project . 2021 - 2025 . On going

DEFIANT: Drivers and Effects of Fluctuations in sea Ice in the ANTarctic

UK Research and Innovation

Funder: UK Research and InnovationProject code: NE/W004747/1
Funded under: NERC Funder Contribution: 2,035,800 GBP
Status: On going
Start Date
01 Dec 2021
End Date
30 Nov 2025

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Since the start of the industrial revolution the CO2 concentration in the atmosphere has steadily risen. Scientists have confirmed that the recent loss of Arctic sea ice in summer directly follows this rise in human-induced CO2 emissions, reducing from about 7 million km2 of Arctic sea ice in the late 1970s to around 3.5 million km2 in the 2010s. While climate models suggest Antarctic sea ice extent should also reduce in response to rising CO2, satellite observations reveal that during 1979-2015 the opposite was in fact true. The trend in Antarctic sea ice extent has been a small increase of approximately 1.5% per decade. In 2016, however, this increase was abru...

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Alfred Wegener Inst for Polar & Marine R, National Centre for Polar and Ocean Rese, University of Manitoba, UCLA, NERC British Antarctic Survey, Australian Antarctic Division, OSU, Met Office, MET, PRINCETON UNIVERSITY, ASE, Southern Ocean Observing System (SOOS)

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