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The importance of solar insolation on the temperature variations for the past 110 kyr on the Chinese Loess Plateau
Gao, L (Gao, Li)1; Nie, JS (Nie, Junsheng)2; Clemens, S (Clemens, Steven)1; Liu, WG (Liu, Weiguo)3; Sun, JM (Sun, Jimin)4; Zech, R (Zech, Roland)1; Huang, YS (Huang, Yongsong)1
2012-02-01
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
Volume317Pages:128-133
Subtype期刊论文
Abstract

The late Quaternary temperature history on the Chinese Loess Plateau (CLP) is little known due to the absence of suitable paleothermometers. Here, we present a quantitative temperature record for the last 110 kyr from Lantian county, southern CLP, based on the distributions of bacterial tetraethers. Lantian loess temperature variations display significant correlation with the Northern Hemisphere insolation (35 degrees N) as well as the cave monsoon records at the precession band. We attribute such correlation to both the latent heat release from the East Asian summer monsoon and the direct influence of Sun's sensible heat over the semi-arid landscape. The long term cooling during the Marine Isotope Stage (MIS) 3 and the modest temperature drop of similar to 5 degrees C from 79 to 65 ka are best explained by interactions among multiple climate ford ngs including insolation, atmospheric CO2 concentration, global ice volume, and regional glacier activities. The cold and modestly wet climate during MIS 3 may have promoted maximum regional glacial advances, whereas the minimal temperature during local LGM reduced moisture transfer and led to glacial recession. The unusually early deglacial warming at similar to 22.5 ka highlights the importance of regional climate records to decipher the complex continental climate dynamics.

KeywordSolar Insolation Temperature Chinese Loess Plateau 110 Kyr
DOI10.1016/j.palaeo.2011.12.021
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10188
Collection加速器质谱中心
Corresponding AuthorHuang, YS (Huang, Yongsong)1
Affiliation1.Department of Geological Sciences, Brown University, Providence, RI 02912, USA;
2.Key Laboratory of Western China's Environment System, Ministry of Education, Lanzhou University, Lanzhou, Gansu 730000, China;
3.State Key Laboratory of Loess and Quaternary Geology, IEE, CAS, Xi'an 710075, China;
4.Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, Beijing 100029, China
Recommended Citation
GB/T 7714
Gao, L ,Nie, JS ,Clemens, S ,et al. The importance of solar insolation on the temperature variations for the past 110 kyr on the Chinese Loess Plateau[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2012,317:128-133.
APA Gao, L .,Nie, JS .,Clemens, S .,Liu, WG .,Sun, JM .,...&Huang, YS .(2012).The importance of solar insolation on the temperature variations for the past 110 kyr on the Chinese Loess Plateau.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,317,128-133.
MLA Gao, L ,et al."The importance of solar insolation on the temperature variations for the past 110 kyr on the Chinese Loess Plateau".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 317(2012):128-133.
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