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Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea
Chen, Wanli1,2; Liu, Gang3; Wu, Shiguo1,2,4; Ma, Benjun5,6; Gao, Jinwei1; Zhang, Hanyu1
2021-02-10
Source PublicationGEOLOGICAL JOURNAL
ISSN0072-1050
Pages15
AbstractTropical coral reef lagoons that are characterized by high deposition rates are potentially useful for high-resolution palaeoenvironmental reconstructions. We present the geochemical and accelerator mass spectrometry (AMS) C-14-dating data of a 113-cm gravity core obtained from the Yongle atoll lagoon in the South China Sea. The core record preserves a continuous 1,500-year depositional history of the back-reef lagoon environment, with sedimentation rates varying from 0.55 to 1.55 mm yr(-1) (mean of 0.74 mm yr(-1)). Calcium carbonate (CaCO3) production was calculated based on the sediment accumulation rates and sediment density to be 807 g m(-2) yr(-1). The geochemical records of the studied core displayed a progressively increasing trend of storms over the past 1,500 years. The stable carbon and oxygen isotopes of the lagoon sediment have the potential to record monsoon intensity. The lagoon system of the Yongle atoll appears to have been influenced by minor terrestrial input from 1,500 calendar years before present (cal yr BP) to 500 cal yr BP, and by a strong anthropogenic influence over the past 200 years.
KeywordC-14 AMS dating carbonate accumulation rate geochemical composition tropical coral reef lagoon Yongle atoll
DOI10.1002/gj.4089
Indexed BySCI
Funding OrganizationHainan Provincial Natural Science Foundation of China ; Georesource Bureau of Hainan Province ; National Major Science and Technology Program ; National Natural Science Foundation of China
Language英语
Funding ProjectHainan Provincial Natural Science Foundation of China[418QN306] ; Georesource Bureau of Hainan Province[SQ2016KJHZ0027] ; National Major Science and Technology Program[2017ZX05026006] ; National Natural Science Foundation of China[U1701245] ; National Natural Science Foundation of China[41706051]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000616741300001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.idsse.ac.cn/handle/183446/8500
Collection深海科学研究部_深海地球物理与资源研究室
Corresponding AuthorWu, Shiguo
Affiliation1.Inst Deep Sea Sci & Engn, Lab Marine Geophys & Georesources, Sanya 572000, Peoples R China
2.Univ China Acad Sci, Beijing, Peoples R China
3.Marine Geol Survey Inst Hainan Prov, Key Lab Marine Geol Resources & Evironment Hainan, Haikou, Hainan, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
5.Harbin Engn Univ, Acoust Sci & Technol Lab, Harbin, Peoples R China
6.Harbin Engn Univ, Coll Underwater Acoust Engn, Harbin, Peoples R China
Recommended Citation
GB/T 7714
Chen, Wanli,Liu, Gang,Wu, Shiguo,et al. Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea[J]. GEOLOGICAL JOURNAL,2021:15.
APA Chen, Wanli,Liu, Gang,Wu, Shiguo,Ma, Benjun,Gao, Jinwei,&Zhang, Hanyu.(2021).Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea.GEOLOGICAL JOURNAL,15.
MLA Chen, Wanli,et al."Late Holocene lagoon succession and its response to environmental variations at Yongle atoll, Xisha Islands, South China Sea".GEOLOGICAL JOURNAL (2021):15.
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