Results 111 to 120 of about 4,605 (227)

Methane production controls in a young thermokarst lake formed by abrupt permafrost thaw. [PDF]

open access: yesGlob Chang Biol, 2022
Pellerin A   +7 more
europepmc   +1 more source

Thermokarst lakes expand and drain laterally as permafrost degrades [PDF]

open access: yesEos, Transactions American Geophysical Union, 2011
In Arctic regions, thermokarst lakes form and expand from thawing permafrost or melting of ice. However, as lakes expand they have a tendency to drain laterally. Jones et al. surveyed the extent of thermokarst lakes in the continuous permafrost zone in the Cape Espenberg lowland of northwestern Alaska's Seward Peninsula using high‐resolution remote ...
openaire   +1 more source

Transitions in Arctic ecosystems: ecological implications of a changing hydrological regime [PDF]

open access: yes, 2016
Numerous international scientific assessments and related articles have, during the last decade, described the observed and potential impacts of climate change as well as other related environmental stressors on Arctic ecosystems.
Culp, Joseph M.   +8 more
core   +2 more sources

Periphytic diatom community structure in thermokarst ecosystems of Nunavik (Québec, Canada)

open access: yesArctic Science, 2018
Climate change is causing rapid permafrost degradation across Arctic and subarctic regions, resulting in changes in the size, abundance, and structure of thermokarst (thaw) ponds and lakes.
Frédéric Bouchard   +5 more
doaj   +1 more source

The evolution of methane production rates from young to mature thermokarst lakes [PDF]

open access: yesBiogeosciences
Thermokarst lakes, formed by permafrost thaw in the Arctic, are hotspots for methane (CH4) and carbon dioxide (CO2) emissions and are expected to double permafrost carbon emissions by the end of the century.
Y. Gerera   +6 more
doaj   +1 more source

Vocabulaire périglaciaire bilingue [PDF]

open access: yes, 1962
A considerable lack of agreement exists, particularly between French and English-speaking geomorphologists, on the precise use of many periglacial terms, and up to the presenty there bas been little correlation of the periglacial terminology of these two
Clibbon, Peter, Hamelin, Louis-Edmond
core   +1 more source

Simulation and Prediction of Thermokarst Lake Surface Temperature Changes on the Qinghai–Tibet Plateau

open access: yesRemote Sensing
Thermokarst lakes are shallow bodies of freshwater that develop in permafrost regions, and they are an essential focus of international permafrost research.
Chengming Zhang   +7 more
doaj   +1 more source

Supervolcanoes Within an Ancient Volcanic Province in Arabia Terra, Mars [PDF]

open access: yes, 2013
Several irregularly shaped craters located within Arabia Terra, Mars represent a new type of highland volcanic construct and together constitute a previously unrecognized martian igneous province.
A Gendrin   +49 more
core   +2 more sources

Application of the Red Edge Water Index for Extracting Thermokarst Lakes and Detecting Drainage Events on the Qinghai–Tibet Plateau

open access: yesAtmosphere
Thermokarst lakes play a crucial role in regulating hydrological, ecological, and biogeochemical processes in permafrost regions. However, due to the limited spatial resolution of earlier satellite imagery, small thermokarst lakes—highly sensitive to ...
Tiantian Li   +6 more
doaj   +1 more source

Identification of a Threshold Minimum Area for Reflectance Retrieval from Thermokarst Lakes and Ponds Using Full-Pixel Data from Sentinel-2

open access: yesRemote Sensing, 2019
Thermokarst waterbodies caused by permafrost thawing and degradation are ubiquitous in many subarctic and Arctic regions. They are globally important components of the biogeochemical carbon cycle and have potential feedback effects on climate.
Pedro Freitas   +4 more
doaj   +1 more source

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