+ES+SE+CH+GB+SL+CA
Tender Type: C
Price Range: 200-500 KEURO
Techology Domains: Space System Software / Earth Observation Payload Data Exploitation / Applications and Services
Establishment: ESTEC
Directorate: Directorate of EO Programmes
Department: Science, Appl & Future Technologies Dept
Division: Mission Science Division
Contract Officer: Ipsilanti, Anna
Industrial Policy Measure: N/A – Not apply
Last Update Date: 06/03/2017
Update Reason: Tender issue

Co-temporal maps of ocean surface wind, waves and current at the mesoscale remain one of the big data gaps to understand ocean dynamics. With the launch of the Sentinel-1 satellites the capabilities of providing such high-resolution information from space is significantly improved. However, fundamental limitations with mono-static SAR observation geometry has led to the investigation of bistatic companion satellites to Sentinel-1 in order to retrieve surface motion vectors. The activity Scientific Assessment of Total Surface Current Velocities (TSCV) Retrievals from Stereo-SAR aims to develop and assess TSCV retrievals from simultaneous SAR satellite observations of the ocean surface at C-band, with 1 or 2 passive follower satellites flying in convoy with Sentinel-1. The mission concept has been detailed in a separate study, the outputs of which will be available for this science activity. Objectives for this activity include the building of forward and inverse models, and to perform an end-to-end performance assessment on the retrieval.

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