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[1]QI Min,ZHANG Chao.Runoff Simulation in Aksu River Basin Based on SWAT Model[J].Research of Soil and Water Conservation,2017,24(03):283-287.

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Runoff Simulation in Aksu River Basin Based on SWAT Model

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 03 Page number: 283-287 Column: Public date: 2017-06-28

Title:: Runoff Simulation in Aksu River Basin Based on SWAT Model

Author(s):: QI Min, ZHANG Chao; Southwest Forestry University, Kunming 650224, China

Keywords:: Aksu River Basin; SWAT model; runoff simulation; monthly runoff

CLC:: P333.1

DOI:: -

Abstract:: The Aksu River Basin is located in the arid northwest China, which has a large area of glacier and snow. In the situation of water scarcity, the runoff change has a great influence on reasonable optimization of water resources and the protection of ecological environment. In order to study the characteristics of snowmelt runoff in Aksu River Basin, SWAT, the distributed hydrological model, was used to simulate the monthly snowmelt runoff. The DEM data, landuse data, soil data were collected to build the geographic information database. The daily meteorological data from 7 national meteorological stations in Aksu River Basin during the period from 1980 to 2013 and the observed monthly hydrological data of the Alaer hydrological station in the Aksu River Basin were used to simulate the monthly runoff. The results indicated that the SWAT model had a good applicability for Aksu River basin. The relative error(R_E) of the model between the simulated results and the observed data was less than 8% both in calibration and validation. The coefficient of determination (R²) and the Nash-Sutcliffe (NS) were both larger than 0.82. The SWAT model meets the evaluation criteria and provides the reference for developing the distributed hydrological model in the arid region of high altitude.

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