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Higher sea surface temperature in the northern South China Sea during the natural warm periods of late Holocene than recent decades
Yan, H (Yan, Hong)[ 2,1 ]; Sun, LG (Sun, Liguang)[ 1 ]; Shao, D (Shao, Da)[ 1 ]; Wang, YH (Wang, Yuhong)[ 3 ]; Wei, GJ (Wei, Gangjian)[ 4 ]
2014-11-01
Source PublicationCHINESE SCIENCE BULLETIN
Volume59Issue:31Pages:4115-4122
Subtype期刊论文
Abstract

The large-scale syntheses of global mean temperatures in IPCC fourth report suggested that the Northern Hemisphere temperature in the second half of the 20th century was likely the highest in at least the past 1,300 years and the 1990s was likely the warmest decade. However, this remains debated and the controversy is centered on whether temperatures during the recent half century were higher than those during the Medieval Climate Anomaly (MCA, AD 800-1300) and the Roman Warm Period (RWP, BC 200-AD 400), the most recent two natural warm periods of the late Holocene. Here the high resolution sea surface temperatures (SSTs) of two time windows around AD 990 (+/- 40) and AD 50 (+/- 40), which located in the MCA and RWP respectively, were reconstructed by the Sr/Ca ratio and delta O-18 of Tradacna gigas shells from the northern South China Sea. The results suggested that the mean SSTs around AD 990 (+/- 40) and AD 50 (+/- 40) were 28.1 A degrees C and 28.7 A degrees C, 0.8 A degrees C and 1.4 A degrees C higher than that during AD 1994-2005, respectively. These records, together with the tree ring, lake sediment and literature records from the eastern China and northwest China, imply that the temperatures in recent decades do not seem to exceed the natural changes in MCA, at least in eastern Asia from northwest China to northern SCS.

KeywordTridacna South China Sea Lateholocene Natural Warm Periods Sea Surfacetemperature
DOI10.1007/s11434-014-0317-3
Indexed BySCI
Language英语
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9828
Collection古环境研究室
Corresponding AuthorSun, LG (Sun, Liguang)[ 1 ]
Affiliation1.Institute of Polar Environment, School of Earth and SpaceSciences, University of Science and Technology of China,Hefei 230026, China;
2.State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment, Chinese Academy of Sciences,Xi’an 710075, China;
3.Advanced Management Research Center, Ningbo University,Ningbo 315211, China;
4.Guangzhou Institute of Geochemistry, Chinese Academy ofSciences, Guangzhou 510640, China
Recommended Citation
GB/T 7714
Yan, H ,Sun, LG ,Shao, D ,et al. Higher sea surface temperature in the northern South China Sea during the natural warm periods of late Holocene than recent decades[J]. CHINESE SCIENCE BULLETIN,2014,59(31):4115-4122.
APA Yan, H ,Sun, LG ,Shao, D ,Wang, YH ,&Wei, GJ .(2014).Higher sea surface temperature in the northern South China Sea during the natural warm periods of late Holocene than recent decades.CHINESE SCIENCE BULLETIN,59(31),4115-4122.
MLA Yan, H ,et al."Higher sea surface temperature in the northern South China Sea during the natural warm periods of late Holocene than recent decades".CHINESE SCIENCE BULLETIN 59.31(2014):4115-4122.
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