What's the climate like in Gansu?

Gansu province is located at the intersection of loess, Qinghai-Tibet and Mongolia. The territory is characterized by complex topography, criss-crossing mountains and great disparity in elevation, integrating mountains, basins, plains, deserts and Gobi, and belongs to mountainous plateau landform. From southeast to northwest, it includes all kinds of climate types from north subtropical humid area to alpine arid area.

Gansu province has a dry climate, large daily temperature difference, abundant sunshine and strong solar radiation. The annual average temperature is between 0 ~ 14℃, decreasing from southeast to northwest; The annual average temperature in Hexi Corridor is 4 ~ 9℃, Qilian Mountain is 0 ~ 6℃, Longzhong and Longdong are 5 ~ 9℃ and 7 ~ 10℃ respectively, Gannan is 1 ~ 7℃ and Longnan is 9 ~ 15℃. The average annual precipitation is about 300 mm, which varies greatly from place to place, ranging from 42 to 760 mm, decreasing from southeast to northwest, and the distribution of precipitation in each season is uneven, mainly from June to September. Gansu province is abundant in sunshine and light energy resources. The annual sunshine hours are 1700 ~ 3300 h, increasing from southeast to northwest. The annual sunshine hours in Hexi Corridor are 2800 ~ 3300 h, which is the area with the most sunshine. Longnan 1800 ~ 2300 h is the area with the least sunshine. Longzhong, Longdong and Gannan are 2 100 ~ 2700h.

There are many kinds of meteorological disasters in Gansu province, and the disasters are also serious. The main meteorological disasters are drought, sandstorm, rainstorm, hail, frost and dry hot wind. Drought is the most important meteorological disaster in Gansu province, with high frequency and great influence on industrial and agricultural production and national economy. According to the occurrence time, the droughts affecting Gansu Province are spring drought, late spring drought, early summer drought, summer drought and autumn drought in turn. Gale and sandstorm disasters are also very serious, with the number of gale days being 3-69 and sandstorm days being 1-37 every year. Strong winds and sandstorms mainly harm Hexi, central Gansu and northeastern Gansu. In addition, rainstorm, hail, frost and dry hot wind are also meteorological disasters that can not be ignored, and they occur every year in various places.

Although the climate in Gansu Province is dry and meteorological disasters are serious, the abundant climatic resources such as light energy, heat, wind energy and atmospheric composition resources in arid climate areas are renewable. According to the distribution of climate resources in Gansu province, the zoning planning of climate resources is carried out, and the climate resources are developed and utilized according to the climate characteristics of various places, making contributions to the economic construction and social development of Gansu.