本文選題：再生水利用　切入點(diǎn)：空間數(shù)據(jù)庫　出處：《云南大學(xué)》2013年碩士論文

【摘要】：水資源短缺是目前世界各大中城市面臨的主要問題。再生水,也稱為中水,是城市污水、廢水經(jīng)污水處理廠或再生水處理站凈化處理后達(dá)到國家標(biāo)準(zhǔn),能在一定范圍內(nèi)使用的非飲用水。再生水來源于城市污水,其數(shù)量巨大、穩(wěn)定、不受氣候條件和其它自然條件的限制,被譽(yù)為城市的第二水源,只要有城市污水產(chǎn)生,就有可靠的再生水源。因此,再生水利用已成為目前解決城市水資源短缺問題的有效途徑。目前,為了實(shí)現(xiàn)水資源的循環(huán)再生利用,我國各大中城市均已建立不同規(guī)模的再生水處理廠及再生水輸送管網(wǎng)。 再生水輸送管網(wǎng)、再生水處理廠、再生水取水點(diǎn)及再生水用戶等城市再生水利用信息具有典型的空間分布特性,將GIS技術(shù)應(yīng)用于城市再生水利用信息管理,建立基于GIS的城市再生水利用可視化信息系統(tǒng)已成為一種必然趨勢。 本文針對昆明市再生水利用信息管理的實(shí)際應(yīng)用需求,以昆明市再生水利用數(shù)據(jù)為基礎(chǔ),設(shè)計并構(gòu)建基于GIS的城市再生水利用空間數(shù)據(jù)庫,為城市再生水利用GIS平臺提供數(shù)據(jù)支撐。 論文對空間數(shù)據(jù)模型、空間數(shù)據(jù)的相關(guān)理論和方法進(jìn)行分析和研究,重點(diǎn)闡述面向?qū)ο蟮臄?shù)據(jù)模型--Geodatabase.在對昆明市再生水利用數(shù)據(jù)源進(jìn)行分析的基礎(chǔ)上,根據(jù)再生水利用管理部門的管理需求,基于UML和CASE工具,采用Geodatabase空間數(shù)據(jù)模型,設(shè)計并構(gòu)建了昆明市再生水利用空間數(shù)據(jù)庫,主要包括再生水輸送管網(wǎng)、再生水處理站、泵站、再生水取水點(diǎn)及再生水用戶等地理要素。論文詳細(xì)闡述了空間數(shù)據(jù)庫的圖層設(shè)計、概念結(jié)構(gòu)設(shè)計和邏輯結(jié)構(gòu)設(shè)計,并給出了基于上述空間數(shù)據(jù)庫的再生水利用可視化信息平臺部分功能實(shí)現(xiàn)。
[Abstract]:The shortage of water resources is the main problem faced by large and medium-sized cities in the world at present. Reclaimed water, also known as reclaimed water, is urban sewage, and the wastewater is treated by sewage treatment plants or reclaimed water treatment stations to meet the national standards. Non-potable water that can be used within a certain range. The recycled water comes from municipal sewage. Its quantity is huge and stable, and it is not restricted by climatic conditions and other natural conditions. It is regarded as the second source of water for the city, as long as it is produced by urban sewage. Therefore, the utilization of reclaimed water has become an effective way to solve the shortage of urban water resources. At present, in order to realize the recycling of water resources, Various cities in China have set up different scale reclaimed water treatment plants and reclaimed water transmission networks. The information of urban reclaimed water utilization, such as reclaimed water transmission network, reclaimed water treatment plant, reclaimed water intake point and reclaimed water user, has typical spatial distribution characteristics. The GIS technology is applied to urban reclaimed water utilization information management. It has become an inevitable trend to establish a visual information system for urban reclaimed water utilization based on GIS. Aiming at the practical application demand of information management of reclaimed water utilization in Kunming, the spatial database of urban reclaimed water utilization based on GIS is designed and constructed based on the data of reclaimed water utilization in Kunming. It provides data support for urban reclaimed water utilization GIS platform. This paper analyzes and studies the spatial data model, the related theories and methods of spatial data, and expounds the object-oriented data model Geodatabase.Based on the analysis of the data source of reclaimed water utilization in Kunming, According to the management demand of reclaimed water utilization management department, based on UML and CASE tools, using Geodatabase spatial data model, the spatial database of reclaimed water utilization in Kunming is designed and constructed, which mainly includes reclaimed water pipeline network, reclaimed water treatment station and pumping station. The paper expatiates on the design of map layer, conceptual structure and logical structure of spatial database, such as the point of reclaimed water and the user of reclaimed water. Based on the above spatial database, part of the function of the visualization information platform for reclaimed water utilization is given.
【學(xué)位授予單位】：云南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2013
【分類號】：P208

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