Results 41 to 50 of about 854,536 (203)

Comparison of hydrogeochemical characteristics of thermokarst lake water in the Qinghai–Tibet Plateau under active layer freeze–thaw conditions

open access: yesJournal of Water and Climate Change, 2022
With the gradual increase of global temperature, thermokarst lakes are widely developed and become major environmental disasters in the Tundra Plateau which have impacted the stability of the project such as the Qinghai–Tibetan highway.
Yahong Fang   +4 more
doaj   +1 more source

High resolution seismic and ground penetrating radar-geophysical profiling of a thermokarst lake in the western Lena Delta, Northern Siberia [PDF]

open access: yes, 2002
High resolution seismic and ground-penetrating radar (GPR) have been acquired over Lake Nikolay in the western Lena Delta (Siberia) in order to study the uppermost basin fill and the bordering frozen margins. GPR measurements were completed on the frozen
Dix, J.K.   +7 more
core   +1 more source

Simulating thermokarst lakes [PDF]

open access: yesEos, 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

Thermokarst-lake-basin sediments, Tuktoyaktuk Coastlands, western arctic Canada

open access: yes, 1996
Three stages of deposition are distinguished in thermokarst-lake-basin sequences in ice-rich permafrost of the Tuktoyaktuk Coastlands, western arctic Canada: (1) widespread retrogressive thaw slumping around lake margins that rapidly transports upland ...
Julian Murton (4460746)
core   +2 more sources

Dissolved organic carbon content in thawed sediments underneath a Yedoma and Alas thermokarst lake in Eastern Siberia

open access: yes, 2021
This dataset describes two 17 m long sediment cores taken from beneath two thermokarst lakes in the Yukechi Alas, Central Yakutia, Russia. The first core was taken from below an Alas thermokarst lake (YU-L7; 61.76397°N, 130.46442°E) and the second core ...
Liebner, Susanne   +4 more
core   +1 more source

Grain size distribution of sediment core PG2412 beneath thermokarst lake Goltsovoye Lake on the Bykovsky Pensinula, northeastern Siberia

open access: yes, 2020
These datasets describe a 31.5 m long sediment core taken from beneath thermokarst lake Goltsovoye Lake (71.74515 N, 129.30217 E) on the Bykovsky Peninsula, northeastern Siberia. The thermokarst lake was 510 cm deep.
Strauss, Jens   +2 more
core   +1 more source

Microbial assemblages in Arctic coastal thermokarst lakes and lagoons. [PDF]

open access: yesFEMS Microbiol Ecol
Abstract 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   +5 more sources

Thermokarst-lake methanogenesis along a complete talik (thaw bulb) profile [PDF]

open access: yes, 2016
Thermokarst (thaw) lakes emit methane (CH4) to the atmosphere, with the carbon (C) originating from terrestrial sources such as the Holocene soils of the lakes’ watersheds, thaw of Holocene- and Pleistoceneaged permafrost soil beneath and surrounding the
Martínez Cruz, Karla C.   +6 more
core   +1 more source

Impact of Meteorological Factors on Thermokarst Lake Changes in the Beilu River Basin, Qinghai-Tibet Plateau, China (2000–2016)

open access: yes, 2021
Variations in weather conditions have a significant impact on thermokarst lakes, such as the sub-lake permafrost thawing caused by global warming. Based on the analysis of Landsat sensor images by ENVI TM 5.3 software, the present study quantitatively ...
Zixuan Ni, Xiangfei Lü, Guanwen Huang
core   +1 more source

Mapping thermokarst lakes in different physical states on the central Tibetan plateau

open access: yesInternational 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

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