小流域容许产水产沙量的概念与确定方法  

Conception and Definition Method of Tolerant Water Yield and Sediment Yield of Small Watershed

作　　者：杜树汉[1,2] 刘刚才[2] 

机构地区：[1]中国科学院研究生院,北京100039 [2]中国科学院水利部成都山地灾害与环境研究所,四川成都610041

出　　处：《安徽农业科学》2011年第7期4132-4134,4137,共4页Journal of Anhui Agricultural Sciences

基　　金：国家自然科学基金项目(40971168)

摘　　要：提出了小流域容许产水产沙量的概念及确定方法,指出小流域容许产水产沙量的主要影响因素为:成土速率、土地生产力、水体水质、泥沙输移量、水资源量。The conception and definition method of tolerant water yield and sediment yield of small watershed were put forward.The main influencing factors of tolerant water yield and sediment yield of small watershed were soil forming rate,productivity of land,water body and water quality,sediment transport amount and quantity of water resources.

关 键 词：容许产水产沙量 小流域 成土速率 尺度效应 水土环境质量 

分 类 号：S157[农业科学—土壤学]