Arid
DOI10.3389/feart.2021.638178
Geochemical and Isotopic Evidence for Provenance of the Western Sea of Japan Over the Last 30000 Years
Dou, Ruxi; Zou, Jianjun; Shi, Xuefa; Zhu, Aimei; Dong, Zhi; Gorbarenko, Sergey; He, Lianhua; Gao, Jingjing; Zhang, Ying; Cui, Jingjing
通讯作者Zou, JJ ; Shi, XF (corresponding author), Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Geol & Metallogeny, Qingdao, Peoples R China. ; Zou, JJ ; Shi, XF (corresponding author), Pilot Natl Oceanog Lab Marine Sci & Technol Qingd, Lab Marine Geol & Environm, Qingdao, Peoples R China.
来源期刊FRONTIERS IN EARTH SCIENCE
EISSN2296-6463
出版年2021
卷号9
英文摘要The Sea of Japan (JS) is a unique marginal sea in the western North Pacific that is characterized by four shallow straits. It can provide information about the paleoenvironment, for instance indicating variations in the East Asian Monsoon, Tsushima Warm Current, sea ice coverage, and Westerly Jet. Compared with other marginal seas in the western North Pacific, the JS is currently the only marginal sea without influx from large rivers. It is, therefore, of interest to determine the source of terrigenous sediments over time, particularly in the western JS, which has been less investigated in previous reports. In this study, a suite of multi-proxies including Sr and Nd isotopes and minor elements were measured for fine fractions (<63 mu m) of core LV53-18-2 that were recovered from the western JS over the last 30 ka. Our results show that the sediments are rich in volcanic detritus and that the provenance of terrigenous sediments in the western JS is mainly derived from the arid region in northern China and coastal areas in the Far East. During the Last Glacial Maximum, the increased coverage of sea ice may have contributed to the accumulation of terrigenous debris. Meanwhile, the stronger East Asian Winter Monsoon and expansion of the Westerly Jet over northern China also carried more dust to the study area. However, the weakened atmospheric circulation and rise in sea level, induced by the ascending boreal insolation during the last deglaciation and early Holocene, remarkably reduced input of terrigenous debris, and the intense melting of sea ice delivered an amount of detritus from coastal areas to the research area. After 8 ka, the high stand sea level and opening of the Tatar Strait may have led to the development of the Liman Cold Current, which transports large quantities of volcanic materials to the study area continuously and produces more positive Eu anomalies, radiogenic epsilon Nd, and depleted sigma REE.
英文关键词Sr-Nd isotopes minor elements sea level the Liman Cold Current the Sea of Japan sediment provenance discrimination
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000639612100001
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/350276
作者单位[Dou, Ruxi; Zou, Jianjun; Shi, Xuefa; Zhu, Aimei; Dong, Zhi; He, Lianhua; Gao, Jingjing; Zhang, Ying; Cui, Jingjing] Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Geol & Metallogeny, Qingdao, Peoples R China; [Zou, Jianjun; Shi, Xuefa; Zhu, Aimei; Dong, Zhi; He, Lianhua; Gao, Jingjing; Zhang, Ying; Cui, Jingjing] Pilot Natl Oceanog Lab Marine Sci & Technol Qingd, Lab Marine Geol & Environm, Qingdao, Peoples R China; [Gorbarenko, Sergey] Russian Acad Sci, VI Ilichev Pacific Oceanol Inst, Far East Branch, Vladivostok, Russia
推荐引用方式
GB/T 7714
Dou, Ruxi,Zou, Jianjun,Shi, Xuefa,et al. Geochemical and Isotopic Evidence for Provenance of the Western Sea of Japan Over the Last 30000 Years[J],2021,9.
APA Dou, Ruxi.,Zou, Jianjun.,Shi, Xuefa.,Zhu, Aimei.,Dong, Zhi.,...&Cui, Jingjing.(2021).Geochemical and Isotopic Evidence for Provenance of the Western Sea of Japan Over the Last 30000 Years.FRONTIERS IN EARTH SCIENCE,9.
MLA Dou, Ruxi,et al."Geochemical and Isotopic Evidence for Provenance of the Western Sea of Japan Over the Last 30000 Years".FRONTIERS IN EARTH SCIENCE 9(2021).
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