水资源保护2018,Vol.34Issue(3):45-51,7.DOI:10.3880/j.issn.1004-6933.2018.03.07
土地利用变化对东江流域产流过程影响的定量评估
Quantitative assessment on influence of land use change on process of runoff production in Dongjiang River Basin
摘要
Abstract
The runoff process of Dongjiang River Basin was simulated based on SWAT (soil and water assessment tool),and the model was droved using different land use data of the year of 1990、2000 and 2009 to evaluated quantitatively the influence of land use change on the process of runoff production in Dongjiang River Basin.The results showed that (1) R2 and ENS of calibration and validation were (0.89,0.87) and (0.88,0.87),respectively.SWAT model performed well in Dongjiang River basin.In recent years,the area of forest and grassland has reduced,while the area of garden land,urban land and water has increased.(2) Under the influence of this,sideward flow and base flow was decreased by 9.66 mm and 4.86 mm,respectively.The surface runoff,actual evaporation and potential evapotranspiration were increased by 8.26 mm,6.4 mm and 4.4 mm,respectively.The total runoff was decreased by 6.38 mm.(3) Surface runoff,sideward flow were more sensitive to land use change during rainy seasons,and actual evaporation,potential evapotranspiration and total runoff were more sensitive to land use change during dry seasons.关键词
土地利用变化/水文响应/SWAT模型/东江流域Key words
land use change/hydrological response/SWAT model/Dongjiang River Basin分类
天文与地球科学引用本文复制引用
吕乐婷,张杰,江源,郑德凤,王晓蕊..土地利用变化对东江流域产流过程影响的定量评估[J].水资源保护,2018,34(3):45-51,7.基金项目
国家水体污染控制与治理科技重大专项(2012ZX07501002-04) (2012ZX07501002-04)
国家自然科学基金(41701208) (41701208)