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Title

High-resolution UK37 temperature reconstructions in the South China Sea over the past 220 kyr

AuthorsPelejero, Carles ; Grimalt, Joan O.; Heilig, Stephanie; Kienast, Markus; Wang, Luejiang
Issue DateApr-1999
PublisherAmerican Geophysical Union
CitationPaleoceanography 14(2): 224–231 (1999)
AbstractPast sea surface temperatures (SST) in the northern and southern areas of the South China Sea have been reconstructed for the past 220 kyr using the UK37 alkenone index. The SST profiles follow the glacial/interglacial pattern exhibiting differences between Last Glacial Maximum and Holocene that are 1°–3°C larger than those observed at the same latitudes in the Atlantic and Pacific Oceans. In Termination I both planktonic foraminiferal δ18O and SST exhibit well-defined Bølling-Allerød and Younger Dryas events with temperature differences between both periods of 0.8° and 0.4°C in north and south, respectively. SSTs record a constant north-south difference of 1°C in the interglacials and nearly 2.5°C in the glacial stages. These differences define two distinct climatic and water circulation patterns that correspond with glacial/interglacial sea level oscillations which opened and closed water exchange with the tropical Indo-Pacific Ocean through the present Sunda Shelf.
Description8 pages, 4 figures, 2 tables.
Publisher version (URL)http://dx.doi.org/10.1029/1998PA900015
URIhttp://hdl.handle.net/10261/36191
DOI10.1029/1998PA900015
ISSN0883-8305
Appears in Collections:(IDAEA) Artículos
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