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On the Web

机译：在网上

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Also be sure to download the free Civil Engineering app for your smartphone or tablet and to view the enhanced content on the magazine's digital edition, which can be accessed each month by clicking on the icon in the top left corner of the website home page. California is in the grips of a severe drought that is the accumulated effect of 10 dry years in the past 13. As state leaders search for options to bolster water supplies to its large urban centers and rich agricultural regions, a new report contends that there is as much as 13.7 million acre-ft of water available by increasing water use efficiency, water reuse, and storm-water capture. Researchers examined the potential benefits of four inter- ventions: the expansion of agricultural efficiency improvements, the introduction of urban efficiency improvements, an increase in the reuse of treated wastewater, and increased capture of urban storm-water runoff. They found significant potential for such large-scale irrigation improvements as changing from flooded trenches to sprinklers or more precise drip systems combined with systems for monitoring soil that would deliver irrigation only when necessary. The report also found that up to 5.2 million acre-ft per year could be saved in urban areas through the widespread use of efficient fixtures and appliances, the mitigation of leaks, and replacing grass with landscaping that is more drought tolerant. The report also recommends the reuse of treated wastewater for landscaping, industrial applications, groundwater recharge, and ecosystem flows.
机译：另外，请确保下载适用于您的智能手机或平板电脑的免费Civil Engineering应用程序，并查看杂志的数字版本的增强内容，该数字版本每月可以通过单击网站首页左上角的图标进行访问。加利福尼亚正处于严重干旱的控制之下，这是过去13年干旱10年的累积结果。随着各州领导人寻求各种选择来增强其大型城市中心和农业富裕地区的水供应，一份新的报告称存在通过提高用水效率，回用水和雨水收集，可提供多达1370万英亩-英尺的水。研究人员研究了四种干预措施的潜在好处：扩大农业效率，扩大城市效率，引入经处理的废水再利用以及增加对城市雨水径流的捕获。他们发现了这种大规模灌溉改进的巨大潜力，例如从淹没的沟渠改为喷头或更精确的滴灌系统，再加上用于监测仅在必要时进行灌溉的土壤的系统。该报告还发现，通过广泛使用高效的固定装置和设备，减少泄漏以及以更耐旱的景观代替草皮，每年可在城市地区节省多达520万英亩-英尺。该报告还建议将经过处理的废水重新用于园林绿化，工业应用，地下水补给和生态系统流量。

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    《Civil Engineering》 |2014年第9期|8-9|共2页
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  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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