Methane content in the upper permafrost and active layer of Western Yamal, Russian Arctic

Авторы: Streletskaya Irina D., Vasiliev Alexander A., Oblogov Gleb E.
Сборник: Landscape Science and Landscape Ecology:Considering Responses to Global Challenges. 1 st International IALE-Russia online conference Moscow 14-18 September 2020 Book of Abstracts
Тезисы
Год издания: 2020
Место издания: Lomonosov Moscow State University Moscow
Первая страница: 82
Последняя страница: 82
Аннотация: Methane concentration in ground ice and frozen Quaternary sediments of the Kara Sea regionhas a substantial variability. Methane content in the active layer of different dominant landscapesof typical tundra is extremely variable too. High methane concentrations are found in marine clayswith the presence of Massive Tabular Ground Ice (MTGI). The sands which freeze simultaneouslywith sedimentation have lower methane concentrations. High concentrations of methane inpermafrost is attributed to migration and conservation of methane in ice bubbles under advancingfreezing fronts, which is supported by the isotopic content of methane.
Добавил в систему: Стрелецкая Ирина Дмитриевна

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