ABSTRACT

Qinghai Lake basin is located in the Qilian Mountains, north of Morgan Hill, south of the Qinghai Nanshan, east of the Riyue Mountain, Mountain West to Amu Paganini library for the community, the overall profile is elliptical, northwest to southeast is tilted, Qinghai Lake inland river basin is a closed basin. Altitude is 3194-5200 m, the area is 3.12 × 104 km2. Regional scale is latitude 36 ° 15′∼ 38 ° 20′, longitude 97 ° 50′∼ 101° 22′. The climate is highland continental climate, with an average annual temperature is between −0.80°C ∼ 1.10°C, annual rainfall is 412.80  mm-324.50  mm, annual evaporation reaches 1502  mm, annual sunshine time is great [4]. The overall profile of Qinghai Lake basin and the surrounding area is mountains, grasslands and lakes natural landscape. Qinghai Lake basin belong to the Tibetan Autonomous Prefecture of administrative divisions rambling Gangcha County and Haiyan County, Tibetan Autonomous Prefecture of Haixi Mongolian Tianjun County, Hainan Tibetan Autonomous County Republican, and its scope involves three states, four counties, 25 townships (town).