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Temperature seasonality and ENSO variability in the northern South China Sea during the Medieval Climate Anomaly interval derived from the Sr/Ca ratios of Tridacna shell.
Liu, Chengcheng1,4; Yan, Hong1,2,3; Fei, Haobai1; Ma, Xiaolin1; Zhang, Wenchao5; Shi, Ge1,4; Soon, Willie6; Dodson, John1,7; An, Zhisheng1
2019-08-15
发表期刊Journal of Asian Earth Sciences
ISSN1367-9120
卷号180页码:103880
摘要

The nature of how the El Nino-Southern Oscillation (ENSO) and its seasonality respond to warmer climate is critical knowledge to predict future climates under the expected anthropogenic warming scenario. In this study, a sub-fossil Tridacna gigas specimen was collected from the northern SCS and AMS14C dating suggested that the animal lived around AD 1099, during the Medieval Climate Anomaly (MCA) interval, the most recent natural warm period of the late Holocene. Monthly Sr/Ca ratios were determined by the ICP-OES measurements and a 30-year long SST record was calculated based on a Sr/Ca-SST calibration equation. The results showed that the SST seasonality for this 30-year window around AD 1099 was about 3.11 [degree]C, which is smaller than the modern warm period (i.e., about 4.36 [degree]C for AD 1994 [approximately] 2005 interval). This new result is consistent with another published Tridacna gigas record that was dated around AD 990 from the northern SCS. The signals of ENSO activity were also extracted from the reconstructed SST record and statistical analyses yielded 9 El Nino events and 8 La Nina events within the 30-year record, indicating that the frequency of ENSO activity around AD 1099 was similar to the modern instrumental period.

收录类别SCI
语种英语
WOS研究方向Paleontology ; Zoology ; Biochemistry & Molecular Biology ; Environmental Sciences & Ecology
WOS类目PALEONTOLOGY ; ZOOLOGY ; BIOCHEMISTRY MOLECULAR BIOLOGY ; ECOLOGY
WOS记录号WOS:ZOOR15512083225
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/12937
专题古环境研究室
通讯作者Yan, Hong
作者单位1.Chinese Acad Sci, Inst Earth Environm, Xian, Shaanxi, 710061, China
2.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Shaanxi, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Ocean Univ China, Coll Marine Geosci, Qingdao 266100, Shandong, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Liu, Chengcheng,Yan, Hong,Fei, Haobai,et al. Temperature seasonality and ENSO variability in the northern South China Sea during the Medieval Climate Anomaly interval derived from the Sr/Ca ratios of Tridacna shell.[J]. Journal of Asian Earth Sciences,2019,180:103880.
APA Liu, Chengcheng.,Yan, Hong.,Fei, Haobai.,Ma, Xiaolin.,Zhang, Wenchao.,...&An, Zhisheng.(2019).Temperature seasonality and ENSO variability in the northern South China Sea during the Medieval Climate Anomaly interval derived from the Sr/Ca ratios of Tridacna shell..Journal of Asian Earth Sciences,180,103880.
MLA Liu, Chengcheng,et al."Temperature seasonality and ENSO variability in the northern South China Sea during the Medieval Climate Anomaly interval derived from the Sr/Ca ratios of Tridacna shell.".Journal of Asian Earth Sciences 180(2019):103880.
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