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 |
