sar requirements for sea ice (arctic and southern oceans)

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SAR Requirements for Sea Ice (Arctic and Southern Oceans) •Thematic Objective Ocean circulation and polar air-sea interactions (Sea ice): 1) For the first time, L-band SAR mapping of the Arctic ocean and marginal seas sea ice cover for leads and ridges. 2) For the first time, repeat fine resolution SAR mapping of the entire Southern ocean sea ice cover for ice motion. 3) For the first time, SAR and optical fine resolution mappings of the entire Arctic ocean. 4) Systematic 3-day medium resolution SAR mapping of sea ice covered waters for motion, and melt pond coverage. Coverage Requirement 1)Coverage of ice-covered waters with the ice edge of the Arctic and Southern Oceans 2)3-day systematic mapping of the Arctic Ocean 3)Ascending and descending coverage 4)Year round coverage defined by the time- varying ice edge Nares Strait Envisat Arctic SAR Mosaic

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SAR Requirements for Sea Ice (Arctic and Southern Oceans). Thematic Objective Ocean circulation and polar air-sea interactions (Sea ice): 1) For the first time , L-band SAR mapping of the Arctic ocean and marginal seas sea ice cover for leads and ridges. - PowerPoint PPT Presentation

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Page 1: SAR Requirements for Sea Ice (Arctic and Southern Oceans)

SAR Requirements for Sea Ice(Arctic and Southern Oceans)

• Thematic Objective

Ocean circulation and polar air-sea interactions (Sea ice):

1) For the first time, L-band SAR mapping of the Arctic ocean and marginal seas sea ice cover for leads and ridges.

2) For the first time, repeat fine resolution SAR mapping of the entire Southern ocean sea ice cover for ice motion.

3) For the first time, SAR and optical fine resolution mappings of the entire Arctic ocean.

4) Systematic 3-day medium resolution SAR mapping of sea ice covered waters for motion, and melt pond coverage.

Coverage Requirement1) Coverage of ice-covered waters with the ice

edge of the Arctic and Southern Oceans2) 3-day systematic mapping of the Arctic Ocean3) Ascending and descending coverage4) Year round coverage defined by the time-

varying ice edge

Nares Strait

Envisat Arctic SAR Mosaic

Page 2: SAR Requirements for Sea Ice (Arctic and Southern Oceans)

Sensor Requirements• C-band

Wide-swath C-band ScanSAR for systematic 3-day mapping of ice-covered oceans.

Short time-separation (daily) repeat coverage of the Lincoln Sea, Nares Strait and Fram Strait at C-band.

• L-BandL-band quad-pol SAR coverage of the Arctic and Southern

Ocean sea ice. L-band ScanSAR coverage of the sea ice cover.

• Optical coverageOptical coverage of the Arctic and Southern Oceans sea ice.

SAR Requirements for Sea Ice(Arctic and Southern Oceans)

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