Possible impacts of a 1000 km long hypothetical subglacial river valley towards Petermann Glacier in northern Greenland

• Published in: The Cryosphere
• Main Authors: C. Chambers, R. Greve, B. Altena, P.-M. Lefeuvre
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2020
• Subjects: Environmental sciences; GE1-350; Geology; QE1-996.5; Greenland; Petermann Fjord; glacier; Ice Sheet; Petermann glacier; The Cryosphere
• Online Access: https://doi.org/10.5194/tc-14-3747-2020; https://doaj.org/article/c7fc34d1d25e4c1b859a261a4ab7954a

Greenland basal topographic data show a segmented valley extending from Petermann Fjord into the centre of Greenland; however, the locations of radar scan lines, used to create the bedrock topography data, indicate that valley segmentation is due to data interpolation. Therefore, as a thought experi...