82.4% of Guoyang County is an early river plain, which was formed by early river siltation. Due to the influence of rainfall, river erosion and human activities, sporadic lake slope depressions and farmland have been formed in some areas. The vortex river runs through the east and west, dividing the county into two natural areas: vortex south and vortex north.
Extended data
Yang Guo county belongs to warm temperate semi-humid monsoon climate, which is characterized by mild climate, moderate rainfall, synchronous rain and heat, abundant sunshine, long frost-free period and abundant light and heat resources. Annual average temperature 15. 1℃, extreme maximum temperature 40.3℃ (1July 994 10), extreme minimum temperature-17.2℃ (19/kloc-)
The average sunshine hours over the years are 20 15.7 hours. The average annual rainfall in the county is about 85 1.6 mm, and the rainfall distribution decreases from southeast to northwest. Affected by the monsoon climate, the seasonal variation of precipitation is obvious, generally more in summer, less in winter, and spring rain is more than autumn rain. The annual average wind speed is 2.3m/s, with southeast wind prevailing in summer, north wind and northwest wind prevailing in winter and east wind prevailing in spring and autumn.
The rivers in Guoyang County belong to the Huaihe River system. The rivers in the territory mainly include the first-class tributary of Huaihe River, which runs through the central part and the tributaries on both sides of the river are veined. The county's drainage area is 1280 square kilometers, accounting for 60.8% of the county's total area, followed by Beihe River, Xihe River and Liulibao River, which flow through the county's border areas, with drainage areas of 285 square kilometers, 262 square kilometers and 280 square kilometers respectively. There are 8 1 large ditches along the river.
Guoyang County People's Government-General Situation of Yang Guo