The utilization and pollution of water resources in Zibo City, and put forward suggestions and write an investigation report.

Zibo is located in the middle of Shandong Province, with the latitude of 35 56 ′-3718 ′ and the longitude of16 5438+07 32 ′-18 31′, with a total area of 5,938 square kilometers. Lushan Mountain spans the south-central part, with the main peak at an altitude of 1 108.3m, which divides Zibo into two major water system units. Yiyuan County, at the southern foot of Lushan Mountain, belongs to the yi river, Mihe and Wenhe river systems, with rolling mountains and ravines. Xiaoqing River system is located in the north of Lushan Mountain, and it is dustpan-shaped in the south of Ji Jiao Railway. Its east and west wings are hilly areas, and the middle part is valley lowland, which is inclined and open to the north of Ji Jiao Railway, from the piedmont plain to the Yellow River plain in gaoqing county, with the lowest elevation of 5 meters. Mountains, hills and plains account for 42%, 29.9% and 28.438+0% of the total area of the city respectively.

Zibo is located in a warm temperate zone, with a semi-humid and semi-arid continental climate, with an average annual precipitation of 650 mm ... Rivers are rain-fed rivers. The Yellow River flows through gaoqing county. Xiaoqing River spans Huantai County and gaoqing county from east to west. The main rivers originating in Zibo are yi river, Zihe, Fuxiao, Wuhe and Dongzhulong. The main recharge source of rivers is precipitation, and the average annual runoff of the city for many years is 9132.4 million cubic meters. The average total available water resources in the city for many years is13.39 million cubic meters. At the end of 2000, the per capita water resources in the city was only 335 cubic meters, which was only 15% of the national average. This is a city short of water. At the same time, most industrial wastewater and domestic sewage are directly injected into rivers, reservoirs and lakes without treatment, which makes urban water bodies polluted to varying degrees and become water-deficient cities.

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