Active layer thickness (ALT) is one of currently two Essential Climate Variables related directly to permafrost regions as defined by the Global Climate Observing System (GCOS)...

B2FIND30

Thaw depth measurements from the Circumpolar Active Layer Monitoring (CALM) project for site 'Sagwon Hills MAT' (U32 B), Alaska North Slope, United States (Alaska), 1995-2023

永久冻土活动层厚度监测

环极地冻土解冻深度观测

This site is registered with the Circumpolar Active Layer Monitoring (CALM) program. It is one among a network of sites that represent a coordinated effort to standardize the collection and access to

NSF Arctic Data Center2023-01-01 更新00

Thaw depth measurements from the Circumpolar Active Layer Monitoring (CALM) project for site 'Ikpikpuk' (U39), Alaska North Slope, United States (Alaska)

永久冻土活动层厚度监测

北极气候变化响应

The primary goal of the Circumpolar Active Layer Monitoring (CALM) program is to observe the response of the active layer and near-surface permafrost to climate change over long (multi-decadal) time s

NSF Arctic Data Center2019-01-01 更新00

ALLena: Compilation of thaw depth measurements of the active layer in the Len...

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ALLena: Compilation of thaw depth measurements of the active layer in the Len...

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