High-resolution summer precipitation variations in the western Chinese Loess Plateau during the last glacial

We present a summer precipitation reconstruction for the last glacial (LG) on the western edge of the Chinese Loess Plateau (CLP) using a well-dated organic carbon isotopic dataset together with an independent modern process study results. Our results demonstrate that summer precipitation variations...

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Bibliographic Details
Published inScientific reports Vol. 3; no. 1; p. 2785
Main Authors Rao, Zhiguo, Chen, Fahu, Cheng, Hai, Liu, Weiguo, Wang, Guo'an, Lai, Zhongping, Bloemendal, Jan
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 27.09.2013
Nature Publishing Group
Subjects
704/106/35
704/106/413
704/106/47
704/106/694
Atmospheric circulation
Humanities and Social Sciences
Isotopes
Monsoons
multidisciplinary
Precipitation
Science
Wind
East Asia
Loess Plateau
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Summary:We present a summer precipitation reconstruction for the last glacial (LG) on the western edge of the Chinese Loess Plateau (CLP) using a well-dated organic carbon isotopic dataset together with an independent modern process study results. Our results demonstrate that summer precipitation variations in the CLP during the LG were broadly correlated to the intensity of the Asian summer monsoon (ASM) as recorded by stalagmite oxygen isotopes from southern China. During the last deglaciation, the onset of the increase in temperatures at high latitudes in the Northern Hemisphere and decline in the intensity of the East Asia winter monsoon in mid latitudes was earlier than the increase in ASM intensity and our reconstructed summer precipitation in the western CLP. Quantitative reconstruction of a single paleoclimatic factor provides new insights and opportunities for further understanding of the paleoclimatic variations in monsoonal East Asia and their relation to the global climatic system.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep02785