Antarctic surface hydrology and impacts on ice-sheet mass balance

Melting is pervasive along the ice surrounding Antarctica. On the surface of the grounded ice sheet and floating ice shelves, extensive networks of lakes, streams and rivers both store and transport water. As melting increases with a warming climate, the surface hydrology of Antarctica in some regio...

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Bibliographic Details
Main Authors: Bell, RE, Banwell, AF, Trusel, LD, Kingslake, J
Format: Article in Journal/Newspaper
Language:English
Published: Springer Science and Business Media LLC 2018
Subjects:
3707 Hydrology
3709 Physical Geography and Environmental Geoscience
37 Earth Sciences
3705 Geology
13 Climate Action
Antarctic
Greenland
Antarc*
Antarctica
Ice Sheet
Ice Shelf
Ice Shelves
Online Access:https://www.repository.cam.ac.uk/handle/1810/285653
https://doi.org/10.17863/CAM.33005
Description
Summary:Melting is pervasive along the ice surrounding Antarctica. On the surface of the grounded ice sheet and floating ice shelves, extensive networks of lakes, streams and rivers both store and transport water. As melting increases with a warming climate, the surface hydrology of Antarctica in some regions could resemble Greenland’s present-day ablation and percolation zones. Drawing on observations of widespread Antarctica surface water and decades of study in Greenland, we consider three modes by which meltwater could impact Antarctic mass balance: increased runoff, meltwater injection to the bed, and meltwater-induced ice-shelf fracture, all of which may contribute to future ice sheet mass loss from Antarctica.

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