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Australian Summer Monsoon variability in the past 14,000 years revealed by IODP Expedition 356 sediments ArchiMer
Ishiwa, Takeshige; Yokoyama, Yusuke; Reuning, Lars; Mchugh, Cecilia M.; De Vleeschouwer, David; Gallagher, Stephen J..
The International Ocean Discovery Program (IODP) Expedition 356 Site U1461 cored a Miocene to Holocene sedimentary sequence in the upper bathyal carbonate offshore northwestern Australia (NWA). The siliciclastic component of these strata is primarily derived from the Australian continent. Radiocarbon dating on macrofossils and planktonic foraminifera shows that the upper 14 m section at Site U1461 preserves Holocene sediments, recording regional climate variability. K/Ca ratios determined by X-ray fluorescence elemental analyses and %K determined by shipboard natural gamma ray analysis are interpreted as indicators of riverine run-off from the Australian continent. We document the consequences of the variability of the Australian Summer Monsoon (ASM) on...
Tipo: Text Palavras-chave: International Ocean Discovery Program Expedition 356; Australian Summer Monsoon; Radiocarbon dating; Holocene climate variability; Northwestern Australia.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00496/60780/65034.pdf
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