Evidence for increased expression of the Amundsen Sea Low over the South Atlantic during the late Holocene
Zoë A. Thomas,Richard T. Jones,Chris J. Fogwill,Jackie Hatton,Alan N. Williams,Alan Hogg,Scott Mooney,Philip Jones,David Lister,Paul Mayewski,and Chris S. M. Turney
Palaeontology, Geobiology and Earth Archives Research Centre, School of
Biological, Earth and Environmental Sciences, University of New South Wales,
Australia
Climate Change Research Centre, School of Biological, Earth and
Environmental Sciences, University of New South Wales, Australia
ARC Centre of Excellence in Australian Biodiversity and Heritage (CABAH),
School of Biological, Earth and Environmental Sciences, University of New
South Wales, Sydney, Australia
Richard T. Jones
formerly at: Department of Geography, Exeter University, Devon, EX4 4RJ,
UK
deceased
Chris J. Fogwill
Palaeontology, Geobiology and Earth Archives Research Centre, School of
Biological, Earth and Environmental Sciences, University of New South Wales,
Australia
Climate Change Research Centre, School of Biological, Earth and
Environmental Sciences, University of New South Wales, Australia
School of Geography, Geology and the Environment, Keele University,
Staffordshire, ST5 5BG, UK
Jackie Hatton
Department of Geography, Exeter University, Devon, EX4 4RJ, UK
Alan N. Williams
Climate Change Research Centre, School of Biological, Earth and
Environmental Sciences, University of New South Wales, Australia
ARC Centre of Excellence in Australian Biodiversity and Heritage (CABAH),
School of Biological, Earth and Environmental Sciences, University of New
South Wales, Sydney, Australia
Extent Heritage Pty Ltd, 3/73 Union Street, Pyrmont, NSW 2009, Australia
Alan Hogg
Waikato Radiocarbon Dating Laboratory, University of Waikato, Private Bag 3105,
Hamilton, New Zealand
Scott Mooney
Palaeontology, Geobiology and Earth Archives Research Centre, School of
Biological, Earth and Environmental Sciences, University of New South Wales,
Australia
Palaeontology, Geobiology and Earth Archives Research Centre, School of
Biological, Earth and Environmental Sciences, University of New South Wales,
Australia
Climate Change Research Centre, School of Biological, Earth and
Environmental Sciences, University of New South Wales, Australia
ARC Centre of Excellence in Australian Biodiversity and Heritage (CABAH),
School of Biological, Earth and Environmental Sciences, University of New
South Wales, Sydney, Australia
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We report a high-resolution study of a 5000-year-long peat record from the Falkland Islands. This area sensitive to the dynamics of the Amundsen Sea Low, which plays a major role in modulating the Southern Ocean climate. We find wetter, colder conditions between 5.0 and 2.5 ka due to enhanced southerly airflow, with the establishment of drier and warmer conditions from 2.5 ka to present. This implies more westerly airflow and the increased projection of the ASL onto the South Atlantic.
We report a high-resolution study of a 5000-year-long peat record from the Falkland Islands....
