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Open AccessArticle

Gas Emission Craters and Mound-Predecessors in the North of West Siberia, Similarities and Differences

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Cryolithology and Glaciology Department, Faculty of Geography, Lomonosov Moscow State University, 119991 Moscow, Russia
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Earth Cryosphere Institute Tyumen Scientific Centre SB RAS, 625000 Tyumen, Russia
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Cartography and Geoinformatics Department, Faculty of Geography, Lomonosov Moscow State University, 119991 Moscow, Russia
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SCANEX Group, 121059 Moscow, Russia
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OpenWeatherMap, Inc., Lake Success, NY 11042, USA
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Agrarian-Technological Institute, Peoples’ Friendship University of Russia, 117198 Moscow, Russia
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TOTAL S.A., CSTJF, 64018 Pau CEDEX, France
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Russian Center for Arctic Development, 629007 Salekhard, Russia
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TOTAL S.A., Place Jean Millier, 92078 Paris La Défense CEDEX, France
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Author to whom correspondence should be addressed.
Remote Sens. 2020, 12(14), 2182; https://doi.org/10.3390/rs12142182
Received: 26 May 2020 / Revised: 28 June 2020 / Accepted: 6 July 2020 / Published: 8 July 2020
(This article belongs to the Section Remote Sensing in Geology, Geomorphology and Hydrology)
Detailed analysis of five gas emission craters (GEC) found in the north of West Siberia is presented. Remote sensing data used in the study is verified by field surveys. Previous studies show that all of the GECs were preceded by mounds 2 to 6 m high and 20 to 55 m in diameter. GECs initially were 20–25 m in diameter, which increased in the first years of their existence. GECs are found in various environmental (shrublands or moss-grass tundra) and geomorphic (river valley, terrace, slopes) conditions. The objective of the paper is to identify common and differing geomorphologic and environmental characteristics of all the five GEC, and their mound-predecessors. The study is based on a compilation of DSMs before and after the GEC formation using very high-resolution satellite imagery stereo pairs compared to ArcticDEM project data. Diversity of terrain and environmental settings along with rather a narrow range of GEC and mound-predecessor morphometric parameters allows concluding that the mechanism of GEC formation is most likely similar for all the GEC and is controlled rather by internal geologic and cryolithologic structure than by any surface properties. View Full-Text
Keywords: gas emission crater; mound-predecessor; digital surface model; multi-temporal remote sensing data; field data gas emission crater; mound-predecessor; digital surface model; multi-temporal remote sensing data; field data
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MDPI and ACS Style

Kizyakov, A.; Leibman, M.; Zimin, M.; Sonyushkin, A.; Dvornikov, Y.; Khomutov, A.; Dhont, D.; Cauquil, E.; Pushkarev, V.; Stanilovskaya, Y. Gas Emission Craters and Mound-Predecessors in the North of West Siberia, Similarities and Differences. Remote Sens. 2020, 12, 2182.

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