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Nature Communications (2)
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Showing 1–3 of 3 results

Advanced filters: Author: Graeme A. MacGilchrist Clear advanced filters

Southern Ocean CO₂ outgassing and nutrient load reduced by a well-ventilated glacial North Pacific

A better-ventilated North Pacific could have reduced the carbon of water upwelled in the Southern Ocean, reducing outgassing and revealing a remote influence on Southern Ocean biogeochemistry in glacial times.

Madison G. Shankle
Graeme A. MacGilchrist
James W. B. Rae
ResearchOpen Access17 Sept 2025
Nature Communications

Volume: 16, P: 1-13
Enhanced subglacial discharge from Antarctica during meltwater pulse 1A

This study presents seawater uranium isotope records based on deep-sea corals from the Drake Passage to track subglacial discharge from the Antarctic Ice Sheet, demonstrating a causal link between enhanced subglacial discharge, retreat of the ice sheet, and the rapid rise in sea levels.

Tao Li
Laura F. Robinson
James W. B. Rae
ResearchOpen Access13 Nov 2023
Nature Communications

Volume: 14, P: 1-10
Ross Gyre variability modulates oceanic heat supply toward the West Antarctic continental shelf

Expansion of the Ross Gyre increases poleward transport of Circumpolar Deep Water toward the Amundsen Sea and the West Antarctic Ice Sheet and has implications for oceanic heat supply to the continental shelf, according to numerical modelling.

Channing J. Prend
Graeme A. MacGilchrist
Sarah T. Gille
ResearchOpen Access22 Jan 2024
Communications Earth & Environment

Volume: 5, P: 1-10