The climate in Tianshui, Gansu Province
The annual rainfall in the southern subtropical forest region is 800-900 mm, the rainfall in the central and eastern mountainous regions is more than 600 mm, and the rainfall in the northern part of Weihe River is less than 500 mm. The average annual sunshine is 2 100 hour, which is slightly higher than that in Guanshan and Weihe Valley, and the sunshine percentage is 46-50%. Spring and summer account for 26.6% and 30.6% of the annual sunshine respectively, and winter accounts for 22.6%. The extreme maximum temperature is 38.2℃, and the extreme minimum temperature is-17.4℃.
Extended data:
Tianshui is high in the northwest and low in the southeast, with an altitude of 1000-2 100 m and an average altitude of 1 100 m in the urban area. The highest peak field beam is 3120m; Niubei Village, the lowest point, is 760 meters above sea level. Tianshui landform has obvious regional differentiation. The eastern and southern parts were uplifted by the folds of ancient strata, forming mountain landforms.
Due to geological subsidence and red and loess layer deposition in the north, loess layer deposition is formed, forming loess hilly landform. Due to the fracture of the banded structural belt, the Weihe Graben was formed in a small part of central China, and the Weihe River Valley landform was formed after the separation and erosion accumulation of rivers in Quaternary.
The northern part is the gully region of loess plateau. Weihe River and its tributaries cross it, forming a basin and valley terrace with wide valleys and canyons alternating. The soil in rivers and valleys is alluvial soil and meadow soil formed by impact and flood. After reclamation, cultivation and maturation, cultivated soil mainly composed of loessial soil and Heilong soil was formed.
With deep soil layer and wide mountain platform, it is the main producing area of grain, oil, vegetables and fruits. The central and eastern regions are Qinling Mountains and Guanshan Mountains. West Qinling, with Jiuhuangshan, Wu Yun and Liangshan in JD.COM as the main areas in the west; Xiaolongshan and Longshan, with Bagua Mountain, Huo Yan, Dabaoshan and Guanshan in the east.
References:
Baidu Encyclopedia-Tianshui