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Sources and burial of particulate organic matter in the Kuroshio mainstream and its response to climate change over the past millennium
Wang, Qidong1,2,3; Song, Jinming1,2,3; Yuan, Huamao1,2,3; Li, Xuegang1,2,3; Li, Ning1,2,3; Wang, Yueqi1,2,3
2018-12-01
Source PublicationGEO-MARINE LETTERS
ISSN0276-0460
Volume38Issue:6Pages:497-511
SubtypeArticle
AbstractSedimentation rate and biogenic elements of a sediment core KET-1 recovered from Kuroshio Mainstream, east of Taiwan, were determined to investigate variation of organic carbon burial and its response to climate fluctuations. The results showed that the organic carbon burial flux was mainly depended on the sedimentation rate and the input of river particles had a dilution effect on total organic carbon (TOC) content of the sediment. Based on the organic carbon burial flux, the entire depositional process could be divided into three stages, which exactly corresponded to three specific climate periods over the past millennium. During the Medieval Warm Period (MWP, ad 1150-1250), the strong East Asian summer monsoon (EASM) caused more river input to the sea, resulting in high sedimentation rate and high organic carbon burial flux, meanwhile the dilution effect of river particles as well as low marine primary productivity resulted in relatively low proportion of marine organic matter (MOM) in the sediment, which was reflected by low TOC content. During the Little Ice Age (LIA, ad 1400-1835), lower organic burial flux and higher marine primary productivity as well as higher TOC content in the sediment were accompanied by weakened EASM. In the Modern Period (MP, ad 1835-present), however, the correlation between organic carbon burial and climate fluctuations that was found to be significant during the MWP and LIA had been greatly changed, and anthropogenic forcing was thought to be the primary driving factor. Overall, the climate variability and anthropogenic activities over the past millennium dominated the organic carbon burial in the sediment along the Kuroshio mainstream.
Subject AreaGeology ; Oceanography
DOI10.1007/s00367-018-0551-9
Indexed BySCIE
Language英语
WOS Research AreaGeosciences, Multidisciplinary ; Oceanography
WOS IDWOS:000450524300003
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157515
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Recommended Citation
GB/T 7714
Wang, Qidong,Song, Jinming,Yuan, Huamao,et al. Sources and burial of particulate organic matter in the Kuroshio mainstream and its response to climate change over the past millennium[J]. GEO-MARINE LETTERS,2018,38(6):497-511.
APA Wang, Qidong,Song, Jinming,Yuan, Huamao,Li, Xuegang,Li, Ning,&Wang, Yueqi.(2018).Sources and burial of particulate organic matter in the Kuroshio mainstream and its response to climate change over the past millennium.GEO-MARINE LETTERS,38(6),497-511.
MLA Wang, Qidong,et al."Sources and burial of particulate organic matter in the Kuroshio mainstream and its response to climate change over the past millennium".GEO-MARINE LETTERS 38.6(2018):497-511.
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