| During the habitat and environmental construction in semi-arid area, the northern Shaanxi face primary problems: cologically fragile, typical regional economic backwardness and environment deterioration. At the same time, the lack of water resources in this area,combined with the dual function of human and nature,and the severes waterloss result in serious damage to water resources and water ecological environment, frequencydrought and water logging.Based on this background, depending on the research and development of housing and urban-rural development project- " site suitability design methods and strategy research of the northwest semi-arid area rainwater utilization "(project number: 2013-K1-4), the subject "based on the field elements in hilly-gully region of Shaanxi urban rainwater to use design research" was put forward. The subject was based on the study of the regional space elements of Shaanxi, combining with the landscape design,landscape ecology and other disciplines integrated theory, intending to apply to the modern constructions.The suitability of site planning has a close relationship with rainwater use efficiency and the urban construction. according to various characteristics of northern Shaanxi hilly-gully region urban construction sites, universality of rainwater utilization technology problems calls for much more attention. According to different rainfall range below the city, what is the difference between the characteristics of the construction site? How to put forward different field rain strategy ?The needs of different methods of planning and designing? What kind of landscape effect in would be shown in the long dry season and rainfall concentrated respectively? How to dealwith this kind of landscape effect of big differences? These are the new problems in the current research, which were rarely involve.In the area of urban construction, lots of field factors influence the rainwater utilization. The methods used includes literature collecting, sorting, analysis etc. On the basis of an analysis of the influence area rainwater to use suitability and extract has a direct and indirect influence on rainwater utilization factor, the field elements of rainwater utilization were studied: the research content mainly related to rainfall, water quality control, underlying surface materials, plant habitat, rainwater use efficiency,venue security, site visual effects, the urban ecological environment, cultural psychology, human aesthetic tradition, economic development level, etc.On the basis of previous study, an analysis of elements of field was carried out,influence of field factors on design of rainwater utilization were studied. And the special field of Shaanxi elements of rainwater utilization ways were classified and summarized.According to the above researches, this study in view of the field elements in northern Shaanxi hilly gegion from different space types, to find the suitable utilization way of rainwater in urban. |
