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Yukon River Basin, Active Layer Network: Active Layer Depth Measurements

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 18, 2025 | Last Modified: 20200831
This dataset includes active layer depth measurements made annually at Active Layer Networks across the Yukon River Basin in Alaska and Canada. Active layer depth measurements are made using a calibrated metal rod pushed into the soil until permafrost is reached. Each network location consists of a 45 meter by 45 meter grid, measurements are made annually at the time of maximum active layer thaw in late summer in five meter intervals for a total of 100 measurements at each grid.

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