The geographical environment of Chongxin County

Chongxin County is located in the east of Pingliang area in Gansu Province, with east longitude10650'-10710' and north latitude 35 1 '-35 25'. Jingchuan and Lingtai counties in the east, Huating County in the west, Liangping City in the north and Longxian County in Shaanxi Province in the south.

Chongxin county belongs to a warm temperate semi-arid continental climate zone.

In spring, the earth warms up, the soil thaws, the temperature changes alternately, and the climate changes. At the beginning of March, much thunder and little rain. The first soaking rain in normal years (the daily rainfall is greater than 10 mm) occurs in mid-April. The temperature rose in May, and it rained cats and dogs. When changing seasons, cold waves often come to cool down, causing "late spring cold" and frost disasters. Insufficient precipitation, dry climate, windy weather, obvious soil water loss, spring drought often occurs. Therefore, there is a saying that "spring rain is as expensive as oil".

Summer is hot and rainy. The average temperature is 265,438 0.2℃, with thunderstorms and heavy rainfall. It is a period of abundant light, heat and water, as well as a period of heavy rain, hail and drought. Early summer and June are relatively dry climates. From mid-July to mid-August, high temperature and summer drought often occur, commonly known as "neck drought".

In autumn, the temperature drops rapidly and steadily. September is the second wettest month in the whole year, with an average rainy day of 26 days, mainly continuous rain. The air is cool and humid, foggy in the morning and sunny at noon. The Mid-Autumn Festival has a mild climate and cool weather. After 10, the precipitation decreased obviously, and frost and snow hit.

In winter, the north wind prevails, with cold and little snow, dry climate, frozen land and frozen rivers and streams. The seasonal average temperature is -2.6℃. The coldest extreme minimum temperature in June is 19.9℃, and the maximum frozen soil depth is more than 60 cm. Warm winter weather has appeared since 1980s, which is beneficial to crop growth, but pests and diseases are rampant.