The sediment discharge in Jialing River basin has decreased significantly over the past 20years.This change will have a major impact on the Yangtze River Three Gorges reservoir area of water and sediment movement and changes in sediment yield and deposition.The objectives of this study are to quantify the decreasing trends of precipitation,streamflow and sediment discharge during 1956-2008and to statistically identify change points or transition years in the changing trends.Results showed that strong decrea...
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