The geographical environment of Shuozhou

Shuozhou belongs to temperate continental monsoon climate, and according to Shanxi climate division, it belongs to temperate cold and semi-arid climate zone in northern Shanxi. The main feature is four distinct seasons. In spring, there is little rain and snow, big sandstorm and large evaporation, and dry weather often occurs; Summer rainfall is concentrated, with occasional rainstorm, rainstorm and hail; There is little rain in autumn, which is cool in the morning and evening and hot at noon; It is windy and snowy in winter, and the climate is cold.

The horizontal distribution law of temperature in Shuozhou is decreasing from southeast to northwest. The average annual temperature is generally around 3.6℃ ~ 7.3℃.

65438+ 10 is the coldest month, with an average temperature of-14.9℃ ~-9.4℃ and an extreme minimum temperature of -40.4℃( 197 1 year 1 day). From March to May, the monthly average temperature rose by about 8℃. It is hottest in July, with an average temperature of 19.4℃~ 22.3℃ and a maximum temperature of 38.3℃ (June19,610).

In autumn, the monthly average temperature drops by about 7℃, and the highest temperature mostly appears at 1:00 ~ 2:00 in a day, and the lowest temperature mostly appears before sunrise. The annual sunshine hours are 2600 ~ 3 100 hours, and the annual sunshine rate is 63% ~ 65%. The sunshine hours in each month are the most in May and June, with an average of 28 1.9 ~ 284.2 hours. 165438+ 10 ~ 65438+February is the least, with an average of 19 1. 1 hour ~ 198.2 hours. In a day, the sunshine hours are 6 hours a day from 65438+ 10 to February and 165438+ 10, 7 hours a day from March and September to 65438+ 10, and 7 hours a day from April and July to August. The annual average solar radiation exposure is 137.48 kcal/cm2, of which the exposure in May, June and July is 47.77 kcal/cm2.

The average annual rainfall in Shuozhou City (1956 ~ 1984) is 42 1.2 mm, the maximum annual rainfall is 806.7 mm (1964), and the minimum annual rainfall is 193 mm (1. Shuozhou is surrounded by mountains in the west, south and north, Pingchuan in the middle and east, and the whole terrain inclines from west to east. The main peaks in the western mountainous areas are Yuquanling, Shuanghualing and Daliangshan. , altitude 1750 to 2000m. Zijinshan Mountain, the main peak in the southern mountainous area, is 2 127 meters above sea level. The mountain peak is steep and steep, with a slope of 35 to 40 degrees. There are many pine trees and birch trees on the mountain. The main mountain peak in the northern mountainous area is Heituo Mountain, with an altitude of 2 147 meters, which is the highest point in the urban area. Pingchuan District is in the central and eastern part, accounting for about 70% of the total urban area, and Huihe River runs through it, which is the main agricultural production area. The main rivers in China are Hui River, Huangshui River, Qili River and Zi Yuan River, all of which are tributaries of Sanggan River.