U7b: Active-Layer Thickness Measurements Near Deadhorse, Alaska

The U7b dataset contains active-layer thickness measurements collected near Deadhorse, Alaska under the Circumpolar Active Layer Monitoring (CALM) network. The CALM network is described as the only coordinated and standardized program using standard protocols to observe decadal changes in seasonal thawing and freezing in high-latitude soils. The dataset was last updated by SCIOPS on 2010-11-23.

Use Cases

• Modeling permafrost thaw dynamics based on standardized active-layer thickness measurements.
• Analyzing decadal changes in seasonal freezing and thawing based on coordinated observation protocols.
• Monitoring Arctic climate change impacts on soil based on high-latitude observation data.

Strengths

• Data is part of the only coordinated and standardized program (CALM) for observing high-latitude soil dynamics.
• Measurements follow standard protocols designed for detecting decadal changes.

Limitations

• Last updated 2010-11-23 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.

Provenance

Source

SCIOPS via NASA Earthdata.

Collection Method

Standardized field measurements under the Circumpolar Active Layer Monitoring (CALM) network.

Time Range

Decadal observations, specific range unknown.

Freshness

Last updated 2010-11-23 23:59:59.999000.

Geography

Near Deadhorse, Alaska.