Permafrost characterization and feature identification using public domain airborne electromagnetic data, interior Alaska

FastTIMES
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Abstract

The Alaska Division of Geological & Geophysical Surveys (DGGS) airborne electromagnetic (AEM) data are an excellent resource for permafrost characterization. AEM data can be used for pingo identification, estimating permafrost thickness, estimating surface talik thickness, evaluating permafrost health (temperature), talik identification and more. Data examples are shown from discontinuous permafrost areas just north of Fairbanks, Alaska, USA. Interpretations are made from 2D and 3D resistivity models created from 1D inversions of the Goldstream Valley AEM survey data (Emond, 2018a).

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Publication type Article
Publication Subtype Journal Article
Title Permafrost characterization and feature identification using public domain airborne electromagnetic data, interior Alaska
Series title FastTIMES
Volume 26
Issue 3
Year Published 2021
Language English
Publisher Environmental and Engineering Geophysical Society
Contributing office(s) Geology, Geophysics, and Geochemistry Science Center
Country United States
State Alaska
Other Geospatial Goldstream Valley
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