Study On The Wei He River Water Function Areas Dynamic Water Environment Capacity And Assessment Management System Integration Research

In recent years due to the rapid development of social economy and human seriously the development of the natural environment, causing water quality deterioration of water environmeat. In 2011 the central issued a number of files specifically,implement the most strict water resources management system, including "clear water fuction area limits, red line,strictly control the emissions into the river" is one of the three "red lines". Clear water function area limits, the red line, build system of water function area limit carrying, you first need to scientific verification waters, pollutant carrying capacity because of the river water dynamic characteristics of hydrological characteristics and other natural factors, determines the essence of pollutant carrying capacity is the amount of a dynamic change. In traditional computing is proposed on the basis of a kind of pollutant carrying capacity can be embodied in the different design reliability, different design of hydrological conditions and different pollution factor and the dynamic change between different models of pollutant carrying capacity calculation model.To implement the most strict water resources management system at the same time, the shaanxi province issued by the general office of the people's government in 2013 consecutive "shaanxi province people's government on the strictest water resources management system implementation opinion" and "the strictest water resources management system of shaanxi province evaluation method", clear of the municipal government situation appraised the strictest water resources management system, based on the assessment of water function area determine the extensiveness of an way not rigorous and statistics, and a direct contact of water function area pollutant carrying capacity evaluation model. Therefore, this article embarks from the dynamic calculation of pollutant carrying capacity research, and assessment of water function area contact, based on the integrated platform, shaanxi section of weihe river water function area is established dynamic calculation and pollutant carrying capacity evaluation.(1) Study on the dynamic calculation and pollutant carrying capacity evaluation model In rivers hydrological features and other natural factors of dynamic characteristic as the breakthrough point, illustrates the pollutant carrying capacity is a dynamic change, which proves that the research dynamic necessity of pollutant carrying capacity.On this basis, put forward based on environmental carrying capacity of water function area appraisal way, thus the dynamic study of pollutant carrying capacity and water function area of contact and echo,and builds the dynamic calculation and appraisal model framework, pollutant carrying capacity is put forward for dynamic calculation and pollutant carrying capacity evaluation model of key technology.(2) Study on the dynamic calculation of pollutant carrying capacity.Through the analysis of the traditional calculation model, and based on a one-dimensional water quality model, this paper established a new computational model of pollutant carrying capacity: consider tributary import and water factors of subsection summation pollutant carrying capacity calculation model.By taking shaanxi section of weihe river as an example, this paper expounds the design method of dynamic pollutant carrying capacity calculation of hydrological conditions, and to establish the subsection summation model example verification.(3) Study on assessment of water function areas.According to the calculation results, the pollutant carrying capacity in front of the will as a basis for quality, pollutant carrying capacity through on-line monitoring equipment to test sample, and calculated by one dimensional water quality model transformation the monitoring cross section of the pollutant emissions,environmental carrying capacity of water function area for standard, whether the results of the appraisal standard further intuitive reflect the assessment of water function area of the shaanxi section of weihe river.The water environmental carrying capacity and assessment of the functional area directly.(4) Water dynamic calculation and pollutant carrying capacity evaluation system set up and applied.In shaanxi weihe river water in the functional areas, for example, set up a dynamic calculation of pollutant carrying capacity of water function area and water area evaluation simulation system, through different reliability, different time scales, different methods of model and calculation parameters, the choice and the combination between realize dynamic calculation of pollutant carrying capacity, and according to the calculation results of the wei river water function areas, assessment, and various water function areas of the wei river in the condition of informationization means to achieve examination, monitoring and management. System using Java programming, database, modular technology, the network knowledge map and Web Service technology, the business model, methods of the system modular formation components package, combined with knowledge chart describes the business process, organization and application of the visual environment to achieve the most stringent water management system.