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Alaskan Permafrost Groundwater Storage Changes Derived from GRACE and Ground Measurements

Dates

Year
2011

Citation

Muskett, Reginald R., and Romanovsky, Vladimir E., 2011, Alaskan Permafrost Groundwater Storage Changes Derived from GRACE and Ground Measurements: Remote Sensing, v. 3, no. 2, p. 378-397.

Summary

The Arctic is in transition from climate-driven thawing of permafrost. We investigate satellite-derived water equivalent mass changes, snow water equivalent with in situ measurements of runoff and ground-survey derived geoid models from 1999 through 2009. The Alaskan Arctic coastal plain groundwater storage (including wetland bog, thaw pond and lake) is increasing by 1.15 ± 0.65 km3/a (area-average 1.10 ± 0.62 cm/a), and Yukon River watershed groundwater storage is decreasing by 7.44 ± 3.76 km3/a (area‑average 0.79 ± 0.40 cm/a). Geoid changes show increases within the Arctic coastal region and decreases within the Yukon River watershed. We hypothesize these changes are linked to the development of new predominately closed- and possibly [...]

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  • Northwest Boreal Landscape Conservation Cooperative

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NWBLCC20160627

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.3390/rs3020378
ISSN http://sciencebase.gov/vocab/identifierScheme 20724292

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