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Holocene Temperature Records from the East China Sea Mud Area Southwest of the Cheju Island Reconstructed by theU_(37)~K~' and TEX_(86) Paleothermometers

查看全文 作　　者：XING [1,2]Lei;JIANG [1,2]Yiqing;YUAN [1,2]Zineng;ZHANG [1,2]Hailong;LI [1,2]Li;ZHOU [3]Liping;ZHAO [1,2]Meixun 高影响力作者 机构地区：[1]Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China;[2]Institute of Marine Organic Geochemistry, Ocean University of China;[3]MoE Laboratory for Earth Surface Processes, Department of Geography, and Centre for Ocean Research, Peking University高影响力机构 出　　处：《Journal of Ocean University of China》索引2013年第12卷第4期,共6页高影响力期刊 基　　金：supported by the National Basic Research Program of China(973 Program 2010CB428901);the National Natural Science Foundation of China(Grant Nos.41221004,41276068);the ‘111’ Project 摘　　要：As an important marginal sea under the influences of both the Changjiang River and the Kuroshio,the East China Sea (ECS) environment is sensitive to both continental and oceanic forcing.Paleoenvironmental records are essential for understanding the long-term environmental evolution of the ECS and adjacent areas.However,paleo-temperature records from the ECS shelf are currently very limited.In this study,the'K37U and TEX86paleothermometers were used to reconstruct surface and subsurface temperature changes of the mud area southwest of the Cheju Island (Site F10B) in the ECS during the Holocene.The results indicate that temperature changes of F10B during the early Holocene (11.6 6.2 kyr) are associated with global climate change.During the period of 6.2 2.5 kyr,the similar variability trends of smoothing average of T (the difference between surface and subsurface temperature) of Site F10B and the strength of the Kuroshio suggest that the Kuroshio influence on the site started around 6.2 kyr when the Kuroshio entered the Yellow Sea and continued to 2.5 kyr.During the late Holocene (2.5 1.45 kyr) ,apparent decreases of'K37U sea surface temperature (SST) and T imply that the direct influence of the Kuroshio was reduced while cold eddy induced by the Kuroshio gradually controlled hydrological conditions of this region around 2.5 kyr. 关 键 词：全新世晚期 东海泥质区 温度记录 东中国海 济州岛 西南 全球气候变化 环境演变
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