Qu County, which belongs to Dazhou City, Sichuan Province, is located in the southwest of Dazhou City, and is connected with the mountains and rivers of Guang 'an, Nanchong and Bazhong. Its geographical coordinates are10638'-10715' east and 3038'-316 north. Located in the transition zone between the parallel ridge and valley areas in eastern Sichuan and the purple hilly areas in central Sichuan, it has a subtropical monsoon climate. By the end of 20 18, Quxian county had a total area of 20 13 square kilometers, governed 60 townships, and had a total population of1343,800.
As early as the Neolithic Age, there were human activities in Quxian County. In Shang Dynasty, the Yi people established the national capital in Chengba village of Tuxi. In the first year of Zhou Nanwang (365,438+04 BC), Dangqu County was established. In the ninth year of Hongwu in Ming Dynasty (65,438+0376), it was named Qu County, and it also set up counties and states to govern the land. The long historical period is the politics, economy and country of northeast Sichuan.
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Quxian county is surrounded by mountains in the east, west and north, with a height of 222- 1 196.2 meters above sea level, a relative height difference of 974.2 meters and an average elevation of 360 meters. Most areas are below 500 meters. The exposed strata in Quxian County are all distributed from Triassic to Quaternary except Cretaceous and Tertiary due to discontinuous sedimentation, among which Jurassic red continental strata are the most widely distributed. The hills in the county account for 60% of the total area, the low mountains account for 29. 1%, and the valley terraces account for 10.9%.
The average elevation in the east of the county is over 800 meters, and the elevation of Wan Li Ping, which borders Longtan Township in Dongan, is 1 196.2 meters, which is the highest peak in Quxian County. The northwest is a low red mountain with an altitude of 500-889 meters. The main peak of Chenjiazhai in Baishui Town is 889 meters above sea level, which is the highest point in the northwest. The rest are undulating red hills ranging from 300 to 500 meters above sea level. The banks of Qujiang and Liujiang belong to erosion accumulation layer, forming flat dam valley and multi-stage terrace. It is a hilly county in northeast Sichuan.
The canal in Quxian County is wide in surface and deep in water, meandering from north to south in the east of the county, flowing through 16 township, and then flowing through Guang 'an and Huaying City to Chongqing Hechuan to join Jialing River. The county's flow is 99.8km, of which the channelization project reaches 72km, with an annual average flow of 635.87m3/s and an annual average runoff of 23.28 1 100 million m3. It belongs to a four-class waterway, with navigable ships of about 1 100 million tons throughout the year.
Baidu encyclopedia-quxian county