The geographical environment of Hancheng

Hancheng is located in the compound part of the east wing of the front arc of Qilu River mountain structure and the third subsidence zone of Neocathaysia. With the northeast-southwest piedmont fault (Hancheng fault) as the boundary, the southeast belongs to Wei Fen Graben, and the northwest belongs to the edge fold area of northern Shaanxi basin with Ordos platform syncline. The structure is complex, the mineral resources are rich, and there are conditions for moderate and strong earthquakes. Hancheng is located in the semi-arid area of warm temperate zone, with continental monsoon climate, four distinct seasons, mild climate, abundant sunshine and more rainfall. The annual average temperature 13.5℃, and the accumulated temperature ≥ 10℃ is 4626℃. The average annual precipitation is 559.7 mm, the frost-free period is 208 days, and the sunshine is 2436 hours, which is beneficial to the development of agricultural production. But the rainfall is uneven, mostly concentrated in July, August and September. Drought is prone to occur in spring and summer, and there are many showers in summer, with great intensity and serious soil erosion.