Brief Communication: Sudden drainage of a subglacial lake beneath the Greenland Ice Sheet

• Published in: The Cryosphere
• Main Authors: I. M. Howat, C. Porter, M. J. Noh, B. E. Smith, S. Jeong
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2015
• Subjects: geo; envir; Greenland; Lake May; Ice Sheet; The Cryosphere
• Online Access: https://doi.org/10.5194/tc-9-103-2015; http://www.the-cryosphere.net/9/103/2015/tc-9-103-2015.pdf; https://doaj.org/article/4a59b79e1711402ba84881969b4cf521

We report on the appearance of a 2 km wide, 70 m deep circular depression located 50 km inland of the southwestern margin of the Greenland Ice Sheet that provides the first direct evidence for concentrated, long-term storage, and sudden release, of meltwater at the bed. Drainage of the lake may have...