Simulation of agricultural non-point source pollution in Xichuan by using SWAT model

This paper evaluated the applicability of using SWAT to access agricultural non-point source pollution in Xichuan area. In order to build the model, DEM, soil sort and land use map, climate monitoring data were collected as basic database. The SWAT model was calibrated and validated for the SWAT was...

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Bibliographic Details
Published inIOP conference series. Earth and environmental science Vol. 113; no. 1; pp. 12167 - 12170
Main Authors Xing, Linan, Zuo, Jiane, Liu, Fenglin, Zhang, Xiaohui, Cao, Qiguang
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.02.2018
Subjects
Climate monitoring
Coefficients
Land use
Nonpoint source pollution
Phosphorus
Point source pollution
Pollution sources
Solid suspensions
Stream discharge
Stream flow
Suspended solids
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Summary:This paper evaluated the applicability of using SWAT to access agricultural non-point source pollution in Xichuan area. In order to build the model, DEM, soil sort and land use map, climate monitoring data were collected as basic database. The SWAT model was calibrated and validated for the SWAT was carried out using streamflow, suspended solids, total phosphorus and total nitrogen records from 2009 to 2011. Errors, coefficient of determination and Nash-Sutcliffe coefficient were considered to evaluate the applicability. The coefficient of determination were 0.96, 0.66, 0.55 and 0.66 for streamflow, SS, TN, and TP, respectively. Nash-Sutcliffe coefficient were 0.93, 0.5, 0.52 and 0.63, respectively. The results all meet the requirements. It suggested that the SWAT model can simulate the study area.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/113/1/012167