In recent years,underground wastewater treatment plants (WWTPs) have attracted increasingly attention,due to its less land occupation,less environmental pollution,and harmony with the natural landscape.However,the high cost of construction and operation is one of the key factors limiting its widespread application.Landscape design can provide a good recreation environment and living/work place around the plants,improve the value of the surrounding land,coordinate with the development of urban planning,and promote the economic development the surrounding areas,which can offset to some extent the high construction and operation cost of the underground WWTPs,or even become profitable.This paper summarized the advantages and problems of the aboveground landscape design of the underground WWTPs,and analyzed and discussed the key contents of the future landscape design.The overall design,functional zoning design,investment cost and benefit accounting of the landscape design were studied with case studies.These analyses are expected to provide theoretical support for improving the level of aboveground landscape design of the underground WWTPs,saving the overall cost of wastewater treatment,and promoting the socio-economic development of the surrounding areas.%地下式污水处理厂因节省土地资源、臭味噪声污染小、与自然景观相协调等优势近些年来受到了越来越广泛的关注,然而投资及运行成本高是限制其广泛应用的关键因素之一.概述了目前地下式污水处理厂地上景观设计的优势及存在的问题,分析和探讨了未来地上景观设计的关键内容,结合工程实例,研究了地上景观设计的总体方案设计、功能分区设计、投资成本与效益核算等内容,以期为提高我国地下式污水处理厂的地上景观设计水平、节约污水处理的总体成本、促进水厂周边社会经济的发展提供理论支持.
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