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Analysis on Effect of Spatial Distribution of Rainfall on Runoff Modeling in Xixi Watershed of Jinjiang Basin

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Abstract:

The effect of spatial distribution of rainfall is considered to be main uncertain factor for hydrologic simulation. Based on calibration and validation of the SWAT model, using the 15 rainfall stations data ，analyzed the effect of spatial distribution of rainfall on runoff modeling in Xixi Watershed of Jinjiang basin. The results show that the difference of the rainfall spatial distribution is very obvious by calculating standard deviation. The effect of the difference of rainfall spatial distribution to simulation results is significant by comparing runoff simulation of different years in which the average of all rainfall stations precipitation was similar. The uncertain spatial distribution of rainfall must be considered in the hydrological simulation.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 212-213)

Pages:

151-154

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.212-213.151

Citation:

Cite this paper

Online since:

October 2012

Authors:

Yang Gao, Hong Mei Zhang, Guo Wei Xu

Keywords:

Runoff, Spatial Distribution of Rainfall, SWAT, Xixi Watershed

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