Youyu County, also known by its

Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...

name Youyuxian, is a

county A county is a geographic region of a country used for administrative or other purposesChambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

under the administration of the

prefecture-level city A prefecture-level city () or prefectural city is an administrative division of the People's Republic of China (PRC), ranking below a province and above a county in China's administrative structure. During the Republican era, many of China' ...

of Shuozhou, in the northwest of Shanxi Province, China. It borders

Inner Mongolia Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an autonomous region of the People's Republic of China. Its border includes most of the length of China's border with the country of Mongolia. Inner Mongolia also accounts for a ...

to the north and west.

History

Shanwu,. south of present-day Youyuxian, was the seat of Yanmen Commandery during the

Qin Qin may refer to: Dynasties and states * Qin (state) (秦), a major state during the Zhou Dynasty of ancient China * Qin dynasty (秦), founded by the Qin state in 221 BC and ended in 206 BC * Daqin (大秦), ancient Chinese name for the Roman Emp ...

and

Western Han The Han dynasty (, ; ) was an Dynasties in Chinese history, imperial dynasty of China (202 BC – 9 AD, 25–220 AD), established by Emperor Gaozu of Han, Liu Bang (Emperor Gao) and ruled by the House of Liu. The dynasty was preceded by th ...

. The post moved to

Yinguan Shuocheng District, formerly Shuo County, is the main urban district of the prefecture-level city of Shuozhou in Shanxi province, China. History Shuocheng is the site of the ancient Chinese frontier post of Mayi and its territory was previously ...

southeast of present-day Shuozhou under the Eastern Han and further south to

Daixian Dai County, also known by its Chinese name Daixian, is a county in Xinzhou, Shanxi Province, China. Its county seat at Shangguan is also known as Daixian. The county has an area of and had a population of 178,870 at the time of the 2020 ce ...

under the

Kingdom of Wei Wei or WEI may refer to: States * Wey (state) (衛, 1040–209 BC), Wei in pinyin, but spelled Wey to distinguish from the bigger Wei of the Warring States * Wei (state) (魏, 403–225 BC), one of the seven major states of the Warring States per ...

Geography

Elevations are generally higher in the south of the county, in which flows the Cangtou River (); Youyu reaches a north-south extent of and east-west width of . The

Great Wall The Great Wall of China (, literally "ten thousand Li (unit), ''li'' wall") is a series of fortifications that were built across the historical northern borders of ancient Chinese states and Imperial China as protection against Eurasian noma ...

demarcates the northwestern border with

's Liangcheng and Horinger counties; within the province, Youyu borders Zuoyun County to the east, Shanyin County and Pinglu District to the south.

Climate

Youyu has a

monsoon A monsoon () is traditionally a seasonal reversing wind accompanied by corresponding changes in precipitation but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with annual latitudinal oscil ...

-influenced,

humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing ...

( Köppen ''Dwb''), with cold and very dry winters, and warm, humid summers. The monthly 24-hour average temperature ranges from in January to in July, and the annual mean is . June thru September accounts for over three-fourths of the of annual precipitation. Due to the high elevation and dry climate, the diurnal temperature variation averages annually.

References

Citations

Bibliography

www.xzqh.org

* . * . County-level divisions of Shanxi Shuozhou {{Shanxi-geo-stub