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1.区域概况张家口水文站是清水河代表站,清水河是永定河上游洋河的一条较大支流,流域内主要有东沟、正沟、西沟3条支流,流域地势北高南低,河道纵坡9.54‰。东沟植被最好,两侧山
1. Regional Overview Zhangjiakou Hydrological Station is a representative of Qingshuihe River. Qingshuihe is a large tributary of Yanghe River upstream of Yongding River. There are three tributaries of Donggou, Zhenggou and Xigou in the basin. The terrain of the basin is high in the north and low in the south, River longitudinal slope 9.54 ‰. Donggou vegetation is best, both sides of the mountain