鄯善县位于吐鲁番盆地东侧,属于干旱沙漠气候,多年平均降雨量16mm,年蒸发量3200mm。年均八级以上大风有十次,生态脆弱。全县总人口15.73万,种植面积32.5万亩,为自治区重要经济作物区。天山区有二堂、柯柯亚,坎尔其三条季节性河流,多年平均迳流量1.93亿m~3。火焰山区有吐峪沟、连木心沟、树柏沟三条泉水沟,年迳流 Shanshan County is located in the eastern Turpan Basin, belonging to arid desert climate, the average annual rainfall of 16mm, the annual evaporation of 3200mm. Eight or more years of winds have ten times, ecological fragility. The county’s total population of 157,300, planting area of ​​325,000 mu, the autonomous region is an important economic crop area. Tianshan District has two Halls, Kekeya, Kanger three seasonal rivers, the average annual flow of 193 million m ~ 3. Spit Yuguang Mountain flames, and even the wooden heart ditch, Shu Baogou three spring ditch, year-old stream