Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate
Shallow lakes and ponds may cover up to 40 percent of the land surface in Arctic lowland regions. Many of these water bodies traditionally freeze solid during the winter, preserving sub-lake permafrost and keeping soil carbon stocks immobile at depth. Slightly deeper lakes maintain some liquid water...
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Arctic Data Center
2018
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dataone:urn:uuid:d5720555-bd91-4a6c-941b-c4a48a58d38a 2024-06-03T18:46:33+00:00 Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate Andrew Parsekian Andrea Creighton Benjamin Jones Christopher Arp North Slope, Alaska ENVELOPE(-156.8981,-151.3556,71.2742,69.2217) BEGINDATE: 2015-04-15T00:00:00Z ENDDATE: 2017-04-10T00:00:00Z 2018-01-01T00:00:00Z https://search.dataone.org/view/urn:uuid:d5720555-bd91-4a6c-941b-c4a48a58d38a unknown Arctic Data Center geophysics lake ice surface nuclear magnetic resonance permafrost thermokarst hydrogeophysics transient electromagnetic time domain electromagnetic Dataset 2018 dataone:urn:node:ARCTIC 2024-06-03T18:11:22Z Shallow lakes and ponds may cover up to 40 percent of the land surface in Arctic lowland regions. Many of these water bodies traditionally freeze solid during the winter, preserving sub-lake permafrost and keeping soil carbon stocks immobile at depth. Slightly deeper lakes maintain some liquid water beneath floating ice, causing deep thaw zones in otherwise continuous permafrost. Evidence suggests that thinner ice growth in response to warmer, snowier winters is pushing many bedfast ice lakes to floating ice regimes. If such a regime shift becomes pervasive across lake-rich landscapes, resulting permafrost thaw and enhanced moisture and heat flux could generate positive feedbacks, further amplifying this regime change. This project examines the extent and dynamics of bedfast and floating ice lakes in relation to hypothesized interactions and feedback with permafrost and climate. A combination of remote sensing, field monitoring and geophysical measurements, experiments and physical models are used to isolate processes, quantify interactions and project changes. Project findings will be relevant locally for native village subsistence and for water supply to the petroleum industry, and globally for scientists studying permafrost thaw and Arctic climate change. Dataset Arctic Climate change Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate Ice north slope permafrost Thermokarst Alaska Arctic Data Center (via DataONE) Arctic Ice Lakes ENVELOPE(-131.345,-131.345,60.413,60.413) ENVELOPE(-156.8981,-151.3556,71.2742,69.2217) |
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Open Polar |
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Arctic Data Center (via DataONE) |
op_collection_id |
dataone:urn:node:ARCTIC |
language |
unknown |
topic |
geophysics lake ice surface nuclear magnetic resonance permafrost thermokarst hydrogeophysics transient electromagnetic time domain electromagnetic |
spellingShingle |
geophysics lake ice surface nuclear magnetic resonance permafrost thermokarst hydrogeophysics transient electromagnetic time domain electromagnetic Andrew Parsekian Andrea Creighton Benjamin Jones Christopher Arp Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate |
topic_facet |
geophysics lake ice surface nuclear magnetic resonance permafrost thermokarst hydrogeophysics transient electromagnetic time domain electromagnetic |
description |
Shallow lakes and ponds may cover up to 40 percent of the land surface in Arctic lowland regions. Many of these water bodies traditionally freeze solid during the winter, preserving sub-lake permafrost and keeping soil carbon stocks immobile at depth. Slightly deeper lakes maintain some liquid water beneath floating ice, causing deep thaw zones in otherwise continuous permafrost. Evidence suggests that thinner ice growth in response to warmer, snowier winters is pushing many bedfast ice lakes to floating ice regimes. If such a regime shift becomes pervasive across lake-rich landscapes, resulting permafrost thaw and enhanced moisture and heat flux could generate positive feedbacks, further amplifying this regime change. This project examines the extent and dynamics of bedfast and floating ice lakes in relation to hypothesized interactions and feedback with permafrost and climate. A combination of remote sensing, field monitoring and geophysical measurements, experiments and physical models are used to isolate processes, quantify interactions and project changes. Project findings will be relevant locally for native village subsistence and for water supply to the petroleum industry, and globally for scientists studying permafrost thaw and Arctic climate change. |
format |
Dataset |
author |
Andrew Parsekian Andrea Creighton Benjamin Jones Christopher Arp |
author_facet |
Andrew Parsekian Andrea Creighton Benjamin Jones Christopher Arp |
author_sort |
Andrew Parsekian |
title |
Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate |
title_short |
Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate |
title_full |
Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate |
title_fullStr |
Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate |
title_full_unstemmed |
Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate |
title_sort |
collaborative research: ice regime shifts of arctic lakes drive interactions and feedbacks with permafrost and climate |
publisher |
Arctic Data Center |
publishDate |
2018 |
url |
https://search.dataone.org/view/urn:uuid:d5720555-bd91-4a6c-941b-c4a48a58d38a |
op_coverage |
North Slope, Alaska ENVELOPE(-156.8981,-151.3556,71.2742,69.2217) BEGINDATE: 2015-04-15T00:00:00Z ENDDATE: 2017-04-10T00:00:00Z |
long_lat |
ENVELOPE(-131.345,-131.345,60.413,60.413) ENVELOPE(-156.8981,-151.3556,71.2742,69.2217) |
geographic |
Arctic Ice Lakes |
geographic_facet |
Arctic Ice Lakes |
genre |
Arctic Climate change Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate Ice north slope permafrost Thermokarst Alaska |
genre_facet |
Arctic Climate change Collaborative Research: Ice Regime Shifts of Arctic Lakes Drive Interactions and Feedbacks with Permafrost and Climate Ice north slope permafrost Thermokarst Alaska |
_version_ |
1800867835954593792 |