Reconstructing Permafrost Sedimentological Characteristics and Post-depositional Processes of the Yedoma Stratotype Duvanny Yar, Siberia

• Published in: Frontiers in Earth Science
• Main Authors: Shmelev, Denis, Cherbunina, Maria, Rogov, Victor, Opfergelt, Sophie, Monhonval, Arthur, Strauss, Jens
• Other Authors: UCL - SST/ELI/ELIE - Environmental Sciences
• Format: Article in Journal/Newspaper
• Language: English
• Published: Frontiers Media SA 2021
• Subjects: cryogenic weathering; Kolyma lowland; Arctic; permafrost; late Pleistocene; Holocene; Kolyma; Yar; Ice; Siberia
• Online Access: http://hdl.handle.net/2078.1/254334; https://doi.org/10.3389/feart.2021.727315

Cryogenic weathering is a key driver of periglacial sediment composition and properties. Selective mineral-grain weathering caused by freeze-thaw cycles in permafrost environments has the ability to dominate this process, leading to silt-rich grain-size distributions. The cryogenic weathering index...