Tanghe county is located in the southwest of Henan Province and the east of Nanyang Basin. The county is bordered by Xinye County and Nanyang City in the west, Sheqi County in the north, Biyang County and Tongbai County in the east and Zaoyang City in Hubei Province in the south. It is 74.3 kilometers long from east to west and 63 kilometers wide from north to south, with a total land area of 25 12.4 square kilometers.
Tanghe River, called Tang Zhou and Biyang in ancient times, has a long history and is a pearl on the land of Zhongzhou. Xia and Shang Dynasties are the domain of Yuzhou, and Zhou is the land of Shen, Xie, Tang and Guo. In 505 BC, the State of Chu established Huyang County, while the State of Qin still established Huyang County, belonging to Nanyang County. There are many cultural sites in Yangshao and Qujialing. It is the hometown of Ma Wu, General Liu Xiu, Guangwudi of the Eastern Han Dynasty, Fan Hong, Doctor Guanglu, and Mr. Feng Youlan, a master of modern philosophy in China.
The geographical environment of tanghe county
Tanghe county's terrain is undulating and patchy. The topography of tanghe county is divided into three regions: southern mountainous region, central hilly region and northern plain region. The southern mountainous area is located in the south of tanghe county, mainly composed of Funiu Mountain and Dabie Mountain. The southern mountainous areas are dominated by Funiu Mountain and Dabie Mountain, with towering mountains and complex geological structure. The hilly areas in central China are characterized by large terrain, fertile soil and abundant water resources. The northern plain is flat, fertile and rich in groundwater resources.
Tanghe county is located in the transition zone from the north subtropical zone to the warm temperate zone, and belongs to the continental climate of the north subtropical monsoon type, with distinct seasons and mild climate. The annual average sunshine hours are 2 187.8 hours, and the annual average total solar radiation is 1 16.56 kcal/cm2. The annual average temperature is 15.2℃, and the monthly average temperature is 1.4℃ and 28.0℃ respectively. The annual frost-free period is 233 days, and the active accumulated temperature is ≥0 5500℃, and the active accumulated temperature is ≥ 10℃ 4939. The annual average precipitation is 9 10. 1 1mm, and the precipitation from April to September is 689.2mm, accounting for 75.7% of the whole year.
Reference to the above content: Baidu Encyclopedia-tanghe county