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Distribution and biophysical processes of beaded streams in Arctic permafrost landscapes

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2015-01-06
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2015-01-06

Citation

LCC Network Data Steward(Point of Contact), Arctic Landscape Conservation Cooperative(administrator), Christopher D. Arp, PhD(Principal Investigator), 2015-01-06(Publication), Distribution and biophysical processes of beaded streams in Arctic permafrost landscapes, http://arcticlcc.org/products/ef93f249-be34-4b61-b777-8675151892f6, https://www.sciencebase.gov/catalog/item/5a0ae5a6e4b09af898cb5fb0

Summary

Beaded streams are widespread in permafrost regionsand are considered a common thermokarst landform.However, little is known about their distribution, how andunder what conditions they form, and how their intriguingmorphology translates to ecosystem functions and habitat.Here we report on a circum-Arctic survey of beaded streamsand a watershed-scale analysis in northern Alaska using remotesensing and field studies.We mapped over 400 channelnetworks with beaded morphology throughout the continuouspermafrost zone of northern Alaska, Canada, and Russiaand found the highest abundance associated with mediumto high ground-ice content permafrost in moderately slopingterrain. In one Arctic coastal plain watershed, beaded streamsaccounted for [...]

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urn:uuid urn:uuid ef93f249-be34-4b61-b777-8675151892f6

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languageeng

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