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石羊河是我国西北河西走廊最东端的一条内陆河,由八条发源于祁连山的河流组成,流域面积4.16万km2。区域内干旱少雨,戈壁连连。各河流流出山后即被引用,多用于灌溉。退水及回归水进入走廊平原区南盆地地下水系统,转化后以泉水形式出露,重新汇入河道,纳河流余水,分两支:东支为石羊大河,西支为金川河。东支为主,乃石羊河。
Shiyang River is the most eastern end of the northwestern Hexi Corridor in China, an inland river, composed of eight originated in the Qilian Mountains rivers, the basin area of 41,600 km2. Arid and dry areas, the Gobi again and again. The rivers are cited after they flow out of the mountains and are mostly used for irrigation. Recession and return of water into the corridor south of the basin plain groundwater system, transformed into the form of spring exposed, re-import the river, satisfied that the river water, divided into two branches: the East Branch of the Sheep River, West Branch of the Jinchuan River. East-based, but Shiyang River.