Dunhuang is located in the western end of the hexi corridor in gansu province is located in gansu, qinghai, xinjiang, the junction of three provinces (area), the south qilian mountain, mazong mountain are north, east, and west sides of the gobi desert, an average elevation of 1138 meters, the formation of the north-south high, intermediate low, from the west to the northeast tilt basin plain, the city's total area of 3.12 square kilometers, of which the oasis area of 1400 square kilometers, accounted for only 4.5% of the total area, and surrounded by a desert gobi, reason has "gobi oasis". Dunhuang is located in the interior, obvious is characterized by dry climate, large temperature difference between day and night, less rainfall, evaporation, sunshine time is long, clear four seasons. Due to the lack of rain, the annual average rainfall of 39.3 millimeters, evaporation is 2486 mm, so has the obvious desert climate characteristics, belongs to the typical continental arid climate.
Oasis by DangHe tonic, originated in qilian mountain north flow DangHe, total length of 390 km, the basin area of 1.68 square kilometers, the annual runoff is 328 million cubic meters, is an important water conservancy lifeblood of dunhuang, except DangHe in surface water east and west ditch, ditch, south lake springs, spring always overflow volume of 3.14 cubic meters per second, annual runoff is 99.023 million cubic meters. The development and utilization of groundwater, dunhuang has become the main source of people's living water and industrial water. The city's total population of 150000 people, including agricultural population 94600 people. In han Chinese population accounts for the vast majority, hui, Mongolian, Tibetan, uygur, miao, manchu, earth, tujia, kazak, dongxiang, abundant solid 10 ethnic minorities accounted for only 1.06%. City governs 2 town 10 townships, 79 villagers committee, 381 villagers group. Sand town is home to the municipal party committee and municipal government, the state is the city's political, economic and cultural center. Seven 7 kilometers from west of the town is a new type of oil city building is very beautiful, who is now an affiliated stations in qinghai petroleum administration bureau, the population of permanent residents in more than 30000.
The total land area of 265600 mu, all is irrigated. Because of the fertile soil, irrigation condition is good, suitable for all kinds of crops. The main crops are wheat, corn, cotton, sesame, melons, vegetables and so on. Oasis in the orchard area of 43318 mu, the main variety of fruit is apple, pear, peach, apricot, jujube, grape, etc., can produce a variety of fruits a year more than 20xx kilograms.
