Research On The Environment Change And Influence For The Process Of Urbanization In Dalian

With urbanization accelerating,world population increasing quickly and the enhancement of social productivity,the people was starting to explore and use the energy and mineral products in large scope,such as oil,coal and natural gas and so on,meanwhile,pouring amount of pollution. The carbon dioxide in atmosphere was increasing that caused the global warming up and sea level rising. All kinds of human activities changed and destroyed the original living environment in different degree,which influenced the regional environment seriously. The influence was transferring and expanding in large scale,middle scale and small scale. Many problems of the global change were embodied in region so the regional environment change is the epitome of global change and that is to be one of the basic research objects in global change.Because regional environment disturbance was strengthened by human activities in urbanization process,the regional environment such as the climate and underlying surface was changed distinctly. As an important city in the north of China especially in the northeast area,Dalian urbanization development influenced the environment badly.Given to the instability and complexity of the influence,quantitative and qualitative analysis and the questionnaires method have been adopted in studying environment change and influence in the urbanization process of Dalian city. At first,based on the characters of the urbanization process of Dalian city,as the relation between the urbanization and temperature,environment change in the urbanization process of Dalian city was studied. Secondly , the environment influence evaluation of urban construction projects has been researched using the correlative analysis and the fuzzy synthetic evaluation method. Finally taking the"man"who is main body of city as a key and that is the resident,the corresponding index system of living environment evaluation has been established,measured by the questionnaire survey. It is aimed to fully understand feelings and needs on the urban environment of residents in Dalian city. The results of the evaluation can be attained through follow steps including designing indexes influencing living environment of city residents,evaluating from residents by questionnaire survey and dealing with dates by statistical and quantitative analysis.The research showed that the average annual temperature is overall upward with fluctuation obviously in Dalian from 1992 to 2006. The dominant factors influencing temperature are the urban population,the development level of urban society and economic and the change of the urban underlying surface in the process of urbanization;The development of realty projects makes urban environment be in the state of"medium impact"in Dalian;Meanwhile the holistic environment in Dalian is all right in the process of urbanization based on the evaluation of questionnaires. The score of social environment is the highest and the score of natural environment takes the second place. The score on artificial environment is the lowest.