Tumen River Basin (china Side) Surface Water Quality Investigation And Assessment

Water environment problem becomes the main factor already, which influences and restricts modern economics and society sustainable development, it is also a primary problem of the global resource environment in the 21st century even more, and the deterioration of water environmental quality causes the reduction of the usable water resource and the water quality type to lack water.This text through adopting the national standard monitoring method and sector standard monitoring method of Ministry of Water Resources, the national standard monitoring method and sector standard monitoring method of Ministry of Water Resources, monitors and analyzes many times to 56 monitor section of Tumen River valley , obtains a large number of important materials about the surface water quality, and investigates to it exhaustively and systematically, Makes some estimate and dissertation from eight different respects separately: First, the chemical type analysis of natural water; Second, the current surface water situation water quality is appraised; Third, the analysis of water quality change trend; Fourth, the current situation of water quality of dividing area of water resource is appraised ; Fifth, the water analysis up to standard of water quality of function district; Sixth, the current water quality situation of headwater area that supplies surface water; Seventh, water pollution surveys; Eighth, water pollution prevention measure.We find that through this investigation and estimate: Area of Tumen River is located in the riverhead area of mountain area, most rivers water quality are in line, but the main receiving dirty section water quality exceed standard seriously in each river, even it is lower than Grade V to reach mainly of the every river, the main pollutants involve permanganate index , chemical oxygen demand, volatilize phenol, ammonium nitrogen , dissolve oxygen and 5-day BOD. The insufficient of the urban power to dispose of sewage is the main reason ,for the section water quality of urban blow down exceeds standard seriously in this basin, according to the current situation analysis of pollution, receive sewage function district pollutant amount need, cut down...