A Runoff Change Attribution Identification Method Considering the Temporal and Spatial Evolution of Land Use
A space-time evolution and runoff technology, applied in design optimization/simulation, special data processing applications, instruments, etc., can solve problems that cannot consider the space-time evolution of land use
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[0069] The technical solutions of the present invention will be further specifically described below through embodiments in conjunction with the accompanying drawings.
[0070] The present invention provides a runoff change attribution identification method considering the spatiotemporal evolution of land use, comprising the following steps:
[0071] Step 1. Divide the research period into natural period and change period according to the runoff mutation point;
[0072] Step 2, divide the change period into M segments according to the characteristics of land use evolution;
[0073] Step 3, establish a watershed SWAT model;
[0074] Step 4, according to the natural period data calibration watershed SWAT model parameters;
[0075] Step 5: Quantitative calculation of the rolling attribution of runoff changes in the watershed section by section and item by item.
[0076] In a further embodiment, the present invention adopts the Pettitt test method to conduct a mutation test on ...
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