大泉河

敦煌大泉河径流量24小时变化规律分析

Analysis of 24-hour Runoff Variation Rule of Daquan River in Dunhuang

大泉河可用于莫高窟区灌溉的水资源量为85.51×10~4m~3/a。

The water resources that can be used for irrigation in the Mogao Grottoes area is 85.51 xl04m3 / a.

本文通过综合水文分析，初步得出大泉河出山口年径流量为240.9×10~4m~3/a；

Based on the synthetic hydrological analysis , this paper educes that the annual runoff of Daquan River at the mountain pass is 240.9xl04m3 / a ;

大泉河位于河西走廊西段敦煌盆地南部地带，河流从莫高窟前流入敦煌盆地，属疏勒河水系。

Daquan River lies in the south region of the Dunhuang basin , the west part of Hexi corridor . It flows into the basin of Dunhuang by the front of Mogao Grottoes , and belongs to the water system of Shule River .

用灰色聚类法对乐山市境内的岷江、大渡河、体泉河的水环境质量进行评价，并与水质距离评价法、综合污染指数法进行比较。

Water environmental quality of the Minjiang River , the Daduhe River and the Tiquanhe River in Leshan city were evaluated by using grey clustering method .