HI all, Can anyone provide any guidance on the difference between ice_sheet and land_ice (see below)? It has a bearing on metadata to be stored with CMIP6 model output.
thanks and best regards, Karl On 10/4/18 10:29 AM, Taylor, Karl E. wrote: > Hi all, > > I think there might be a mistake in the descriptions of "ice_sheet" > and/or "land_ice" in the "area type" table at > http://cfconventions.org/Data/area-type-table/current/build/area-type-table.html > . > > I find there the following definitions: > > ice_sheet: An area type of "ice sheet" indicates where ice sheets are > present. It includes both grounded ice sheets resting over bedrock and > ice shelves flowing over the ocean, but excludes ice-caps and glaciers > (in contrast to land_ice, which includes all components). > > land_ice: "Land ice" means glaciers, ice-caps, grounded ice sheets > resting on bedrock and floating ice-shelves. > > ice_on_land: The area type "ice_on_land" means ice in glaciers, ice > caps, grounded ice sheets (grounded and floating shelves), river and > lake ice, and any other ice on a land surface, such as frozen flood > water. This is distinct from the area type 'land ice' which has a > narrower definition. > > Are "ice-caps" and "glaciers" really excluded from "ice_sheet". I would > have thought that "ice-cap" would be an ice_sheet located over a pole > (or something to that effect). And i thought ice_sheets were just big > glaciers. > > ice_on_land is pretty clearly any frozen water, except sea ice, > icebergs, and ice particles in clouds, that is exposed to the atmosphere. > > So, I guess I'm trying to understand the difference between ice_sheet > and land_ice, and why do we need both of these? > > thanks and best regards, > Karl > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
