Seasonal soil active layer measurements from a Circumpolar Active Layer monitoring (CALM) grid, (U12B) Toolik MAT, Alaska. 1995-2020.

The Circumpolar Active Layer Monitoring (CALM) program represents the only coordinated program providing collection, standardization, open access, and dissemination of active-layer data world-wide. Widespread, systematic changes in the thickness of the active layer could have profound effects on the...

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Bibliographic Details
Main Author: Shiklomanov, Nikolay
Format: Dataset
Language:English
Published: NSF Arctic Data Center 2021
Subjects:
Permafrost
Earth Science
Cryosphere
Active Layer
Grid
500 Meters to 1 Kilometer
Probes
Field Survey
Weekly to Monthly
Active layer monitoring
Global Terrestrial Network for Permafrost
permafrost
Alaska
Online Access:https://dx.doi.org/10.18739/a2kp7ts3p
https://arcticdata.io/catalog/view/doi:10.18739/A2KP7TS3P
Description
Summary:The Circumpolar Active Layer Monitoring (CALM) program represents the only coordinated program providing collection, standardization, open access, and dissemination of active-layer data world-wide. Widespread, systematic changes in the thickness of the active layer could have profound effects on the flux of greenhouse gases, on the human infrastructure in cold regions, and on landscape and hydrologic processes. It is therefore critical that observational and analytical procedures continue over decadal periods to assess trends and detect cumulative, long-term changes. This dataset contains active-layer observations conducted by the CALM program since the 1990s, supported by a series of National Science Foundation (NSF) awards. CALM program is an integral part of the Global Terrestrial Network for Permafrost. CALM 2020 data are significantly reduced due to pandemic-related travel restrictions. Available 2020 data are limited in terms of extent, and observations were not as controlled as previous years in terms of measurement timing or method, and therefore should be treated with caution.

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