Saline permafrost degradation below a shallow thermokarst lake in northern Alaska, 2008-2023 ...

This dataset supports the findings of the research paper submitted to the journal Geophysical Research Letters that documents the rapid thaw of saline permafrost below a shallow thermokarst lake near Utqiagvik, Alaska. The lake, East Twin Lake, is located in the Barrow Environmental Observatory. We...

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Bibliographic Details
Main Authors: Jones, Benjamin, Kanevskiy, Mikhail, Parsekian, Andrew, Bergstedt, Helena, Ward Jones, Melissa, Rangel, Rodrigo, Hinkel, Kenneth, Shur, Yuri
Format: Dataset
Language:English
Published: NSF Arctic Data Center 2023
Subjects:
Arctic
Geophysics
FOS Earth and related environmental sciences
Remote Sensing
Saline Permafrost
Thermokarst Lakes
Barrow
permafrost
Thermokarst
Alaska
Online Access:https://dx.doi.org/10.18739/a20p0ws3k
https://arcticdata.io/catalog/view/doi:10.18739/A20P0WS3K
Description
Summary:This dataset supports the findings of the research paper submitted to the journal Geophysical Research Letters that documents the rapid thaw of saline permafrost below a shallow thermokarst lake near Utqiagvik, Alaska. The lake, East Twin Lake, is located in the Barrow Environmental Observatory. We conducted repeat drilling-based surveys at East Twin Lake in the Barrow Environmental Observatory near Utqiagvik, Alaska between 2008 and 2023. These field data were integrated with transient electromagnetic (TEM) near-surface geophysics soundings in 2016 and 2022 and analysis of a time-series of wintertime Synthetic Aperture Radar (SAR) satellite imagery from 2015 to 2023 to assess changes in lake and sub-lake properties. Finally, we assessed the impact of thawing saline permafrost on shore erosion by quantifying a regime shift in the lateral expansion rate of East Twin Lake between 1948 and 2022. The datasets consist of a CSV file with the point measurements from the drilling campaign, processed TEM data along ...

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