Results 181 to 190 of about 4,444 (222)

DARTS: Multi-year database of AI-detected retrogressive thaw slumps in the circum-arctic permafrost region. [PDF]

Sci Data
Nitze I, Heidler K, Nesterova N, Küpper J, Schütt E, Hölzer T, Barth S, Lara MJ, Liljedahl AK, Grosse G.   +9 more
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Biogeochemical interactions in thermokarst lakes: investigations into methane processes and lake biota

, 2015
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Freshwater ponds create highly dynamic Arctic tundra landscapes

Assmann J, Akandil C, Plekhanova E, Moigne AL, Karsanaev S, Maximov T, Schaepman-Strub G.   +6 more
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Lakes as geoindicators of thermokarst landscape changes following wildfires

Environmental Monitoring and Assessment
Rapid landscape changes in the Arctic are occurring at an accelerated rate. The most common disturbances that cover the largest areas of the Arctic are wildfires. It is well known that lakes serve as a good proxy for identifying thermokarst processes. However, the impact of fires is often overlooked in analyses of lake dynamics.
Piotr, Janiec, Jakub, Nowosad, Zbigniew, Zwoliński   +2 more
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Stochastic modelling of thermokarst lake distributions

Thermokarst lakes are among the most common and dynamic landscape features in ice-rich permafrost regions. They form due to melting of ground ice and subsequent ground subsidence. Their presence and dynamic behavior do not only influence the carbon exchange with the atmosphere by accelerating permafrost thaw and facilitating the production of methane ...
Constanze Reinken, Victor Brovkin, Philipp de Vrese, Ingmar Nitze, Helena Bergstedt   +4 more
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Thermokarst lake to lagoon transitions in Eastern Siberia

2020
As the Arctic coast erodes, it drains thermokarst lakes, transforming them into lagoons, and, eventually, integrates them into subsea permafrost. Lagoons represent the first stage of a thermokarst lake transition to a marine setting and possibly more saline and colder upper boundary conditions.
Angelopoulos, Michael (Dr.), Overduin, Pier Paul (Dr.), Westermann, Sebastian, Tronicke, Jens (Prof. Dr.), Strauss, Jens, Schirrmeister, Lutz (Dr.), Biskaborn, Boris (Prof.), Liebner, Susanne (Prof. Dr.), Maksimov, Georgii, Grigoriev, Mikhail N., Grosse, Guido (Prof. Dr.)   +10 more
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Rapid climatic events as recorded in Middle Weichselian thermokarst lake sediments

Quaternary Science Reviews, 2008
From a Middle Weichselian sediment sequence in the opencast brown coal mine of Reichwalde (eastern Germany), a ∼40 cm thick thermokarst gyttja deposit has been sampled.
Bohncke, S. J. P., Bos, J. A. A., Engels, S., Heiri, O., Kasse, C.   +4 more
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Consistent patterns of the size distribution of thermokarst lakes

Doklady Earth Sciences, 2017
The purpose of this work is to study empirically the patterns of size distribution of thermokarst lakes within lacustrine thermokarst plains. Investigations were performed at 16 sites with various geomorphological, geocryological, and physical geographical conditions (Kolyma Lowland, Western Siberia, Lena River valley, Alaska).
A. S. Viktorov, V. N. Kapralova, T. V. Orlov, O. N. Trapeznikova, M. V. Arkhipova, P. V. Berezin, A. V. Zverev, E. N. Panchenko, S. A. Sadkov   +8 more
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Observing a Catastrophic Thermokarst Lake Drainage in Northern Alaska

Permafrost and Periglacial Processes, 2015
AbstractThe formation and drainage of thermokarst lakes have reshaped ice‐rich permafrost lowlands in the Arctic throughout the Holocene. North of Teshekpuk Lake, on the Arctic Coastal Plain of northern Alaska, thermokarst lakes presently occupy 22.5% of the landscape, and drained thermokarst lake basins occupy 61.8%.
Benjamin M. Jones, Christopher D. Arp
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The importance of anaerobic oxidation of methane in thermokarst lakes

2023
About 40% of the annual methane emissions originate from natural, non-anthropogenic sources. These include mainly freshwater sediments, in which significant increase in methane emissions has been observed throughout the past decades with the ongoing global temperature rise.
Orit Sivan, André Pellerin, Noam Lotem, Efrat Eilani Russak, Yarden Gerera, Katey Walter-Anthony   +5 more
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