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Climate And Surging Of Donjek Glacier, Yukon, Canada, Ellyn M. Enderlin
Climate And Surging Of Donjek Glacier, Yukon, Canada, Ellyn M. Enderlin
Geosciences Faculty Publications and Presentations
Links between climate and glacier surges are poorly understood but are required to enable prediction of surges and mitigation of associated hazards. Here, we investigate the role of snow accumulation, rain, and temperature on surge periodicity, area changes, and timing of surge initiation since the 1930s at Donjek Glacier, Yukon, Canada. Snow accumulation measured in three ice cores collected at Eclipse Icefield indicates that a cumulative accumulation of 15.5 ± 1.46 or 16.6 ± 2.0 m w.e. occurred in the ten to twelve years between each of its last eight surges, depending on ice motion spatiotemporal offset corrections. Although we …