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Author

S. Jaccard

2 papers indexed here

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Review Open access Oct 2026

Antarctic sea ice over the past 130 000 years – Part 2: A review of its role in the Earth system

Antarctic sea-ice cover reached historically low levels in 2023, consistent with the simulated decline in sea-ice extent in response to anthropogenic warming. As Antarctic sea ice is closely linked to multiple components of the Earth system, its demise could precipitate widespread, cascading changes across the cryosphe...

Z. Chase, K. Kohfeld, A. Leventer et al. · 0 citations
Open access Aug 2026

Glacial‐Interglacial Shifts in Export Productivity and Iron Flux in the Indian Sector of the Southern Ocean

Greater ocean export productivity fueled by enhanced delivery of iron to the Sub‐Antarctic Zone (SAZ) of the Southern Ocean is hypothesized to play an important role in reducing atmospheric CO2 during Pleistocene glaciations. However, spatial variability in iron input and nutrient availability complicates quantifying t...

Joseph C. Cresswell, Z. Chase, T. Noble et al. · 0 citations

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