globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.09.001
论文题名:
High resolution climate and environmental changes of the northern Japan (East) Sea for the last 40 kyr inferred from sedimentary geochemical and pollen data
作者: Gorbarenko S.A.; Nam S.-I.; Rybiakova Y.V.; Shi X.; Liu Y.; Bosin A.A.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 414
起始页码: 260
结束页码: 272
语种: 英语
英文关键词: Last 40ka ; Millennial climate changes ; Northern Japan (East) Sea ; Sea level
英文摘要: High-resolution lithological and isotope-geochemical analyses were made on a well age constrained sediment from the northeastern Japan (East) Sea which recorded 10 dark layers (DL) over the last 40kaBP. Pollen analysis of the core allows us to reconstruct the history of surrounding landmass vegetation and to determine pronounced vegetation/climate changes. We found that DL 10 which correlated with a DO/Chinese interstadial 8 was forced by increased East Asian humidity and influx of the nutrient-rich water into the sea. DL 5 formed during the cold Heinrich event 3 (HE), at 30-31 ka BP, was most likely to be initiated by the global sea level descent and reduction of seawater exchange with the North Pacific. High resolution of δ18Opf records reflects a unique sensitivity of the Japan (East) Sea to input of the North Pacific water through the shallow Tsushima and Tsugaru Straits. This led us to the important evidence of the eustatic-sea level changes during the last 40 ka BP. Since 29 ka BP, δ18Opf curve shows a continuous descending sea level interrupted by sharp drops of HE 2 with a following rise of DO interstadial 2. A sharp δ18Opf increase since 18.6kaBP is consistent with coral results which indicate abrupt termination of LGM low stand by a rapid sea level rise initiated at 19.0kaBP. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69202
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作者单位: V.I. II'ichev Pacific Oceanological Institute, FEB RAS, 43 Baltyiskaya Str., Vladivostok, Russian Federation; Korea Polar Research Institute, Songdomirae-ro, Yeonsu-gu, Incheon, South Korea; First Institute of Oceanography, State Oceanic Administration, 6 Xianxialing Road, Qingdao, China

Recommended Citation:
Gorbarenko S.A.,Nam S.-I.,Rybiakova Y.V.,et al. High resolution climate and environmental changes of the northern Japan (East) Sea for the last 40 kyr inferred from sedimentary geochemical and pollen data[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,414
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