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	1. Northward drift of suspended sediment concentration in the Yangtze estuary in spring
	Zhang Xinfeng ,Xuchang Ye
	Earth Science 13 November 2012
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	Abstract:The spatial distributions of suspended sediment concentration (SSC) in spring from 2007 to 2011 were analyzed in the Yangtze (Changjiang) estuary and coastal seas using remote sensing data of MODIS. The results indicated that high concentration areas of SSC did not directly surround the Yangtze estuary but concentrated northwards considerably along the coast about 100km. The driving of Taiwan warm current, the southward drift of SSC along the coast and also the river discharges should be the mixed reasons for this northward concentration of SSC. The coastal current also drove the SSC along the coast to the high concentration area of SSC. The first EOF pattern, demonstrated by EOF analysis, explained the dominant distribution pattern of SSC in the study area. This controlling pattern should be caused by the joint effects of northeast wind, the coastal current and Taiwan warm current. The SSC dispersed and extended with a wide range from 122 E to 126 E (about 400km), and 30 N to 34 N (about 440km). SSC in spring of 2010 and 2011 was obviously higher than that in the previous three years. It suggested that the suspended sediment and associate contaminant, discharged from the Yangtze River, was increasing in recent two years.
	TO cite this article:Zhang Xinfeng ,Xuchang Ye. Northward drift of suspended sediment concentration in the Yangtze estuary in spring[OL].[13 November 2012] http://en.paper.edu.cn/en_releasepaper/content/4495133


	2. 9,400 yr B.P.: the mortality of mollusk shell (Mya truncata) at high Arctic is associated with a sudden cooling event
	Yuan Linxi,Sun Liguang,Wei Gangjian,Long Nanye,Xie Zhouqing,Wang Yuhong
	Earth Science 13 January 2010
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	Abstract:We collected a 118-cm-long and well-preserved sediment profile, which contains a large number of mollusk shell fragments - predominantly Mya truncata, from a paleo-notch on Ny-Ålesund, Svalbard, high Arctic. AMS14C dating and stable oxygen and carbon isotope analyses were performed on the shell fragments. The average reservoir-corrected radiocarbon age is ~9,400 yr B.P., indicating the mortality time of fossil mollusk in the paleo-notch sediments. The aragonite isotopic temperature equation was calibrated for Ny-Ålesund based on the δ18O profiles of modern mollusks. The calculated paleotemperature was between – 0.52 and + 4.78 ºC, warmer than today by about 1 ºC; and this is consistent with the reconstructed Sea Surface Temperature (SST) in west Svalbard. As inferred from reduced insolation, weakened thermohaline circulation (THC), and abrupt decreased SST, there was an abrupt cooling event at ~9,400 yr B.P.; and this cooling event very likely caused the mortality of the fossil mollusks. While great amount of attention has been paid towards global warming in today\\\
	TO cite this article:Yuan Linxi,Sun Liguang,Wei Gangjian, et al. 9,400 yr B.P.: the mortality of mollusk shell (Mya truncata) at high Arctic is associated with a sudden cooling event[OL].[13 January 2010] http://en.paper.edu.cn/en_releasepaper/content/38889

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