The average arid index was 0.002, with a maximum of 0.581 in the lower Minqin region.
历年气候干旱指数平均为0.002，极值出现在下游的民勤地区，达0.581。
Chinese farmer walks amid a heavy sand storm in Minqin county, in China's Gansu province.
中国甘肃民勤县，一个农民在一场沙暴中艰难地行走。
Wuwei city, Minqin county Gulong county are extremely serious sandy desertification regions.
属于极严重荒漠化的有武威市、民勤县和古浪县。
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