# COSIMA/Cryosphere Workshop 2026 Abstracts

**URL:** https://forum.access-hive.org.au/c/cosima-cryosphere-workshop-2026/cosima-cryosphere-workshop-2026-abstracts/269.md

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## [About the COSIMA/Cryosphere Workshop 2026 Abstracts category](https://forum.access-hive.org.au/t/about-the-cosima-cryosphere-workshop-2026-abstracts-category/7166)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
**Replies:** 0

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## [Harriet Easterbrook: Sources of the ocean heat that drove the extreme winter sea-ice loss in the Weddell Sea during 2023](https://forum.access-hive.org.au/t/harriet-easterbrook-sources-of-the-ocean-heat-that-drove-the-extreme-winter-sea-ice-loss-in-the-weddell-sea-during-2023/7222)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
**Replies:** 0\
**Last updated:** [5 November 2026 22:10 UTC](https://forum.access-hive.org.au/t/harriet-easterbrook-sources-of-the-ocean-heat-that-drove-the-extreme-winter-sea-ice-loss-in-the-weddell-sea-during-2023/7222 "2026-11-05T22:10:24Z")

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Harriet Easterbrook: Sources of the ocean heat that drove the extreme winter sea-ice loss in the Weddell Sea during 2023 Since 2016, successive record lows in Antarctic sea ice extent (SIE) have raised concerns that the…

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## [Zhi Li: Multi-decadal evolution of the Atlantic overturning circulation from a physics and observation-based reconstruction](https://forum.access-hive.org.au/t/zhi-li-multi-decadal-evolution-of-the-atlantic-overturning-circulation-from-a-physics-and-observation-based-reconstruction/7210)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
**Replies:** 0\
**Last updated:** [5 November 2026 22:09 UTC](https://forum.access-hive.org.au/t/zhi-li-multi-decadal-evolution-of-the-atlantic-overturning-circulation-from-a-physics-and-observation-based-reconstruction/7210 "2026-11-05T22:09:27Z")

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Zhi Li: Multi-decadal evolution of the Atlantic overturning circulation from a physics and observation-based reconstruction The Atlantic meridional overturning circulation (AMOC) is a key component of the global ocean c…

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## [Wilton Aguiar: The Southern Ocean’s thermodynamic response to sustained low sea ice](https://forum.access-hive.org.au/t/wilton-aguiar-the-southern-ocean-s-thermodynamic-response-to-sustained-low-sea-ice/7209)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
**Replies:** 0\
**Last updated:** [5 November 2026 22:09 UTC](https://forum.access-hive.org.au/t/wilton-aguiar-the-southern-ocean-s-thermodynamic-response-to-sustained-low-sea-ice/7209 "2026-11-05T22:09:26Z")

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Wilton Aguiar: The Southern Ocean’s thermodynamic response to sustained low sea ice Following several decades of modest expansion, Antarctic sea ice extent contracted abruptly in 2015 and has since remained anomalously …

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## [Wilma Huneke: Missing Antarctic meltwater: Implications for Southern Hemisphere climate projections COSIMA](https://forum.access-hive.org.au/t/wilma-huneke-missing-antarctic-meltwater-implications-for-southern-hemisphere-climate-projections-cosima/7208)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
**Replies:** 0\
**Last updated:** [5 November 2026 22:09 UTC](https://forum.access-hive.org.au/t/wilma-huneke-missing-antarctic-meltwater-implications-for-southern-hemisphere-climate-projections-cosima/7208 "2026-11-05T22:09:25Z")

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Wilma Huneke: Missing Antarctic meltwater: Implications for Southern Hemisphere climate projections COSIMA Antarctic ice sheet and ice shelf meltwater impact all climate system components. Most current climate models om…

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## [Tyler Rohr: Modelling Requirements for Ocean Alkalinity Enhancement](https://forum.access-hive.org.au/t/tyler-rohr-modelling-requirements-for-ocean-alkalinity-enhancement/7207)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
**Replies:** 0\
**Last updated:** [5 November 2026 21:56 UTC](https://forum.access-hive.org.au/t/tyler-rohr-modelling-requirements-for-ocean-alkalinity-enhancement/7207 "2026-11-05T21:56:01Z")

