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Sediment controls dynamic behavior of a Cordilleran Ice Stream at the Last Glacial Maximum

Cowan, Ellen A; Zellers, Sarah D; Muller, Juliane; Walczak, M H; Worthington, Lindsay L; Caissie, Beth E; Clary, Wesley A; Jaeger, John M; Gulick, Sean P S; Pratt, Jacob W; Mix, Alan C; Fallon, Stewart


The uncertain response of marine terminating outlet glaciers to climate change at time scales beyond short-term observation limits models of future sea level rise. At temperate tidewater margins, abundant subglacial meltwater forms morainal banks (marine shoals) or ice-contact deltas that reduce water depth, stabilizing grounding lines and slowing or reversing glacial retreat. Here we present a radiocarbon-dated record from Integrated Ocean Drilling Program (IODP) Site U1421 that tracks the...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Nature Communications
DOI: 10.1038/s41467-020-15579-0
Access Rights: Open Access


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