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Kuhnt, Wolfgang; Holbourn, Ann E; Xu, Jian; Opdyke, Bradley N; De Deckker, Patrick; Röhl, Ursula; Mudelsee, Manfred (2015): Age determination and age tie-points of sediment cores from the Timor Sea [dataset publication series]. PANGAEA,, Supplement to: Kuhnt, W et al. (2015): Southern Hemisphere control on Australian monsoon variability during the late deglaciation and Holocene. Nature Communications, 6, 5916,

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The evolution of the Australian monsoon in relation to high-latitude temperature fluctuations over the last termination remains highly enigmatic. Here we integrate high-resolution riverine runoff and dust proxy data from X-ray fluorescence scanner measurements in four well-dated sediment cores, forming a NE-SW transect across the Timor Sea. Our records reveal that the development of the Australian monsoon closely followed the deglacial warming history of Antarctica. A minimum in riverine runoff documents dry conditions throughout the region during the Antarctic Cold Reversal (15-12.9 ka). Massive intensification of the monsoon coincided with Southern Hemisphere warming and intensified greenhouse forcing over Australia during the atmospheric CO2 rise at 12.9-10 ka. We relate the earlier onset of the monsoon in the Timor Strait (13.4 ka) to regional changes in landmass exposure during deglacial sea-level rise. A return to dryer conditions occurred between 8.1 and 7.3 ka following the early Holocene runoff maximum.
Median Latitude: -12.109583 * Median Longitude: 123.235841 * South-bound Latitude: -15.310930 * West-bound Longitude: 119.500870 * North-bound Latitude: -8.789770 * East-bound Longitude: 128.641420
Date/Time Start: 2001-05-03T21:05:00 * Date/Time End: 2005-10-01T04:42:00
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