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Tyler Rohr: Modelling Requirements for Ocean Alkalinity Enhancement Meeting Paris-targets will require gigatonne-scale carbon dioxide removal (CDR). Ocean alkalinity enhancement (OAE) is one of the most actively investi…

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## [Tirthankar Ghosh: Controls on Himalayan glacier thermal regimes revealed through ensemble thermomechanical modelling](https://forum.access-hive.org.au/t/tirthankar-ghosh-controls-on-himalayan-glacier-thermal-regimes-revealed-through-ensemble-thermomechanical-modelling/7206)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:56 UTC](https://forum.access-hive.org.au/t/tirthankar-ghosh-controls-on-himalayan-glacier-thermal-regimes-revealed-through-ensemble-thermomechanical-modelling/7206 "2026-11-05T21:56:00Z")

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Tirthankar Ghosh: Controls on Himalayan glacier thermal regimes revealed through ensemble thermomechanical modelling Glacier thermal regimes fundamentally control ice dynamics by influencing englacial and basal hydrolog…

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## [Thongley: Impact of climate variability on future glacier change in the Bhutanese Himalaya](https://forum.access-hive.org.au/t/thongley-impact-of-climate-variability-on-future-glacier-change-in-the-bhutanese-himalaya/7205)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/thongley-impact-of-climate-variability-on-future-glacier-change-in-the-bhutanese-himalaya/7205 "2026-11-05T21:55:59Z")

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Thongley: Impact of climate variability on future glacier change in the Bhutanese Himalaya The Bhutanese Himalayas are home to thousands of glaciers that provide a crucial water source for downstream economic activities…

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## [Taimoor Sohail: Disentangling intrinsically variability from long-term climate change using GPU-powered large ensembles](https://forum.access-hive.org.au/t/taimoor-sohail-disentangling-intrinsically-variability-from-long-term-climate-change-using-gpu-powered-large-ensembles/7204)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/taimoor-sohail-disentangling-intrinsically-variability-from-long-term-climate-change-using-gpu-powered-large-ensembles/7204 "2026-11-05T21:55:58Z")

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Taimoor Sohail: Disentangling intrinsically variability from long-term climate change using GPU-powered large ensembles High-resolution ocean models that resolve eddies are computationally expensive, which historically …

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## [Qiuhong Liao: Regional Contrasts in Southern Ocean Heat Storage Under Future Forcing](https://forum.access-hive.org.au/t/qiuhong-liao-regional-contrasts-in-southern-ocean-heat-storage-under-future-forcing/7203)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/qiuhong-liao-regional-contrasts-in-southern-ocean-heat-storage-under-future-forcing/7203 "2026-11-05T21:55:57Z")

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Qiuhong Liao: Regional Contrasts in Southern Ocean Heat Storage Under Future Forcing The Southern Ocean is a major sink of excess heat, but the magnitude and depth of ocean warming vary substantially across the basin. H…

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## [Poul Christoffersen: A stochastic parameterisation for iceberg calving in pyISSM](https://forum.access-hive.org.au/t/poul-christoffersen-a-stochastic-parameterisation-for-iceberg-calving-in-pyissm/7202)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/poul-christoffersen-a-stochastic-parameterisation-for-iceberg-calving-in-pyissm/7202 "2026-11-05T21:55:56Z")

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Poul Christoffersen: A stochastic parameterisation for iceberg calving in pyISSM Protection of nature, infrastructure, and communities across low-lying parts of Australia relies on well-designed coastal adaptation strat…

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## [Noah Day: Quantifying the Influence of Coupled Wave–Ice–Ocean Interactions on Antarctic Sea Ice in ACCESS-OM3](https://forum.access-hive.org.au/t/noah-day-quantifying-the-influence-of-coupled-wave-ice-ocean-interactions-on-antarctic-sea-ice-in-access-om3/7201)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/noah-day-quantifying-the-influence-of-coupled-wave-ice-ocean-interactions-on-antarctic-sea-ice-in-access-om3/7201 "2026-11-05T21:55:55Z")

