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The last glaciation maximum climate conundrum and environmental responses of the Australian continent to altered climate states

Grant


Scheme


  • Discovery Projects

Abstract


  • Reconstructions of climate at the last glaciation maximum (21,000 years ago) suggest that climate insouthern Australia was significantly cooler and drier than modern with winter rainfall switched off or down, but the data are internally conflicting. Two possibilities exist, 1) there is an unrecognised major reorganisation of climate systems over southern Australia during glacial times or 2) the interpretation ofextreme cooling and drying over southern Australia is flawed. These alternative hypotheses will be tested by constructing accurate temperature and paleo-hydrological estimates for the glacial maximum. Either outcome is significant for understanding climate system responses and the resilience of Australian biota to climate change.

Date/time Interval


  • 2011

Sponsor Award Id


  • DP110103081

Local Award Id


  • 101360

Scheme


  • Discovery Projects

Abstract


  • Reconstructions of climate at the last glaciation maximum (21,000 years ago) suggest that climate insouthern Australia was significantly cooler and drier than modern with winter rainfall switched off or down, but the data are internally conflicting. Two possibilities exist, 1) there is an unrecognised major reorganisation of climate systems over southern Australia during glacial times or 2) the interpretation ofextreme cooling and drying over southern Australia is flawed. These alternative hypotheses will be tested by constructing accurate temperature and paleo-hydrological estimates for the glacial maximum. Either outcome is significant for understanding climate system responses and the resilience of Australian biota to climate change.

Date/time Interval


  • 2011

Sponsor Award Id


  • DP110103081

Local Award Id


  • 101360