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Employing the histogram matching approach, the sediment regime alteration of the upper Yangtze River was assessed and its possible causes and environmental influences were discussed. Daily sediment load and flow data from 1950 to 2008 were collected from Yichang hydrometric station. The annual sediment load series was segmented by heuristic segmentation algorithm in 1986 and 2003, and the multi-year...
The hydrologic system is dynamic and nonlinear because of the influence of climate change, vegetation, topography and human activities, which makes the system variable, complex and hard to be described and characterized. Wavelet Analysis which has Multi-resolution Analysis function can mine more detail information in multiscale and adapt to the dynamic and nonlinear system. The periodicity and the...
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