Results 31 to 40 of about 4,329 (214)

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

A fully automatic framework for sub-pixel mapping of thermokarst lakes using Sentinel-2 images

Science of Remote Sensing, 2023
Mapping and monitoring thermokarst lakes are crucial to understanding the impact of climate change on permafrost regions and quantifying permafrost-related carbon emissions. Several automatic methods based on remote sensing images have been developed for
Yuanyuan Qin, Chengyuan Zhang, Ping Lu
doaj   +1 more source

Typical thermokarst alters soil organic carbon fractions controlled by soil water content in the Qinghai–Tibet Plateau

Ecological Indicators
The ongoing climate warming has accelerated permafrost thaw worldwide, resulting in rapid thermokarst development. However, a comprehensive quantification of the responses of soil organic carbon (SOC) fractions to thermokarst development is still lacking.
Ruizhe Wang, Xia Hu
doaj   +1 more source

Machine Learning and Morphometric Analysis for Evaluating the Vulnerability of Tundra Landscapes to Thermokarst Hazards in the Lena Delta: A Case Study of Arga Island

GeoHazards
Analyses of thermokarst hazard risk are becoming increasingly crucial in the context of global warming. A significant aspect of thermokarst research is the mapping of landscapes based on their vulnerability to thermokarst processes.
Andrei Kartoziia
doaj   +1 more source

Evolution of thermokarst in East Siberian ice-rich permafrost

, 2013
Thermokarst lakes and basins are major components of ice-rich permafrost landscapes in East Siberian coastal lowlands and are regarded as indicators of regional climatic changes.
Irina Fedorova (6975533), Julia Boike (6972533), Morgenstern, Anne, Ulrich, Mathias, Natalya A Rudaya (8012660), Günther, Frank, Sebastian Roessler (8012654), Lutz Schirrmeister (6961397), Wetterich, Sebastian, Schirrmeister, Lutz, Boike, Julia, Fedorova, Irina V, Frank Günther (6976145), Roessler, Sebastian, Mathias Ulrich (7308557), Anne Morgenstern (6976316), Rudaya, Natalia, Sebastian Wetterich (6961394)   +17 more
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Examining thermokarst initiation with random forest models [PDF]

, 2020
Master's Project (M.S.) University of Alaska Fairbanks, 2020This project examines thermokarst initiation through the application of random forest models. Thermokarst initiation marks the start of the formation of thermokarst features.
Spicer, Rawser W.
core  

Panarctic lakes exerted a small positive feedback on early Holocene warming due to deglacial release of methane

Communications Earth & Environment, 2023
Climate-driven permafrost thaw can release ancient carbon to the atmosphere, begetting further warming in a positive feedback loop. Polar ice core data and young radiocarbon ages of dissolved methane in thermokarst lakes have challenged the importance of
L. S. Brosius, K. M. Walter Anthony, C. C. Treat, M. C. Jones, M. Dyonisius, G. Grosse   +5 more
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Table S4: GDGT data of yedoma and thermokarst deposits in Baldwin Peninsula, West-Alaska

, 2018
Table S4: GDGT data of yedoma and thermokarst deposits in Baldwin Peninsula, West ...
Strauss, Jens, Peterse, Francien, Fuchs, Matthias, Mangelsdorf, Kai, Grosse, Guido, Guido Grosse (6885275), Loeka L Jongejans (7466741), Josefine Lenz (6967892), Francien Peterse (6970094), Kai Mangelsdorf (6967904), Lenz, Josefine, Matthias Fuchs (6885269), Jongejans, Loeka Laura, Jens Strauss (6885281)   +13 more
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Accelerated Thermokarst Formation in the McMurdo Dry Valleys, Antarctica [PDF]

, 2013
Thermokarst is a land surface lowered and disrupted by melting ground ice. Thermokarst is a major driver of landscape change in the Arctic, but has been considered to be a minor process in Antarctica.
Okal, Marianne, Fountain, Andrew G., Watters, Jaclyn, Levy, Joseph S., Dickson, James L., Head, James W., Marchant, David R.   +6 more
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Susceptibility Modeling and Potential Risk Analysis of Thermokarst Hazard in Qinghai–Tibet Plateau Permafrost Landscapes Using a New Interpretable Ensemble Learning Method

Atmosphere
Climate change is causing permafrost in the Qinghai–Tibet Plateau to degrade, triggering thermokarst hazards and impacting the environment. Despite their ecological importance, the distribution and risks of thermokarst lakes are not well understood due ...
Yuting Yang, Jizhou Wang, Xi Mao, Wenjuan Lu, Rui Wang, Hao Zheng   +5 more
doaj   +1 more source