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- W2387421724 abstract "The daily observed data of surface suspended sediment concentration(SSC) at the Nanhui headland from May 2002 to October 2005,the observed data of tidal range,tidal level,wind speed and direction at the Nanhui hydrometeorological station and the water and sediment discharge data observed at Datong hydrographic station in the same period were used to study the periodicity and affecting mechanism of SSC variation.It is shown from the study results that(1) SSC has obvious neap-spring and seasonal variations with periods being 14.7 days and 368 days,respectively,on an average,SSC during the spring tide was 2.96 times as much as that during the neap tide,and SSC in winter was twice as much as that in summer;(2) correlation coefficient between daily SSC and tidal range on the same day in a mean neap-spring period of 15 days was 0.86,and correlation coefficients between tidal range and daily SSC with one day and two day lag were 0.99 and 0.93,respectively,which indicates that the effect of tidal range variation on SSC has a one day or two day hysteresis;(3) the monthly mean SSC was negatively correlated with the monthly mean water discharge at the Changjiang River Datong station,especially well with the water discharge with a lag of 19 days.The variations in daily SSC in the study area were mainly the neap-spring and seasonal variations,the neap-spring variations are controlled by the sediment settling and resuspension mechanism caused by the tidal dynamics,and the seasonal variations are controlled by the seasonal variations in riverine runoff,sea level,tidal range and wind condition in a year." @default.
- W2387421724 created "2016-06-24" @default.
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- W2387421724 date "2008-01-01" @default.
- W2387421724 modified "2023-09-23" @default.
- W2387421724 title "Seasonal and Tidal Variations in Suspended Sediment Concentration Under the Influence of River Runoff,Tidal Current and Wind Waves ——Taking the Nanhui Headland,the Joint Area Between Changjiang Estuary and Hangzhou Bay as an Example" @default.
- W2387421724 hasPublicationYear "2008" @default.
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