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Last deglaciation in the Okinawa Trough: Subtropical northwest Pacific link to Northern Hemisphere and tropical climate
Sun, YB; Oppo, DW; Xiang, R; Liu, WG; Gao, S; youbin@eps.su-tokyo.ac.jp; doppo@whoi.edu
2005
发表期刊PALEOCEANOGRAPHY
ISSN0883-8305
卷号20期号:4页码:-PA4005
摘要[1] Detailed deglacial and Holocene records of planktonic delta O-18 and Mg/Ca - based sea surface temperature (SST) from the Okinawa Trough suggest that at similar to 18 to 17 thousand years before present (kyr B. P.), late spring/ early summer SSTs were approximately 3 degrees C cooler than today, while surface waters were up to 1 practical salinity unit saltier. These conditions are consistent with a weaker influence of the summer East Asian Monsoon (EAM) than today. The timing of suborbital SST oscillations suggests a close link with abrupt changes in the EAM and North Atlantic climate. A tropical influence, however, may have resulted in subtle decoupling between the North Atlantic and the Okinawa Trough/EAM during the deglaciation. Okinawa Trough surface water trends in the Holocene are consistent with model simulations of an inland shift of intense EAM precipitation during the middle Holocene. Millennial-scale alternations between relatively warm, salty conditions and relatively cold, fresh conditions suggest varying influence of the Kuroshio during the Holocene.
部门归属Nanjing Univ, Dept Earth Sci, Inst Surficial Geochem, Nanjing 210008, Peoples R China; Woods Hole Oceanog Inst, Dept Geol & Geophys, Woods Hole, MA 02543 USA; Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Peoples R China; Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710054, Peoples R China; Nanjing Univ, Minist Educ Key Lab Coast & Isl Dev, Nanjing 210093, Peoples R China
学科领域Geosciences, Multidisciplinary ; Oceanography ; Paleontology
收录类别sci
资助项目海洋地质
WOS记录号WOS:000232654500001
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被引频次:69[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4846
专题中科院边缘海地质重点实验室
通讯作者youbin@eps.su-tokyo.ac.jp; doppo@whoi.edu
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Sun, YB,Oppo, DW,Xiang, R,et al. Last deglaciation in the Okinawa Trough: Subtropical northwest Pacific link to Northern Hemisphere and tropical climate[J]. PALEOCEANOGRAPHY,2005,20(4):-PA4005.
APA Sun, YB.,Oppo, DW.,Xiang, R.,Liu, WG.,Gao, S.,...&doppo@whoi.edu.(2005).Last deglaciation in the Okinawa Trough: Subtropical northwest Pacific link to Northern Hemisphere and tropical climate.PALEOCEANOGRAPHY,20(4),-PA4005.
MLA Sun, YB,et al."Last deglaciation in the Okinawa Trough: Subtropical northwest Pacific link to Northern Hemisphere and tropical climate".PALEOCEANOGRAPHY 20.4(2005):-PA4005.
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