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SAR Sea Floor Topography DTU Cryosat Data

Coverage:  The North Pacific Regions under the SAR mode mask (CryoSat-2 Mask 3.4)
                 Region 1 [Lat 15-25N, Lon 180-195E]
                
Region 2 [Lat 0-17N, Lon 136-150E]

Time Period: One complete 369 day cycle starting  1st October 2012

Cryosat-2 Data Products Used: ESA SAR Baseline B L1b

Method:
The SAR re-tracking needed for mapping seamounts will be the same as for Open Ocean. The only addition to the processing is the need for further along-track processing and filtering to achieve the S/N needed to retrieve small gravity signals associated with bathymetry. 
The retracked SAR data will be evaluated for the test region with respect to signal to noise determination of possible residual geophysical signal. This will be done for one repeat of the Cryosat-2 SAR retracked data. Part of the installed Mask was installed prior to October 2012, so for part of the region data from more than one year will be studied to evaluate the impact on oceanographic noise on gravity field determination to evaluate the signal to noise of the data. This analysis is essential in order to determine if the test region is at all suited for further validation of the sea floor bathymetry mapping application.

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© Satellite Oceanographic Consultants Ltd 2012