Geographical environment of Ejina banner

Ejina Banner is located in the north of China, the westernmost part of Inner Mongolia Autonomous Region. Geographical coordinates are 9710' ~1037' east longitude and 39 52' ~ 42 47' north latitude. It borders Alashan Right Banner in the east, Jiuquan City in Gansu Province in the southwest and Mongolia in the north, with a total length of 507.8+047 kilometers. Compared with the central towns of Dalai Lake Town and Dongfeng Town. Dalai Hubu Town is 398km away from Hohhot/Kloc-0, the capital of the autonomous region, 640km away from Bayanhaote, where Alxa League is located, and 396km away from Jiuquan City, Gansu Province. The total area of Ejina Banner is 1 1.46 square kilometers. Ejina Banner has an inland arid climate. It has the climatic characteristics of drought, little rain, large evaporation, sufficient sunshine, large temperature difference and many sandstorms. The annual average temperature is 8.3℃, the monthly average temperature is-1 1.6℃, the extreme low temperature is -36.4℃, the July average temperature is 26.6℃, the extreme high temperature is 42.5℃, and the annual daily average temperature is 8.6℃. The shortest frost-free period is 179 days and the longest is 227 days.

The duration of daily average temperature above 0℃ in Ejina Banner is 10 from mid-March to late June. The annual average precipitation is 37mm, the annual extreme maximum precipitation is103.0mm, and the minimum precipitation is 7.0mm. ..

The average annual evaporation in Ejina Banner is 38,465,438+0.565,438+0mm, and the humidity is 0.065,438+0mm. The common weather phenomenon is windy. It mostly occurs in spring and winter, especially in spring. The average number of windy days above Grade 8 is 44 days. Strong winds are often accompanied by sandstorms, and the average annual number of sandstorms is 14.