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Noah Day: Quantifying the Influence of Coupled Wave–Ice–Ocean Interactions on Antarctic Sea Ice in ACCESS-OM3 Ocean surface waves influence Antarctic sea ice through wave-induced fracture, enhanced upper-ocean mixing, a…

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## [Neil Malan: How leaky is a marine heatwave?](https://forum.access-hive.org.au/t/neil-malan-how-leaky-is-a-marine-heatwave/7200)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/neil-malan-how-leaky-is-a-marine-heatwave/7200 "2026-11-05T21:55:54Z")

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Neil Malan: How leaky is a marine heatwave? Are marine heatwaves (MHWs) coherent bodies of warm water, or regions that water simply passes through? MHWs are generally defined either from temperature at fixed locations, …

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## [Monica Nelson: Circulation features observed in Vincennes Bay, East Antarctica, using novel SWOT techniques](https://forum.access-hive.org.au/t/monica-nelson-circulation-features-observed-in-vincennes-bay-east-antarctica-using-novel-swot-techniques/7199)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/monica-nelson-circulation-features-observed-in-vincennes-bay-east-antarctica-using-novel-swot-techniques/7199 "2026-11-05T21:55:53Z")

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Monica Nelson: Circulation features observed in Vincennes Bay, East Antarctica, using novel SWOT techniques At the continental shelf in Antarctica, cross-shelf exchange is a major source of heat for ice-shelf melting, p…

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## [Michael Tetley: An end-to-end workflow for ice sheet modelling and sea-level prediction from ACCESS-NRI](https://forum.access-hive.org.au/t/michael-tetley-an-end-to-end-workflow-for-ice-sheet-modelling-and-sea-level-prediction-from-access-nri/7198)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/michael-tetley-an-end-to-end-workflow-for-ice-sheet-modelling-and-sea-level-prediction-from-access-nri/7198 "2026-11-05T21:55:52Z")

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Michael Tetley: An end-to-end workflow for ice sheet modelling and sea-level prediction from ACCESS-NRI Accurate time-dependent models of the Antarctic ice sheet are central to global predictions of future climate and s…

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## [Max Rintoul: Estimating the benthic additionality loss of coastal ocean alkalinity enhancement deployments](https://forum.access-hive.org.au/t/max-rintoul-estimating-the-benthic-additionality-loss-of-coastal-ocean-alkalinity-enhancement-deployments/7197)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/max-rintoul-estimating-the-benthic-additionality-loss-of-coastal-ocean-alkalinity-enhancement-deployments/7197 "2026-11-05T21:55:50Z")

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Max Rintoul: Estimating the benthic additionality loss of coastal ocean alkalinity enhancement deployments Ocean alkalinity enhancement (OAE) promotes the oceanic uptake of atmospheric CO2 by altering the marine carbona…

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## [Kim Bente: Automated Extraction of Basal Features from Radargrams with Contrastive Learning](https://forum.access-hive.org.au/t/kim-bente-automated-extraction-of-basal-features-from-radargrams-with-contrastive-learning/7196)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/kim-bente-automated-extraction-of-basal-features-from-radargrams-with-contrastive-learning/7196 "2026-11-05T21:55:49Z")

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Kim Bente: Automated Extraction of Basal Features from Radargrams with Contrastive Learning The conditions at the base of the ice sheet, where ice and bed meet, can strongly influence how and how fast the ice above flow…

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## [Kial Stewart: Laboratory experiments of processes at the ice-ocean interface](https://forum.access-hive.org.au/t/kial-stewart-laboratory-experiments-of-processes-at-the-ice-ocean-interface/7195)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/kial-stewart-laboratory-experiments-of-processes-at-the-ice-ocean-interface/7195 "2026-11-05T21:55:48Z")

