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
出处
《价值工程》
2011年第32期317-317,共1页
Value Engineering
关键词
石羊河流域
水资源
变化趋势
Shiyang river basin
water resources
changing trend
