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Resolving combined influences of inflow and evaporation on western Greenland lake water isotopes to inform paleoclimate inferences
(Springer Netherlands, 2020-02-05)
Stable isotopes of oxygen (δ18O) and hydrogen (δ2H) in precipitation are widely employed tracers of the global hydrologic cycle, and are frequently inferred from lake-water-derived proxies in sediments of high-latitude ...
Long-term support of an active subglacial hydrologic system in Southeast Greenland by firn aquifers
(American Geophysical Union, 2019-04-29)
The state of the subglacial hydrologic system, which can modify ice motion, is sensitive to the volume and rate of meltwater reaching it. Bare-ice regions rapidly transport meltwater to the bed via moulins, while in certain ...
Ice sheet influence on atmospheric circulation explains the patterns of Pleistocene alpine glacier records in North America
(Elsevier, 2020-01-27)
We explore the hypothesis that the relative size of Pleistocene ice sheets in North America modulated regional climate and alpine glaciation. We compare Pleistocene alpine glacier chronologies across North America with a ...