松华坝水源区不同LUCC情境下地表径流深变化初步研究  

The Surface Runoff Depth Change Research under Different Situation of Land Use/Land Cover in Songhuaba Water Source Region

作　　者：董铭[1] 史正涛[1] 李滨勇[2] 明庆忠[1] 于峰[1] 谢飞帆[1] 

机构地区：[1]云南师范大学旅游与地理科学学院,云南昆明650092 [2]北京师范大学资源学院,北京100875

出　　处：《遥感技术与应用》2009年第5期642-647,I0005,共7页Remote Sensing Technology and Application

基　　金：云南省应用基础研究计划面上项目(2006D0028Q);云南省中青年学术技术带头人培养项目(2007py01-43);国家自然科学基金项目(40872118)

摘　　要：通过解译昆明市松华坝水源区两期Landsat TM(1992年、2001年)影像获得该区土地利用土地覆被变化(LUCC)数据,结合流域DEM、水文、气象、土壤等数据运行SWAT水文模型,模拟了松华坝水源区1992年～2001年期间逐年、逐月的地表径流。并用实测值对该模型进行参数率定。基于率定好的模型,预测了在假定的4种LUCC情境下地表径流的变化情况,其结论如下:①水源区内无植被,径流深增加了53.87mm;②水源区内耕地和园地全部转变为林地,径流深增加了3.62mm;③水源区内居民点及工矿用地、耕地和园地全部转换为林地,径流深增加了13.73mm;④水源区内全部为林地,径流深增加了6.99mm。其中,情境①伴随严重水土流失。在不同程度封山育林情境中,情境③更能增大地表径流深。The two maps of LUCC of Songhuaba water source region in Kunming city was obtained through the interpretation of two Landsat TM Images acquired in 1992 and 2001 respectively.SWAT hydrological model was operated to simulate the yearly and monthly surface runoff during 1992 to 2001 in this area combined with the analysis of the LUCC,DEM,hydrological data,meteorological data,soil data and so on.According to model calibration,4 kinds of LUCC cases are set to predict the Changes of runoff.The conclusions are as follows：case one：if it is a non-vegetation area,the runoff depth will increase 53.87 mm;case two：if farmlands and garden plots become woodlands,the runoff depth increase 3.62 mm;case three：if habitations,industrial and mining areas,farmlands and garden plots turn into woodlands,the runoff depth increase 13.73 mm;case four：if there are only woodlands,the runoff depth increase 6.99 mm.The case one might associate with heavy soil erosion.In the case there,runoff depth can be increased m ore than that in other different afforestation situations.

关 键 词：松华坝水源区 LUCC SWAT模型 地表径流深 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]