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Kial Stewart: Laboratory experiments of processes at the ice-ocean interface The ice-ocean boundary within ice-ocean cavities is an interface of great climate significance. The dynamics and thermodynamics occurring here…

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## [Katja Curtin: Understanding Southern Ocean heat and carbon ventilation to improve climate projections](https://forum.access-hive.org.au/t/katja-curtin-understanding-southern-ocean-heat-and-carbon-ventilation-to-improve-climate-projections/7194)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/katja-curtin-understanding-southern-ocean-heat-and-carbon-ventilation-to-improve-climate-projections/7194 "2026-11-05T21:55:47Z")

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Katja Curtin: Understanding Southern Ocean heat and carbon ventilation to improve climate projections The Southern Ocean is responsible for the largest fraction of anthropogenic heat and carbon uptake by the global ocea…

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## [Justin Kin Jun Hew: GPU-Accelerated Ice Sheet Modelling in ACCESS: Deploying ISSM on Gadi for Antarctic Projections](https://forum.access-hive.org.au/t/justin-kin-jun-hew-gpu-accelerated-ice-sheet-modelling-in-access-deploying-issm-on-gadi-for-antarctic-projections/7193)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/justin-kin-jun-hew-gpu-accelerated-ice-sheet-modelling-in-access-deploying-issm-on-gadi-for-antarctic-projections/7193 "2026-11-05T21:55:46Z")

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Justin Kin Jun Hew: GPU-Accelerated Ice Sheet Modelling in ACCESS: Deploying ISSM on Gadi for Antarctic Projections Continental-scale Antarctic simulations are limited less by our understanding of ice physics than by th…

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## [Julia Neme: Open ocean pathways of Circumpolar Deep Water to the Antarctic continental slope](https://forum.access-hive.org.au/t/julia-neme-open-ocean-pathways-of-circumpolar-deep-water-to-the-antarctic-continental-slope/7192)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/julia-neme-open-ocean-pathways-of-circumpolar-deep-water-to-the-antarctic-continental-slope/7192 "2026-11-05T21:55:45Z")

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Julia Neme: Open ocean pathways of Circumpolar Deep Water to the Antarctic continental slope Upon entering the Antarctic continental shelf, warm Circumpolar Deep Water (CDW) is able to melt ice shelves from below, which…

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## [John Reilly: Idealised Ice-Ocean Coupling Evaluation](https://forum.access-hive.org.au/t/john-reilly-idealised-ice-ocean-coupling-evaluation/7191)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/john-reilly-idealised-ice-ocean-coupling-evaluation/7191 "2026-11-05T21:55:44Z")

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John Reilly: Idealised Ice-Ocean Coupling Evaluation Interactions between Antarctic ice shelves and the ocean regulate basal melting, ice-shelf buttressing, grounding-line migration and ice discharge. Yet these feedback…

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## [Jared Magyar: Insights on the grounding zone of Totten Glacier from passive seismic recordings](https://forum.access-hive.org.au/t/jared-magyar-insights-on-the-grounding-zone-of-totten-glacier-from-passive-seismic-recordings/7190)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/jared-magyar-insights-on-the-grounding-zone-of-totten-glacier-from-passive-seismic-recordings/7190 "2026-11-05T21:55:43Z")

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Jared Magyar: Insights on the grounding zone of Totten Glacier from passive seismic recordings Passive seismology is a powerful tool for outlet glacier observation, as it is sensitive to hidden, transient, and small-sca…

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## [In-Woo Park: Coupling rate-based calving with continuum damage evolution model](https://forum.access-hive.org.au/t/in-woo-park-coupling-rate-based-calving-with-continuum-damage-evolution-model/7189)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/in-woo-park-coupling-rate-based-calving-with-continuum-damage-evolution-model/7189 "2026-11-05T21:55:42Z")

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In-Woo Park: Coupling rate-based calving with continuum damage evolution model Floating ice shelves do not directly contribute to global mean sea level (GMSL) rise; however, they exert a buttressing effect on the ground…

