Methane emissions from northern lakes under climate change: a review

Abstract Northern lakes are important sources of CH4 in the atmosphere under the background of permafrost thaw and winter warming. We synthesize studies on thermokarst lakes, including various carbon sources for CH4 emission and the influence of thermokarst drainage on carbon emission, to show the e...

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Main Authors: Lingling Li, Bin Xue
Format: Article
Language:English
Published: Springer 2021-11-01
Series:SN Applied Sciences
Subjects:
Online Access:https://doi.org/10.1007/s42452-021-04869-x
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author Lingling Li
Bin Xue
author_facet Lingling Li
Bin Xue
author_sort Lingling Li
collection DOAJ
description Abstract Northern lakes are important sources of CH4 in the atmosphere under the background of permafrost thaw and winter warming. We synthesize studies on thermokarst lakes, including various carbon sources for CH4 emission and the influence of thermokarst drainage on carbon emission, to show the evasion potential of ancient carbon that stored in the permafrost and CH4 emission dynamics along with thermokarst lake evolution. Besides, we discuss the lake CH4 dynamics in seasonally ice-covered lakes, especially for under-ice CH4 accumulation and emission during spring ice melt and the possible influential factors for CH4 emission in ice-melt period. We summarize the latest findings and point out that further research should be conducted to investigate the possibility of abundant ancient carbon emission from thermokarst lakes under climate warming and quantify the contribution of ice-melt CH4 emission from northern lakes on a large scale.
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spelling doaj.art-1ca29a40c90b4e78b88418287a92d7ed2022-12-21T21:23:50ZengSpringerSN Applied Sciences2523-39632523-39712021-11-0131211210.1007/s42452-021-04869-xMethane emissions from northern lakes under climate change: a reviewLingling Li0Bin Xue1College of Urban Resource and Environmental Sciences, Jiangsu Second Normal UniversityState Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of SciencesAbstract Northern lakes are important sources of CH4 in the atmosphere under the background of permafrost thaw and winter warming. We synthesize studies on thermokarst lakes, including various carbon sources for CH4 emission and the influence of thermokarst drainage on carbon emission, to show the evasion potential of ancient carbon that stored in the permafrost and CH4 emission dynamics along with thermokarst lake evolution. Besides, we discuss the lake CH4 dynamics in seasonally ice-covered lakes, especially for under-ice CH4 accumulation and emission during spring ice melt and the possible influential factors for CH4 emission in ice-melt period. We summarize the latest findings and point out that further research should be conducted to investigate the possibility of abundant ancient carbon emission from thermokarst lakes under climate warming and quantify the contribution of ice-melt CH4 emission from northern lakes on a large scale.https://doi.org/10.1007/s42452-021-04869-xCH4 emissionNorthern lakesPermafrost thawIce coverageClimate change
spellingShingle Lingling Li
Bin Xue
Methane emissions from northern lakes under climate change: a review
SN Applied Sciences
CH4 emission
Northern lakes
Permafrost thaw
Ice coverage
Climate change
title Methane emissions from northern lakes under climate change: a review
title_full Methane emissions from northern lakes under climate change: a review
title_fullStr Methane emissions from northern lakes under climate change: a review
title_full_unstemmed Methane emissions from northern lakes under climate change: a review
title_short Methane emissions from northern lakes under climate change: a review
title_sort methane emissions from northern lakes under climate change a review
topic CH4 emission
Northern lakes
Permafrost thaw
Ice coverage
Climate change
url https://doi.org/10.1007/s42452-021-04869-x
work_keys_str_mv AT linglingli methaneemissionsfromnorthernlakesunderclimatechangeareview
AT binxue methaneemissionsfromnorthernlakesunderclimatechangeareview