基于SWAT模型的罗玉沟流域森林植被变化的水文生态响应研究  

Study on the Ecological Response of Hydrology on Forest Vegetation Change in Luoyu Watershed Based on the SWAT Model

作　　者：谢媛媛[1] 

机构地区：[1]西安铁路职业技术学院,西安710014

出　　处：《水土保持研究》2009年第4期197-202,共6页Research of Soil and Water Conservation

基　　金：国家科技部973计划(2002CB111502)

摘　　要：以甘肃天水罗玉沟流域为研究区,应用分布式水文模型(SWAT)对该流域的径流、泥沙和水质状况进行模拟研究,并重点探讨了降雨和森林植被变化对水文生态响应的影响。结果表明:降雨因子对径流的影响略大于对泥沙的影响;森林植被具有明显的减水减沙生态水文功能,尤其对泥沙的影响更大于对径流的影响。This thesis chooses Luoyugou watershed in Gansu province Tianshui city as the example research area,imitating and studying the runoff,sediment and water quality in the research area with the application of distributed hydrological model SWAT（the Soil and Water Assessment Tool）,and stressing on the influence of precipitation and forest vegetation change to ecological hydrology responds.The results show that the precipitation influences more to the runoff than sediment;forest vegetation cover have evidence ecological hydrology function of reducing runoff and sediment, especially influences more to the sediment than runoff.

关 键 词：水文生态响应 SWAT模型 森林植被变化 降雨 罗玉沟流域 

分 类 号：S715[农业科学—林学] X171[环境科学与工程—环境科学]