The Australian Centre for Excellence in Antarctic Science (\201CCentre\201D)

Permo-Triassic rift nucleation in East Antarctica revealed by low-temperature thermochronology

F Mayer-Ullmann, S Glorie, M Hand, SC Boone, A Nixon, M Danišík, JA Halpin, JA Mulder

2026-05-01

The East Antarctic margin (48°-150°E) holds key information on the breakup history of Pangea and Gondwa, yet thermochronological d..

Rapid subsurface warming in the subpolar North Atlantic from freshening.

Laurie C Menviel, Gabriel Pontes, Mathieu Lapeze, Himadri Saini

2026-03-27

Over recent decades, the Arctic has warmed four times faster than the global average, associated with a decline in sea ice and acc..

Unraveling the mysteries of Antarctic ice-shelf melting

CA Vreugdenhil, B Gayen

2026-02-01

Antarctica remains one of Earth’s great enigmas: a frozen continent whose vast white expanse hides many secrets of our planet’s cl..

Laminar uni- and bi-directional boundary-layer flow of a melting vertical ice face: experiments and direct numerical simulations

P Herath, S Pathak, B Gayen, J Klewicki, J Philip

2026-01-22

A combined experimental and direct numerical simulation (DNS) investigation is undertaken to study the laminar boundary-layer (BL)..

Southern Annular Mode dynamics, projections and impacts in a changing climate

A Purich, JM Arblaster, G Boschat, ZE Gillett, W Hobbs, M Jucker, EP Lim, D Udy, N Abram, E Campitelli, E Doddridge, MH England, A King, L Menviel, A Meyer, V Ortiz Guzmán, R Roy, I Rudeva, P Spence, PG Strutton

2026-01-01

The Southern Annular Mode (SAM) influences Southern Hemisphere temperature and precipitation, ocean circulation, carbon cycling an..

Simulated Terrestrial Warming at the Last Interglacial Due to Vegetation Change

NKH Yeung, L Teckentrup, L Menviel, KJ Meissner, AJ Pitman, T Ziehn, MA Chamberlain

2025-12-01

Paleo-proxy records suggest that vegetation at the Last Interglacial (LIG) was different from pre-industrial (PI), including a gre..

ESD Ideas: Extended net zero simulations are critical for informed decision making

AD King, NJ Abram, E Alastrué De Asenjo, T Ziehn

2025-10-08

Climate changes under net zero emissions will take many centuries to play out, particularly in the Southern Hemisphere and in the ..

Thermo-Mechanical Rift Evolution of Large Igneous Province Crust

L Magri, D Neuharth, S Williams, S Brune, JM Whittaker, D Sandiford, MF Coffin, K Hochmuth, A Glerum

2025-09-01

Numerical models, coupled with observational data, have proven crucial for addressing fundamental questions regarding extensional ..

Impacts of Antarctic summer sea-ice extremes

EW Doddridge, WR Hobbs, M Auger, PW Boyd, SMT Chua, S Cook, S Corney, L Emmerson, AD Fraser, P Heil, N Kelly, D Lannuzel, X Li, G Liniger, RA Massom, A Meyer, P Reid, C Southwell, P Spence, A Steketee

2025-07-01

Antarctic sea ice plays many crucial roles in the physical environments and ecosystems of Antarctica and the Southern Ocean. In th..

Large-scale ice-shelf calving events follow prolonged amplifications in flexure

NJ Teder, LG Bennetts, PA Reid, RA Massom, JPA Pitt, TA Scambos, AD Fraser

2025-07-01

The retreat of Antarctic ice shelves due to calving and the subsequent reduction in buttressing of the Antarctic Ice Sheet are of ..

Simulated ocean oxygenation during the interglacials MIS 5e and MIS 9e

B Duboc, KJ Meissner, L Menviel, NKH Yeung, B Hoogakker, T Ziehn, M Chamberlain

2025-06-27

Recent studies investigating future warming scenarios have shown that the ocean oxygen content will continue to decrease over the ..

Transient Antarctic Slope Current Response to Climate Change Including Meltwater

EQY Ong, MH England, E Doddridge, NC Constantinou

2025-05-28

The future response of the Antarctic Slope Current (ASC) to projected transient changes in winds, radiative forcing, and meltwater..

Cabbeling as a catalyst and driver of turbulent mixing

JI Bisits, JD Zika, T Sohail

2025-05-13

At constant pressure, a mixture of water parcels with equal density but differing salinity and temperature will be denser than the..

