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西庄沟流域位于陕北黄土高原中北部,属于梁峁丘陵沟壑区,是无定河的二级支流,大理河一级支流岔巴沟的上游,流域面积94.5平方公里。在行政区划上属于子洲、米脂两县的四个乡,二十六个村,人口9016人,人口密度为95.4人/平方公里。西庄沟流域海拔在967—1306米,干沟长14.3公里,比降11.4‰,支沟密布,长度在0.5公里以上的有27条。该流域气候干燥,属于暖温带大陆性季风气候,冬季寒冷漫长,夏季温暖短促,降水量少而集中率高,多干旱、暴雨、冰雹、大风和霜冻等灾害性
Located in the north-central Loess Plateau of northern Shaanxi, Xizhuang Valley is a secondary tributary of Wudinghe, a secondary tributary of Dabagou, a tributary of the Dali River. It covers an area of 94.5 square kilometers. In the administrative division belongs to Zi Zhou, Mizhi two counties in the four townships, 26 villages, population 9016 people, the population density of 95.4 people / km2. Xizhuanggou watershed at an elevation of 967-1306 meters, 14.3 kilometers long ditch, down 11.4 ‰, branch ditch, length of more than 0.5 km in 27. This basin has a dry climate and belongs to a warm temperate continental monsoon climate. The winter is long and cold, the summer is warm and short, rainfall is low and the concentration rate is high. Droughts, heavy rain, hail, gale and frost disaster