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With the rapid development of China's urbanization, the urban water system is more and more attention to the city water system is a combination of natural and artificial city point to meet the natural yearning of urban residents, urban development is important. Scientific and rational planning of urban water systems to optimize the allocation of urban resources, the improvement of the urban environment, enhance urban functions and competitiveness, in order to achieve the sustainable development of cities. Currently, the traditional urban water system planning problem caused concern at home and abroad. This paper analyzes the development and evolution of the city water system, through the ancient city water system and the function of the urban water system in the city as well as water and city relations, demonstrated the important role of the city water system of urban development. The theory and practice of this article on the planning of the urban water system at home and abroad, the analysis and research, including: urban water ecosystem theory, the theory of landscape ecology, ecological restoration theory proposed Environmental Studies pathway, and on this basis, that the Environmental Studies The approach is a methodology, ideological, environmental studies, including environmental systems analysis methods and environmentally friendly technology measures. Environmental Studies pathway is proposed in the context of today's environmental problems highlight a serious decline in the quality of the environment, is a way to meet the concept of sustainable development. On the way to the foundation in environmental studies, further proposed the ways of the urban water system planning Environmental Studies, Environmental Studies pathway methodology system is applied to the city water system planning, including three levels, namely to build urban water ecosystem, GIS-based pattern analysis , main ecological restoration measures. A detailed statement in Environmental Studies pathway theoretical framework of the urban water system planning on their three levels of analysis methods, the formation of a system of theoretical system. Applied to the city water system planning, environmental studies ways Hengshui City water system planning cases by building close ties with pattern and function of Hengshui City water system water ecosystems using GIS platform, Hengshui City water security pattern, the pattern of water resources, water environment pattern, water landscape pattern, the pattern of water culture and water economic pattern of the in-depth analysis, identify the main problems of Hengshui City water system can not meet the needs of the water landscape, water culture, water economy, enhance the Hengshui City, water resources, water environment level . Combination of ecological restoration technology and comprehensive utilization of water resources planning for this major contradiction, Hengshui City water system planning measures. Urban water system planning, environmental studies ways of Hengshui City water system planning has an important role in guiding and planning proposals and measures have been implemented, the urban water system planning Environmental Studies pathway should permit more rational and operability, sustainable, environmentally friendly urban water system planning ways.
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