Concept
Tendency of sea ice area fraction due to ridging
| URI | http://vocab.nerc.ac.uk/standard_name/tendency_of_sea_ice_area_fraction_due_to_ridging/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Definition | The phrase "tendency_of_X" means derivative of X with respect to time. "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. It is also called "sea ice concentration". "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. The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. Sea ice "ridging" occurs in rough sea conditions. The motion of the sea surface can cause areas of sea ice to deform and fold resulting in ridged upper and lower surfaces. The ridges can be as much as twenty metres thick if thick ice is deformed. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2024-09-04 12:51:23.0 | ||
| Broad Match | P02:CRYS |
Snow and ice mass, thickness and extent | |
| Exact Match | http://mmisw.org/ont/cf/parameter/tendency_of_sea_ice_area_fraction_due_to_ridging | ||
| http://vocab.nerc.ac.uk/standard_name/tendency_of_sea_ice_area_fraction_due_to_ridging/ | |||
P07:CFV16A64 |
tendency_of_sea_ice_area_fraction_due_to_ridging | ||
| Related | P06:PRSC |
per second | |
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