A Gas-Emission Crater in the Erkuta River Valley, Yamal Peninsula: Characteristics and Potential Formation Model

• Published in: Geosciences
• Main Authors: Evgeny Chuvilin, Julia Stanilovskaya, Aleksey Titovsky, Anton Sinitsky, Natalia Sokolova, Boris Bukhanov, Mikhail Spasennykh, Alexey Cheremisin, Sergey Grebenkin, Dinara Davletshina, Christian Badetz
• Format: Article in Journal/Newspaper
• Language: English
• Published: MDPI AG 2020
• Subjects: permafrost; Yamal; talik; freezing; methane; gas emission; Geology; QE1-996.5; Arctic; Yamal Peninsula; Talik; Ice; Siberia
• Online Access: https://doi.org/10.3390/geosciences10050170; https://doaj.org/article/7ee04b6f22ea47e89886b4163f002e4b

Methane is a powerful greenhouse gas, and the abrupt degassing events that recently have formed large craters on the Russian Arctic Yamal and Gydan Peninsulas have caused major concern. Here we present field data on cover sediments and evolution of a gas-emission crater discovered in the Erkuta–Yakh...