Runoff response to land use based on soil and water assessment tool in Naoli river basin in Sanjiang plain

被引：0

作者：

Sun B.-M. ^{[1
]}

Chen J. ^{[1
]}

Wu X. ^{[2
]}

Chen D. ^{[1
]}

机构：

[1] Key Laboratory of Efficient Irrigation-Drainage, Agricultural Soil-Water Environment in Southern China of Ministry of Education, College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing

[2] Nanjing Yangtze River Management Office, Nanjing

来源：

Journal of Computational and Theoretical Nanoscience | 2016年 / 13卷 / 04期

关键词：

Land use changes; Runoff; SWAT model;

D O I：

10.1166/jctn.2016.4607

中图分类号：

学科分类号：

摘要：

The Soil and Water Assessment Tool (SWAT2009) Model was applied to assess the impact of land use changes on runoff in Naoli river basin of Sanjiang plain, China. The model was calibrated for the period from 2004 to 2006 and validated for the period from 2007 to 2008 using the observed runoff data from three hydrology gauging stations within the watershed. The calibration (R2=0.71-0.88, Ens=0.70-0.87) and validation (R2=0.67-0.81, Ens=0.75-0.78) results were satisfactory for the outlet of the watershed. Four land use changes scenarios were set up and put into calibrated SWAT. The results shown that returning agricultural lands (paddy and dry lands) to forest lands, grasslands and wetlands was of great help for decreasing the average annual runoff in Naoli river basin of Sanjiang plain. Therefore, to decrease the frequency of flood, the effect of land use changes on runoff should be considered by the policymakers of water management and land use in Naoli river basin in Sanjiang plain. © Copyright 2016 American Scientific Publishers All rights reserved.

引用

页码：2491 / 2495

页数：4

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