Gas emission craters and mound-predecessors in the North of West Siberia, similarities and differences

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. © 2020 by the authors.

Авторы
Kizyakov A.1 , Leibman M.2 , Zimin M.3, 4 , Sonyushkin A.5 , Dvornikov Y. 6 , Khomutov A.2 , Dhont D.7 , Cauquil E.7 , Pushkarev V.8 , Stanilovskaya Y.9
Журнал
Издательство
MDPI AG
Номер выпуска
14
Язык
Английский
Статус
Опубликовано
Номер
2182
Том
12
Год
2020
Организации
  • 1 Cryolithology and Glaciology Department, Faculty of Geography, Lomonosov Moscow State University, Moscow, 119991, Russian Federation
  • 2 Earth Cryosphere Institute Tyumen Scientific Centre SB RAS, Tyumen, 625000, Russian Federation
  • 3 Cartography and Geoinformatics Department, Faculty of Geography, Lomonosov Moscow State University, Moscow, 119991, Russian Federation
  • 4 SCANEX Group, Moscow, 121059, Russian Federation
  • 5 OpenWeatherMap Inc., Lake Success, NY 11042, United States
  • 6 Agrarian-Technological Institute, Peoples' Friendship University of Russia, Moscow, 117198, Russian Federation
  • 7 TOTAL S.A., CSTJF, Pau CEDEX, 64018, France
  • 8 Russian Center for Arctic Development, Salekhard, 629007, Russian Federation
  • 9 TOTAL S.A., Place Jean Millier, Paris La Défense CEDEX, 92078, France
Ключевые слова
Digital surface model; Field data; Gas emission crater; Mound-predecessor; Multi-temporal remote sensing data
Дата создания
02.11.2020
Дата изменения
02.11.2020
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/64612/