石羊河流域水资源变化趋势及特点  

Changing Trends and Characteristics of Water Resources of Shiyang River Basin

作　　者：侯慧敏[1] 严维[1,2] 

机构地区：[1]兰州理工大学能源与动力工程学院,兰州730050 [2]兰州资源环境职业技术学院,兰州730050

出　　处：《价值工程》2011年第32期317-317,共1页Value Engineering

摘　　要：石羊河流域地表水资源变化趋势和特点是径流年内分配不均;年际变化不大,多年补给基本稳定;垂直及水平呈梯度分布;多年变化具有较明显的周期性。地下水多年动态总体特征是地下水位持续性下降。Changing trends and characteristics of water resource of Shiyang river basin include that annual runoff distribution is uneven;annual change is little and supply is basic stability;the vertical and horizontal show gradient distribution;and the obvious change is cyclical for years.Years’ dynamic general characteristic of groundwater is underground water level persistent decline

关 键 词：石羊河流域 水资源 变化趋势 

分 类 号：TV21[水利工程—水文学及水资源]