ArticleNature communications2022
Ocean variability beneath Thwaites Eastern Ice Shelf driven by the Pine Island Bay Gyre strength.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Genetic diversity assessment of Camelus ferus based on CYTB gene and D-loop region.BMC zoology · 2025Article
- The influence of subglacial lake discharge on Thwaites Glacier ice-shelf melting and grounding-line retreat.Nature communications · 2025Article
- Amundsen Sea circulation controls bottom upwelling and Antarctic Pine Island and Thwaites ice shelf melting.Nature communications · 2024Article
- Ice shelf basal channel shape determines channelized ice-ocean interactions.Nature communications · 2024Article
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Authors and funding
17 authors.
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Abstract
West Antarctic ice-shelf thinning is primarily caused by ocean-driven basal melting. Here we assess ocean variability below Thwaites Eastern Ice Shelf (TEIS) and reveal the importance of local ocean circulation and sea-ice. Measurements obtained from two sub-ice-shelf moorings, spanning January 2020 to March 2021, show warming of the ice-shelf cavity and an increase in meltwater fraction of the upper sub-ice layer. Combined with ocean modelling results, our observations suggest that meltwater from Pine Island Ice Shelf feeds into the TEIS cavity, adding to horizontal heat transport there. We propose that a weakening of the Pine Island Bay gyre caused by prolonged sea-ice cover from April 2020 to March 2021 allowed meltwater-enriched waters to enter the TEIS cavity, which increased the temperature of the upper layer. Our study highlights the sensitivity of ocean circulation beneath ice shelves to local atmosphere-sea-ice-ocean forcing in neighbouring open oceans.
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