Write a popular science essay to describe the geographical characteristics of Bozhou.

The whole territory of Bozhou city is in the shape of southeast and northwest syncline, and the whole Bozhou terrain is high in the northwest and low in the southeast, with a natural slope to the southeast of 1/9000. Zhanlou, Qiaocheng District in the northwest, has the highest terrain, with an altitude of 42.5 meters. The south of Zhangou in Lixin County is the lowest in the southeast, with an altitude of 22 meters and a relative drop of 20.5 meters. Due to the meandering cutting change of rivers and the influence of the early Yellow River south invasion, hills, slopes and dish-shaped depressions are alternately distributed in the plain, which has the geomorphological characteristics of "big flat and small uneven".

climate

Bright lights-night in Bozhou

Bozhou climate is located in the southern edge of warm temperate zone, belonging to warm temperate semi-humid climate zone, with obvious transitional characteristics, mainly characterized by obvious monsoon, mild climate, abundant sunshine, moderate rainfall, long frost-free period, distinct seasons, changeable temperature in spring, concentrated rain in summer, crisp autumn and long dry winter. Due to the climate transition, cold and warm air masses meet frequently, the weather is changeable and the annual precipitation changes greatly. The average annual temperature 14.9℃, average sunshine time 2 184 hours, average frost-free period 2 13 days and average annual precipitation 83 1mm in the whole city.

hydrology

The rivers in Bozhou area belong to Huaihe River system, and the main rivers are Wohe River, Xifeihe River, Cihuaixin River, Beifeihe River and Hepeng River. On the left bank of the Guohe River, Daiqiao Natural Village, the administrative village of Lingzimen, Niuji Town, Qiaocheng District, entered the territory first, and then passed through Guoyang County to Mengcheng County in the southeast, leaving the country and entering Huaiyuan County, with a total length of 173 km and a drainage area of 4,039 square kilometers. Xifeihe River enters from Hefei Town, Qiaocheng District, flows through Guoyang County in the southeast, and leaves Fengtai and Yingshang County in Zhangou Town, Lixin County, with a length of123.4km and a drainage area of 187 1 km2. Cihuai New River enters from Daliji Town, Lixin County, flows eastward through the south of Lixin County, and leaves Huaiyuan County at Zoulou, Mengcheng County, with a length of 66 kilometers and a drainage area of 140 1 square kilometer.

Bozhou is rich in natural resources and is one of the important production bases of commodity grain, high-quality livestock products, commercial timber forests and vegetables in China. As of 20 13, the total land area of the city is 852,258 hectares, including 707,929 hectares of agricultural land,124,790 hectares of construction land and 19539 hectares of unused land. Underground coal and oil resources are very rich, with a total proven resource reserve of 5.7 billion tons, including coal reserves of 4.723 billion tons. The city's total water resources are 2.656 billion cubic meters. More than 400 varieties of Chinese herbal medicines are planted, covering an area of 52.28 thousand hectares.

The planting area of Chinese herbal medicines in Bozhou accounts for about110 of the whole country, and the output of Chinese herbal pieces accounts for about 1/4 of the whole country. Bozhou city has formed the largest industrial cluster of Chinese herbal pieces in China, and Bozhou's Chinese medicine industry is extending to Chinese medicine health care products and Chinese medicine veterinary drugs. It is planned to build three major sectors: medicine, wine and culture, and build three major systems: modern Chinese medicine, health cultural tourism and Chinese medicine medical care service.