A Research On Evaluation Of Space Development Environment Performance Based On Atmospheric Dispersion

2008 China promulgated in the implementation of the "urban and rural planning law" of urban planning implementation assessment is put forward to make clear a requirement, issued by the Ministry of housing and urban rural development in 2009 the overall urban planning implementation assessment methods (Trial)" emphasizes the implementation of assessment in planning the importance. Planning implementation evaluation has become an important part of the dynamic implementation mechanism of urban planning. Along with the continuous deepening of the research on the evaluation of the planning and implementation, the content and content of the planning implementation are also studied. Attention to urban planning implementation of the assessment process requires not only the implementation of the research and evaluation of the planning objectives and the completion of and also deal with the space performance are evaluated simultaneously, the level of the level of the performance will directly reflect the urban development is in a state of balance and good.And space performance of urban planning implementation and includes many elements of environment, economy and society, the elements of the space environment is at the root of the other environmental performance evaluation elements, only the city is built on a good level of environmental performance, the social and economic development, so as to maintain sustainable development. In today’s society, the attention of the urban environmental issues has become more and more strong, and the attention of the atmosphere environment has been far more than other factors in the environment. In the field of urban planning, one of the basic theories of urban land use is the principle of "leading wind direction". However, the theory can only be at a more basic level coordination of urban industrial land and residential use the layout of the relationship between, not scientific and rigorous method for evaluating urban land layout in the development process of urban atmospheric environment and changes in the overall urban space development performance.Due to the reasons above, this paper through other disciplines and fields of atmospheric environment assessment more comprehensive and systematic theoretical research, find out the assessment model of a kind of city planning and more fit and carries on the correction, make and urban planning in the implementation and evaluation of the combination of, for evaluation of urban spatial development of the level of environmental performance.Through modification of Gaussian diffusion model, the establishment of a new space for the development of the environmental assessment model, to impose on the overall urban planning in the process of evaluation starting year, evaluation and the goal year layout for calculating and analyzing the data, were calculated in different years when the layout of environmental performance level and evaluation results, judge the city space environment in the planning implementation process in the performance of, and then to the urban planning implementation of the results of the assessment and put forward the related proposal, to guide the city’s further development and planning revision.In this paper, Laicheng District, Laiwu City as a case, analysis of Laicheng District in planning starting year, current year and target in the urban space development environment performance level, according to the evaluation result. Analysis Zhucheng development process in the presence of, for the master plan put forward the suitable revision suggestions and rational urban spatial development strategy.