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This study was undertaken in Danjiangkou reservoir and the upper reaches, where the SWAT model was used to analyze the space distribution of non-point source pollution. The land-use pattern was interpreted by Environment for Visualizing Images Software (ENVI). The runoff and the sediment data series from 2001 to 2006 were collected to calibrate the parameters and validate the model. The calculated...
Karst rocky desertification is a kind of serious land degradation. And it is the third-largest ecological and environmental problem compared with China northwest desertification and soil erosion in loess plateau. Besides, fractal geometry theory is mainly used to explore the regularity, hierarchy and scale invariance hide in complex natural phenomena. And it is a new research angle that the fractal...
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