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所谓东部沙漠区系指河西走廊东端武威盆地东部洪水河以东,阿拉古山—青山—四道山以南的广大地区,即以邓马营湖为中心的八十里大沙漠,为腾格里沙漠的一部分。沙漠区平均海拔为1500米～1600米,年降水低于100～150毫米。沙漠腹地由新月形沙丘、链状沙丘、蜂窝状沙丘及草丛沙堆组成。沙丘一般高度约为10—30米,最高为40—50米以上。沙漠区内的洼地有邓马营湖、汤家海、黄草湖、青山小湖等,均为盐沼湿地,水草丰美,是武威县主要畜牧业基地。仅邓马营湖就有面积289500亩。沙漠区地下水的赋存、运移主要是受该区
The so-called eastern desert refers to the east of the Hexi Corridor to the east of the Wuwei Basin in the east of the flood river, the Aragugusu-Aoyama-the south of Mt. Daodoushan, which is the 80-mile desert centering on Dengmaying Lake. Part of the desert. The average elevation of the desert area is 1,500 to 1,600 meters and annual precipitation is less than 100 to 150 mm. The hinterland of the desert consists of crescent-shaped sand dunes, chain-shaped sand dunes, honeycomb sand dunes and grass sand dunes. Dune height is generally about 10-30 meters, up to 40-50 meters above. The depressions in the desert area include Dengmaying Lake, Tangjiahai Lake, Huangcao Lake and Qingshan Lake, all of which are salt marshes and wet plants, and are the major livestock husbandry bases in Wuwei County. Only Dengmaying Lake has an area of 289,500 acres. The occurrence and migration of groundwater in the desert area are mainly affected by the area