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SAMOSA (SAR Altimetry MOde Studies and Applications)

SAMOSA is an ESA-funded project to study oceanographic applications of Synthetic Aperture Radar (SAR) mode (or Delay Doppler mode) altimetry. The Cryosat-2 mission will operate a SAR mode Altimeter, primarily designed to make measurements over the earths polar regions. However, the SAR mode altimeter offers many potential improvements over conventional altimetry for measurements over the oceans, and SAMOSA is working to quantify these. There is also work on the applications over coastal zones and inland waters.

Project team

The SAMOSA team is led by SatOC, and includes the National Oceanography Centre Southampton (UK), STARLAB (Spain), De Montfort University (UK), and the Danish National Space Centre (Denmark). We are also very fortunate to be receiving expert guidance from Dr Keith Raney of Johns Hopkins University (USA). 

Downloads

Public Documents

Below are some public papers prepared by the project team, click on the links to download.

SAR altimetry numerical simulations over water surfaces

Christine Gommenginger et al. (NOCS)

Conference presentation, EGU 2008

SAR Altimetry Applications over Water presentation and paper

Cristina Martin-Puig et al. (STARLAB)

ESA SeaSAR workshop 2008

New Theoretical Model of SAR Altimeter Signal over Water Surfaces

Cristina Martin-Puig et al. (STARLAB)

Abstract for IGARSS 2008

Project deliverables

Below are the final project deliverables, where links are indicated they are freely available to download. The other project deliverables remain proprietary information and are available only to ESA and members of the project team.

WP1 - Development of SAR Altimetry Mode Studies over Ocean, Coastal Zones and Inland Water - State of the Art Assessment

WP2 - Range Error as a Function of Significant Wave Height (NOCS)

WP3 - Recovery of short wavelength geophysical signals and short spatial scale sea surface height / slope signals (DNSC)

WP4 - Theoretical Model for SAR Altimeter mode processed echoes over ocean surfaces (STARLAB) - Proprietary information : not available for download

WP5 - New Re-tracking Method Over Water
(a) SAR Altimeter re-tracker performance bound over water surfaces (STARLAB) - Proprietary information : not available for download
(b) Development and Testing of SAR Altimeter waveform theoretical retracker (NOCS)- Proprietary information : not available for download

WP6 - Improvement of Capabilities for Coastal Zones, Estuaries, Rivers and Lakes
(a) DMU Study on Inland Waters and Coastal Zone- Proprietary information : not available for download
(b) NOCS Study on Oceanographic Features in the Coastal Zone.

WP7- Assessment of ENVISAT RA2 Individual Echoes over Ocean (NOCS)

WP8 - Validation using Airborne ASIRAS data (DNSC)


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