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## [Hongyuan Liu: Modelling glacier-bed interaction-induced basal deformation, sliding, fracturing and erosion with a hybrid finite-discrete element method](https://forum.access-hive.org.au/t/hongyuan-liu-modelling-glacier-bed-interaction-induced-basal-deformation-sliding-fracturing-and-erosion-with-a-hybrid-finite-discrete-element-method/7188)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/hongyuan-liu-modelling-glacier-bed-interaction-induced-basal-deformation-sliding-fracturing-and-erosion-with-a-hybrid-finite-discrete-element-method/7188 "2026-11-05T21:55:41Z")

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Hongyuan Liu: Modelling glacier-bed interaction-induced basal deformation, sliding, fracturing and erosion with a hybrid finite-discrete element method Climate warming accelerates glacier discharge from ice sheets to th…

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## [Helen Shea: Regional variability and anthropogenic erosion of an Antarctic ocean-sea ice feedback](https://forum.access-hive.org.au/t/helen-shea-regional-variability-and-anthropogenic-erosion-of-an-antarctic-ocean-sea-ice-feedback/7187)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/helen-shea-regional-variability-and-anthropogenic-erosion-of-an-antarctic-ocean-sea-ice-feedback/7187 "2026-11-05T21:55:40Z")

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Helen Shea: Regional variability and anthropogenic erosion of an Antarctic ocean-sea ice feedback Previous studies suggest an ocean-sea ice feedback linking subsurface heat to sea ice extent (SIE) could operate in any A…

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## [Helen Phillips: Southern Ocean Ice Gauges](https://forum.access-hive.org.au/t/helen-phillips-southern-ocean-ice-gauges/7186)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/helen-phillips-southern-ocean-ice-gauges/7186 "2026-11-05T21:55:38Z")

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Helen Phillips: Southern Ocean Ice Gauges Ocean observations around Antarctica have historically been biased toward summer months when sea ice does not impede ships. Consequently, existing gridded observations typically…

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## [Hannah Dawson: Investigating the sensitivity of Antarctic winter sea ice to ocean changes](https://forum.access-hive.org.au/t/hannah-dawson-investigating-the-sensitivity-of-antarctic-winter-sea-ice-to-ocean-changes/7185)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/hannah-dawson-investigating-the-sensitivity-of-antarctic-winter-sea-ice-to-ocean-changes/7185 "2026-11-05T21:55:37Z")

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Hannah Dawson: Investigating the sensitivity of Antarctic winter sea ice to ocean changes Antarctic sea ice has exhibited unprecedented variability over the last decade, including record-low winter extents in 2023. Thes…

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## [Felicity McCormack: The predictability of the Antarctic Ice Sheet: challenges and opportunities for ice sheet model development](https://forum.access-hive.org.au/t/felicity-mccormack-the-predictability-of-the-antarctic-ice-sheet-challenges-and-opportunities-for-ice-sheet-model-development/7184)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/felicity-mccormack-the-predictability-of-the-antarctic-ice-sheet-challenges-and-opportunities-for-ice-sheet-model-development/7184 "2026-11-05T21:55:36Z")

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Felicity McCormack: The predictability of the Antarctic Ice Sheet: challenges and opportunities for ice sheet model development The Antarctic Ice Sheet remains the primary driver of uncertainty in long-term sea level ri…

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## [Fabio Boeira Dias: Sensitivity of Antarctic Bottom Water projections to meltwater parameterizations](https://forum.access-hive.org.au/t/fabio-boeira-dias-sensitivity-of-antarctic-bottom-water-projections-to-meltwater-parameterizations/7183)

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**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\
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**Last updated:** [5 November 2026 21:55 UTC](https://forum.access-hive.org.au/t/fabio-boeira-dias-sensitivity-of-antarctic-bottom-water-projections-to-meltwater-parameterizations/7183 "2026-11-05T21:55:35Z")

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Fabio Boeira Dias: Sensitivity of Antarctic Bottom Water projections to meltwater parameterizations Despite the importance of Antarctic Bottom Water (AABW) to the climate system, current climate models struggle to repre…

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