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  2. Essential Climate Variables
  3. Sea Ice
  4. ECV Products and Requirements for Sea Ice

ECV Products and Requirements for Sea Ice

These products and requirements reflect the Implementation Plan 2016 (GCOS-200). GCOS is reviewing and will update the requirements until 2022. More information on: gcos.wmo.int.

 

PRODUCT DEFINITION FREQ. RESOLUTION REQUIRED MEASUREMENT UNCERTAINTY STABILITY STANDARDS/ REFERENCES
Sea Ice Concentration Fraction of area covered with sea ice. Weekly 10 km to 15 km 5% ice area fraction 5% See EOV Specification Sheet www.goosocean.org/eov
Sea Ice Extent Sea ice extent is the area of sea with a specified minimum fraction of ice-cover, usually 15%. Weekly 1 km to 5 km 5 km unspecified www.goosocean.org/eov
Sea Ice Thickness Average thickness from sea ice surface-to-underside in the ice-covered fraction of an area. Monthly 25km 0.1 m unspecified www.goosocean.org/eov
Sea Ice Drift Rate of movement of Sea Ice due to winds, currents or other forces. Weekly 5 km 1 km/day unspecified www.goosocean.org/eov

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