Uncovering a 70-year-old permafrost degradation induced disaster in the Arctic, the 1952 Niiortuut landslide-tsunami in central West Greenland

• Published in: Science of The Total Environment
• Main Authors: Svennevig, Kristian, Keiding, Marie, Korsgaard, Niels, Jákup, Lucas, Antoine, Owen, Matthew, Poulsen, Majken, Djurhuus, Priebe, Janina, Sørensen, Erik, Vest, Morino, Costanza
• Other Authors: Institut de Physique du Globe de Paris (IPGP (UMR_7154)), Institut national des sciences de l'Univers (INSU - CNRS)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Environnements, Dynamiques et Territoires de Montagne (EDYTEM), Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS), ANR-18-IDEX-0001,Université de Paris,Université de Paris(2018), ANR-19-CE01-0010,Permolards,Les molards, marqueurs de l'évolution de la dégradation du pergélisol de montagne(2019), ANR-10-LABX-0023,UnivEarthS,Earth - Planets - Universe: observation, modeling, transfer(2010)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2022
• Subjects: [SDE.MCG]Environmental Sciences/Global Changes; Arctic; Greenland; Nuussuaq; Qullissat; Vaigat; permafrost
• Online Access: https://hal.science/hal-03846381; https://hal.science/hal-03846381/document; https://hal.science/hal-03846381/file/1-s2.0-S0048969722072102-main.pdf; https://doi.org/10.1016/j.scitotenv.2022.160110

International audience On December 15th 1952, at approximately 14:00 local time a mass of 5.9 × 106 m3 of permafrozen talus deposits failed in a landslide close to the Niiortuut mountain on the south coast of the Nuussuaq peninsula, central West Greenland. Between 1.8 and 4.5 × 106 m3 of the materia...