Dissertation > Excellent graduate degree dissertation topics show

Study on Appraisal and Protection for Eco-environment during Urbanization

Author: ZhaoHongLin
Tutor: ChenDongHui
School: Donghua University
Course: Environmental Engineering
Keywords: Urbanization Eco-City Geographic Information Systems Ecologically sensitive zoning Associated coupling Coupling coordination degree Indicator System Qingpu District
CLC: X820
Type: PhD thesis
Year: 2008
Downloads: 1348
Quote: 6
Read: Download Dissertation

Abstract

● establish meaningful question is leading the Yangtze River Delta, Shanghai, the leading economic and social development, while another is in Qingpu District, Jiangsu, Zhejiang and Shanghai two provinces and one city at the junction, located in China's Yangtze River Delta economic circle in the center, with the east and west, East and west of the pivotal role of radiation in eastern China. Qingpu District in recent years, economic, urban construction developed rapidly, has made great progress in all aspects, but environmental protection, face a major test. Qingpu District is China's rapid urbanization of many areas on behalf of the city, not only for its findings, Qingpu District, has a direct role in guiding itself, but also on ecological construction in other cities as a reference reference. This dissertation to rapid urbanization Qingpu District, Shanghai, with major focus on: ecological sensitivity divide and urbanization coupled with the coordination of two environmental topics, conduct research. Ecologically sensitive areas and ecological coupling coordinate research into ecological urban research hotspot, is a popular and widely recognized concern two methods, but it is also eco-city planning and construction of the basic work. Ecologically sensitive urban ecological zoning is implemented as an important way, but also integrated regional development planning a major part. Urban ecological environment function zoning sensitive area is one of the important cities in the space resources, planning to develop ecologically sensitive areas is an important part of urban planning and the protection of ecologically sensitive areas is also a guarantee of sustainable urban development. Therefore depth ecologically sensitive regionalization study is significant. Ecological Construction in the city's urbanization and ecological environment both systems produce through their mutual coupling element affecting the ecological environment of mutual coupling, reflecting the regional social - economic - environmental intensity and degree of contribution. Therefore, the interaction between the two coupling mechanism and the inherent process of urbanization is the most critical in terms of both economic development and ecological environment to carry out the coupling of coordinated research can be considered is to implement sustainable development strategies, building a harmonious society an entry point . ● Main content based on previous work based on the results, the use of remote sensing satellite image interpretation (1/50000) and the method of combining field survey, complete the survey area of ??669.69km ~ 2, where remote sensing interpretation Select TM543 Band 2000 and 2004, 1/50000 soil type, topography, vegetation cover, land use type 4 single factor Figure 18; 1/50 000 water transport, urban maps two. Establish an evaluation model, spatial database 1; conducted ecological sensitivity (status quo) and do a comprehensive evaluation of partition; On this basis, a comprehensive environmental trends forecast, a division of a non-sensitive, sensitive to mild, moderate sensitive and highly sensitive area. Study, interpretation of remote sensing (RS), geographic information systems (GIS) and the Geological Survey of GPS and wild combination of methods; against regional characteristics and key issues of environmental protection and pollution control measures and recommendations. Based on gray theory, the gray correlation matrix, coupling, coupling coordination degree, urbanization and ecological environment construction coupled system index system and evaluation model. Model involves the coupling degree function, coupling coordination degree function and urbanization, coupled with the ecological environment evaluation. According to the model, in order to Qingpu District, for example, the selection acting on the ecological environment on a number of indicators and restricting urbanization urbanization several environmental indicators, calculate the correlation degree and the degree of coupling, and thus be coupled elements and timing (from 1997 10 years to 2006 time period) law analysis to clarify the process of urbanization in the variation of the ecological environment. ● The main conclusions and to establish a regional ecological characteristics ① Sensitivity Evaluation conceptual framework (theory) and evaluation system selected conceptual framework (theoretical basis). ② Qingpu District, through the establishment of ecological sensitivity evaluation database, the use of GIS technology improved the ecological sensitivity of evaluation tools to improve the reliability of the results of the sensitivity evaluation and application value for the realization of dynamic evaluation and lay a solid foundation. ③ land use pattern reflects the human factors impact on the ecological environment, this sensitivity as the human factor in the ecological assessment be used, this method will be human factors interfering with the ecological environment spatial data and attribute data combined to achieve a more effective evaluation. ④ urbanization coupled with the performance of the ecological environment in the urbanization stresses the role of the ecological environment and ecological constraints on the role of urbanization in terms of both the selection of the 18 indicators and 12 urban environmental indicators, and through the investigation to determine if they appropriate upper and lower limits. ⑤ The gray model, the Qingpu District from 1995 to 2006 the urbanization and ecological environment associated with coupling and coupling coordination conducted an empirical study. Urbanization and Ecological Environment in association coupling between 1997 to 2006 on the timing of two stages, the first stage is associated with urbanization and ecological environment during the low degree of coupling, the coupling to the second stage is closely associated with the period, indicating that urbanization and ecological environment into a parallel development track. Coupling coordination degree in 1997 and 2006 can be divided into two phases, the first phase of urbanization and ecological environment coupling coordination degree barely coordinated transition from offset to the second stage is completely into coordination.

Related Dissertations

CLC: > Environmental science, safety science > Environmental Quality Assessment and Environmental Monitoring > Analysis and Evaluation of Environmental Quality > General issues
© 2012 www.DissertationTopic.Net Mobile