Concept information
Preferred term
depth_at_base_of_unfrozen_ground
Definition
- The phrase depth_at_base_of_unfrozen_ground is the instantaneous depth of the downward penetration of thaw from the ground surface at a given time. Permafrost is soil or rock that has remained at a temperature at or below zero degrees Celsius throughout the seasonal cycle for two or more consecutive years. The maximum measurable depth_at_base_of_unfrozen_ground value as recorded at the end of a thawing season corresponds to the permafrost_active_layer_thickness.
Note
- Mapping to be determined
URI
https://vocab.met.no/CFSTDN/depth_at_base_of_unfrozen_ground
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