The Impacts of an AMOC Slowdown on Southern Hemisphere and Australian Climates at 8.2 ka in ACCESS-ESM1.5 Model

Y Du, JR Brown, L Menviel, H Saini, RN Drysdale

2025-04-28

Greenland ice cores reveal an abrupt cooling of up to 3.3°C 8.2 kyr ago (8.2 ka), lasting for roughly 160 years. The event was lik..

Australasian Hydroclimate Response to the Collapse of the Atlantic Meridional Overturning Circulation Under Pre-Industrial and Last Interglacial Climates

H Saini, G Pontes, JR Brown, RN Drysdale, Y Du, L Menviel

2025-03-01

Abrupt climate change events during the last glacial period and the Last Interglacial (LIG) resulted from changes in the Atlantic ..

Decline of Antarctic Circumpolar Current due to polar ocean freshening

T Sohail, B Gayen, A Klocker

2025-03-01

The Antarctic Circumpolar Current (ACC) is the world’s strongest ocean current and plays a disproportionate role in the climate sy..

Last Interglacial subsurface warming on the Antarctic shelf triggered by reduced deep-ocean convection

NKH Yeung, L Menviel, KJ Meissner, D Choudhury, T Ziehn, MA Chamberlain

2024-12-01

The Antarctic ice-sheet could have contributed 3 to 5 m sea-level equivalent to the Last Interglacial sea-level highstand. Such an..

An optimal transformation method for inferring ocean tracer sources and sinks

JD Zika, T Sohail

2024-11-12

The geography of changes in the fluxes of heat, carbon, freshwater and other tracers at the sea surface is highly uncertain and is..

Closing the Loops on Southern Ocean Dynamics: From the Circumpolar Current to Ice Shelves and From Bottom Mixing to Surface Waves

LG Bennetts, CJ Shakespeare, CA Vreugdenhil, A Foppert, B Gayen, A Meyer, AK Morrison, L Padman, HE Phillips, CL Stevens, A Toffoli, NC Constantinou, JM Cusack, A Cyriac, EW Doddridge, MH England, DG Evans, P Heil, AMC Hogg, RM Holmes

2024-09-01

A holistic review is given of the Southern Ocean dynamic system, in the context of the crucial role it plays in the global climate..

An optimal transformation method applied to diagnose the ocean carbon budget

N Mackay, T Sohail, JD Zika, RG Williams, O Andrews, AJ Watson

2024-08-13

The ocean carbon sink plays a critical role in climate, absorbing anthropogenic carbon from the atmosphere and mitigating climate ..

Unsupervised Classification Identifies Warm, Fresh, and Dense Regimes of the Antarctic Margins

T Sohail, JD Zika

2024-06-01

The ocean surrounding Antarctica, also known as the Antarctic margins, is characterized by complex and heterogeneous process inter..

Intrinsically Episodic Antarctic Shelf Intrusions of Circumpolar Deep Water via Canyons

EQY Ong, E Doddridge, NC Constantinou, AM Hogg, MH England

2024-05-01

The structure of the Antarctic Slope Current at the continental shelf is crucial in governing the poleward transport of warm water..

Transient Response of Southern Ocean Ecosystems During Heinrich Stadials

H Saini, KJ Meissner, L Menviel, K Kvale

2024-02-01

Antarctic ice core records suggest that atmospheric CO<inf>2</inf> increased by 15–20 ppm during Heinrich stadials (HS). These per..

Anthropogenic Aerosols Offsetting Ocean Warming Less Efficiently Since the 1980s

T Sohail, DB Irving, JD Zika, JM Gregory

2023-12-16

Greenhouse gases and aerosols play a major role in controlling global climate change. Greenhouse gases drive a radiative imbalance..

Impact of iron fertilisation on atmospheric CO2 during the last glaciation

H Saini, KJ Meissner, L Menviel, K Kvale

2023-07-28

While several processes have been identified to explain the decrease in atmospheric CO2 during glaciations, a better quantificatio..

Model Predictions of Wave Overwash Extent Into the Marginal Ice Zone

JPA Pitt, LG Bennetts, MH Meylan, RA Massom, A Toffoli

2022-10-01

In the marginal ice zone (MIZ), where ocean waves and sea ice interact, waves can produce flows of water across ice floe surfaces ..