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首页> 外文期刊>Journal of Environmental Management >Water localisation and reclamation: Steps towards low impact urban design and development
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Water localisation and reclamation: Steps towards low impact urban design and development

机译：水的本地化和开垦：迈向低影响的城市设计和开发的步骤

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摘要

Numerous drivers are providing stimulus for increased water cycle localisation within urban neighbourhoods..This paper uses predominantly Australasian case studies to highlight trends, successes and challenges in the transition to neighbourhood centred water-based services using 'Low Impact' and 'Water Sensitive' design and development techniques. Major steps towards urban sustainability are demonstrated, for example, up to 70% reduction in the demand for potable water (Aurora, Melbourne), removal of contaminated stormwater and sewage effluent discharge to natural waterways vulnerable to nutrient or toxin accumulation, and up to 55% of the area of the greenfield site planted in indigenous species (Regis Park, New Zealand). Reduced demand for potable water would enable continued undiluted use of 'pure' water sources from limited bush catchments (Waitakere Ranges, New Zealand), and less dependence on rivers stressed by low flows. Reductions and dispersion of sewage effluent discharges protects receiving waters, such as Port Phillip Bay, Melbourne, from eutrophication. Reduced stormwater discharge favours retention of the natural hydrological regime of rivers and minimises bioaccumulation of toxins in aquatic ecosystems.
机译：众多驱动因素正在推动城市社区中水循环的本地化。本文主要使用澳大利亚的案例研究，以“低影响”和“水敏感”设计为重点，着重介绍向以居家为中心的水基服务过渡的趋势，成功和挑战。和开发技术。展示了朝着城市可持续性迈出的主要步骤，例如，对饮用水的需求减少了70％（墨尔本的奥罗拉（Aurora，Melbourne）），清除了受污染的雨水和污水排放到易受养分或毒素蓄积的天然水道中，减少了55％本地物种（新西兰里吉斯公园）种植的绿地面积的百分比。对饮用水的需求减少将使有限的灌木丛集水区（新西兰的怀塔克雷山脉（Waitakere Ranges），新西兰）的“纯”水源得以继续未经稀释地使用，并且对水流量低下的河流的依赖性降低。减少和分散污水排放物可保护接收水（例如墨尔本的菲利普湾港）免受富营养化的影响。减少雨水排放有利于保持河流的自然水文状况，并最大程度地减少了水生生态系统中毒素的生物蓄积。

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