Results 131 to 140 of about 4,444 (222)

Using crushed-rock structures to improve the stability of embankment affected by thermokarst lakes in the warm permafrost region of Siberia

open access: yesCase Studies in Thermal Engineering
Thermokarst lakes are severely weakening the stability of embankments in the warm permafrost region of Siberia. To mitigate their adverse effects, two crushed-rock embankments and the filled thermokarst lakes with crushed rock are used to cool ...
Kun Xiang   +5 more
doaj   +1 more source

Present-day permafrost carbon feedback from thermokarst lakes

open access: yes, 2016
Rapid temperature rise during recent decades (IPCC 2013) is causing permafrost in the Arctic to warm and thaw. This thaw exposes previously frozen soil organic carbon (SOC) to microbial decomposition, generating greenhouse gases methane (CH4) and carbon dioxide (CO2) in a feedback process that leads to further warming and thaw.
Walter Anthony, Katey M.   +6 more
openaire   +1 more source

Обобщенное распределение площадей малых озер в криолитозоне Западной Сибири по космическим снимкам высокого разрешения [PDF]

open access: yes, 2016
Актуальность работы обусловлена необходимостью уточнения вида закона распределения размеров озер для оценки эмиссии метана из малых термокарстовых озер на обширных территориях криолитозоны.
Богданов, Александр Николаевич   +3 more
core  

The impact of lateral heat and water fluxes from thermokarst lakes on tundra landscape dynamics and permafrost degradation [PDF]

open access: yes, 2018
Projected future warming of the Arctic will result in pronounced degradation of permafrost and thereby trigger large-scale landscape and ecosystem changes.
Jacobi, Stephan   +4 more
core  

Organic carbon stored in a thermokarst affected landscape on Baldwin Peninsula, Alaska [PDF]

open access: yes, 2018
As Arctic warming continues and permafrost degrades, more organic carbon (OC) will be decomposed in high northern latitudes. Still, uncertainties remain in the quality and quantity of OC stored in permafrost.
Fuchs, Matthias   +6 more
core  

A study of the large-scale climatic effects of a possible disappearance of high-latitude inland water surfaces during the 21st centurys [PDF]

open access: yes, 2010
This study evaluates the climatic impact of possible future changes in high-latitude inland water surface (IWS) area. We carried out a set of climate-change experiments with an atmospheric general circulation model in which different scenarios of future ...
Boike, Julia, Krinner, Gerhard
core   +2 more sources

News from members: New Zealand [PDF]

open access: yes, 2009
This year we are celebrating 50 years since the first soil/ permafrost scientific expedition in the Ross Sea Region of Antarctica. It was undertaken by Prof. John D. McCraw and Dr Graeme G. Claridge.
Balks, Megan R.
core   +1 more source

Massive concentrations of old dissolved organic carbon from Yedoma thaw in lakes in Siberia

open access: yesCommunications Earth & Environment
Understanding the impacts of permafrost thawing on the carbon cycle requires a closer look at the proportion of dissolved and particulate organic carbon released upon thaw, and the magnitude of its conversion into greenhouse gases, which remain ...
Sarah Ollivier   +7 more
doaj   +1 more source

Opening Pandora's Box: Neglected Biochemical Potential of Permafrost-Associated Fungal Communities in a Warming Climate. [PDF]

open access: yesJ Fungi (Basel), 2023
Masigol H   +7 more
europepmc   +1 more source

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