sea_floor_depth_below_geopotential_datum

complete
Created: Feb. 8, 2017
Proposer: Jonathan Gregory
Proposed Date: 2015-09-06
CF trac ticket 143 has been agreed.
Change Date: Feb. 8, 2017, 4:15 p.m.
Term: sea_floor_depth_below_geopotential_datum
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
Change Date: Feb. 8, 2017, 4:16 p.m.
Term: sea_floor_depth_below_geopotential_datum
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
"Depth_below_X" means the vertical distance below the named surface X.
Change Date: May 18, 2017, 10:05 a.m.
Term: sea_floor_depth_below_geopotential_datum
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
"Depth_below_X" means the vertical distance below the named surface X. The "geopotential datum" is the geopotential reference level (level of zero geopotential) where this is not a specifically named level such as the geoid or a reference ellipsoid.
Change Date: July 4, 2017, 2:22 p.m.
Term: sea_floor_depth_below_geopotential_datum
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
"Depth_below_X" means the vertical distance below the named surface X. The "geopotential datum" is any estimated surface of constant geopotential used as a datum i.e. a reference level; for the geoid as a datum, specific standard names are available. To specify which geoid or geopotential datum is being used as a reference level, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention.