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Concept

Sea ice extent

URI http://vocab.nerc.ac.uk/standard_name/sea_ice_extent/
Within Vocab Climate and Forecast Standard Names
Definition The term sea_ice_extent means the total area of all grid cells in which the sea ice area fraction equals or exceeds a threshold, often chosen to be 15 per cent. The threshold must be specified by supplying a coordinate variable or scalar coordinate variable with the standard name of sea_ice_area_fraction. The horizontal domain over which sea ice extent is calculated is described by the associated coordinate variables and coordinate bounds or by a coordinate variable or scalar coordinate variable with the standard name of "region" supplied according to section 6.1.1 of the CF conventions. "Sea ice" means all ice floating in the sea which has formed from freezing sea water, rather than by other processes such as calving of land ice to form icebergs.
Date None
Note accepted
modified 2018-07-03 16:09:23.0
Broad Match P25:ICECOV Ice coverage
P02 SeaDataNet Parameter Discovery Vocabulary - (2) [+]
P02:HBEX Habitat extent
P02:CRYS Snow and ice mass, thickness and extent
Exact Match http://mmisw.org/ont/cf/parameter/sea_ice_extent
http://vocab.nerc.ac.uk/standard_name/sea_ice_extent/
P07:CFSN0364 sea_ice_extent
P04 Global Change Master Directory Science Keywords V5 - (2) [+]
P04:G505 EARTH SCIENCE > Cryosphere > Sea Ice > Ice Extent
P04:H002 EARTH SCIENCE > Oceans > Sea Ice > Ice Extent
P64 Global Change Master Directory Science Keywords V6 - (2) [+]
P64:G505 EARTH SCIENCE > Cryosphere > Sea Ice > Ice Extent
P64:H002 EARTH SCIENCE > Oceans > Sea Ice > Ice Extent
Related P06:UMSQ Square metres

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