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Investigations Into The Regional And Local Timescale Variations Of Subglacial Drainage Networks, Justin Hiester
Investigations Into The Regional And Local Timescale Variations Of Subglacial Drainage Networks, Justin Hiester
Dissertations and Theses
Subglacial water plays an important role in the regulation of an ice sheet's mass balance. It may be the dominant control on the velocities of ice streams and outlet glaciers on scales of months to millennia. Recent satellite observations of ice surface elevation changes have given researchers new insights into how subglacial water is stored and transported. Localized uplift and settling of the ice surface implies that lakes exist beneath the ice sheet that are being filled and drained on relatively short time scales. %At the base of an ice sheet water can be transported through a variety of drainage …