A low climate threshold for south Greenland Ice Sheet demise during the Late Pleistocene

• Published in: Proceedings of the National Academy of Sciences
• Main Authors: Irvalı, Nil, Galaasen, Eirik V., Ninnemann, Ulysses S., Rosenthal, Yair, Born, Andreas, Kleiven, Helga (Kikki) F.
• Format: Text
• Language: English
• Published: National Academy of Sciences 2020
• Subjects: Physical Sciences; Exact Point; Greenland; Ice Sheet
• Online Access: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6955352/; http://www.ncbi.nlm.nih.gov/pubmed/31871153; https://doi.org/10.1073/pnas.1911902116

The Greenland Ice Sheet (GIS) has been losing mass at an accelerating rate over the recent decades. Models suggest a possible temperature threshold between 0.8 and 3.2 °C, beyond which GIS decline becomes irreversible. The duration of warmth above a given threshold is also a critical determinant for...