Concept
fraction_of_time_with_sea_ice_area_fraction_above_threshold
| URI | http://vocab.nerc.ac.uk/collection/P07/current/M6FAQ4GA/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | "Fraction of time" is the fraction of a time period defined by the bounds of the time coordinate variable for which a characteristic of interest exists. It may be expressed as a fraction, a percentage, or any other dimensionless representation of a fraction. "Area fraction" is the fraction of a grid cell's horizontal area that has some characteristic of interest. It is evaluated as the area of interest divided by the grid cell area, or if the cell_methods restricts the evaluation to some portion of that grid cell (e.g. "where sea_ice"), then it is the area of interest divided by the area of the identified portion. It may be expressed as a fraction, a percentage, or any other dimensionless representation of a fraction. Sea ice area fraction is area of the sea surface occupied by sea ice. The area threshold value must be specified by supplying a coordinate variable or scalar coordinate variable with the standard name of sea_ice_area_fraction. "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 | 2024-09-04T12:51:23 | ||
| Identifier | SDN:P07::M6FAQ4GA | ||
| Note | accepted | ||
| Has Current Version | 3 | ||
| Version | 1 , 2 | ||
| version | 3 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/fraction_of_time_with_sea_ice_area_fraction_above_threshold | Mapping: 329610 |
| CF | http://vocab.nerc.ac.uk/standard_name/fraction_of_time_with_sea_ice_area_fraction_above_threshold/ | Mapping: 379415 | |
| Related | P06:UUUU |
Dimensionless | Mapping: 1527427 |
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