Water Body Distributions Across Scales: A Remote Sensing Based Comparison of Three Arctic Tundra Wetlands [PDF]
, 2013 Water bodies are ubiquitous features in Arctic wetlands. Ponds, i.e., waters with a surface area smaller than 104 m2, have been recognized as hotspots of biological activity and greenhouse gas emissions but are not well inventoried.
Abnizova, Anna +3 more
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Carbon emission from thermokarst lakes in
Limnology and Oceanography, 2020 AbstractEmission of greenhouse gases (GHGs) from inland waters is recognized as highly important and an understudied part of the terrestrial carbon (C) biogeochemical cycle. These emissions are still poorly quantified in subarctic regions that contain vast amounts of surface C in permafrost peatlands.
Zabelina, Svetlana +11 more
openaire +4 more sources
A new Stefan equation to characterize the evolution of thermokarst lake and talik geometry [PDF]
The Cryosphere, 2022 Thermokarst lake dynamics, which play an essential role in carbon release due to permafrost thaw, are affected by various geomorphological processes. In this study, we derive a three-dimensional (3D) Stefan equation to characterize talik geometry under a
N. Ohara +10 more
doaj +1 more source
Simulating thermokarst lakes [PDF]
Eos, Transactions American Geophysical Union, 2012 Thermokarst lakes, which form from thawing permafrost, alter landscapes and hydrology and can release significant amounts of methane to the atmosphere. To learn more about the dynamics of thermokarst lakes, Kessler et al. created a three‐dimensional numerical model of these lakes that includes the surrounding topography.
openaire +2 more sources
Microbial assemblages in Arctic coastal thermokarst lakes and lagoons. [PDF]
FEMS Microbiol EcolAbstract Several studies have investigated changes in microbial community composition in thawing permafrost landscapes, but microbial assemblages in the transient ecosystems of the Arctic coastline remain poorly understood. Thermokarst lakes, abrupt permafrost thaw features, are widespread along the pan-Arctic coast and transform into ...
Yang S +6 more
europepmc +6 more sources
Eastern Beringia and beyond: Late Wisconsinan and Holocene landscape dynamics along the Yukon Coastal Plain, Canada [PDF]
, 2012 Terrestrial permafrost archives along the Yukon Coastal Plain (northwest Canada) have recorded landscape development and environmental change since the Late Wisconsinan at the interface of unglaciated Beringia (i.e.
Fritz, Michael +6 more
core +1 more source
Thermokarst lakes increased atmospheric methane levels [PDF]
Eos, Transactions American Geophysical Union, 2012 Ice cores taken from Greenland indicate that during the last deglaciation, approximately 10,000 years ago, increases in temperature occurred at the same times as increases in atmospheric methane, a potent greenhouse gas. The source of the increase in atmospheric methane is still debated, but it has been suggested that thermokarst lakes, which form from
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High carbon emissions from thermokarst lakes of Western Siberia [PDF]
Nature Communications, 2019 AbstractThe Western Siberia Lowland (WSL), the world’s largest permafrost peatland, is of importance for understanding the high-latitude carbon (C) cycle and its response to climate change. Warming temperatures increase permafrost thaw and production of greenhouse gases.
S. Serikova +6 more
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Mapping thermokarst lakes in different physical states on the central Tibetan plateau
International Journal of Digital Earth, 2023 Mapping and monitoring the spatial–temporal evolution of thermokarst lakes on the Tibetan Plateau can significantly contribute to the estimation of climate change impacts on permafrost degradation.
Yuanyuan Qin, Ping Lu, Jicang Wu
doaj +1 more source
Differences in behavior and distribution of permafrost-related lakes in Central Yakutia and their response to climatic drivers [PDF]
, 2017 The Central Yakutian permafrost landscape is rapidly being modified by land use and global warming, but small-scale thermokarst process variability and hydrological conditions are poorly understood.
Aré F. E. +7 more
core +1 more source