Temporal-Spatial Variation of Surface Suspended Matter and Controlling Factors in the Inner Shelf of the East China Sea in Winter

作者：MIN; Jianxiong; LI; Guangxue; DING; Do...innershelfoftheeastchinaseamoderateresolutionimaginespectroradiometersurfacesuspendedmattermonthlydistributionvariation

摘要：Based on the observed surface suspended matter in the East China Sea in February 2007 and June 2015,an empirical model was established using L1b’s band 4 data to retrieve surface suspended matter from the Moderate Resolution Imagine Spectroradiometer Terra imagery.The squared correlation coefficient is 0.8358,and the root mean square error is 0.4285mgL^-1.The model reflects the distribution characteristics of surface suspended matter in the inner shelf of the East China Sea.In this paper,the satellite images of the study area were retrieved in January from 2001 to 2015,and the monthly distribution of surface suspended matter were obtained.The inter-annual distribution of the study area is similar,and the concentration of surface suspended matter is higher near the shore than offshore.A large amount of surface suspended matter is transported southeast under the influence of Zhejiang and Fujian coastal current and Taiwan warm current.Only a small amount of surface suspension can reach the Kuroshio area.The surface suspended matter concentration changes obviously near the estuary because of the effect of differences in the flux of the Yangtze River.Meanwhile,winter monsoon,temperature front,El Nino events,and other factors affect the distribution of surface suspended matter in 100 m isobath to coastal water but minimally influence the distribution in 100m isobath to deep sea.

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