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从间歇性供水计划中学习:在印度班加罗尔和德里的平等,公平和水力能力的可视化,印度
David D J Meyer1, Saurabh Singh1, Jitendra Singh2
1Department of Civil & Mineral Engineering and the Centre for Global Engineering, University of Toronto, 55 St. George St. Rm 787, Toronto, ON M5S 0C9, Canada.
The Science of the total environment
|May 27, 2023
概括
断断续续的供水影响着数百万人,造成质量问题和不平等. 新的可视化方法揭示了德里和班加罗尔的复杂供应模式,有助于研究和监管,以便更好地获得水.
科学领域:
- 水资源管理水资源的管理.
- 城市基础设施城市基础设施.
- 公共卫生工程 公共卫生工程
背景情况:
- 间歇性水分配影响全球20%以上的用户,影响水质,加剧不平等.
- 系统的复杂性和数据稀缺性阻碍了改善间歇性供水系统 (IWS) 的研究和监管工作.
- 了解IWS动态对于确保在城市环境中获得公平和可靠的水资源至关重要.
研究的目的:
- 开发和展示新的可视化方法来分析复杂的间歇性供水时间表.
- 在德里和班加罗尔的IWS系统中量化和比较供应连续性,频率和公平性.
- 推断水力容量并确定这些IWS系统中的潜在局限性.
主要方法:
- 开发了四种新方法,以视觉分析间歇性供水时间表,重点关注供水连续性和频率.
- 通过评估供应在社区和城市的均分布来量化公平.
- 邻里财富与管道连接百分比相关,并根据社会经济地位分析了供应变化.
- 通过检查供应时间表和全市峰值流动力学的巧合来推断液压容量.
主要成果:
- 在德里和班加罗尔的3278个时间表中,可视化了多样化的供应连续性 (从0.5小时/周到连续).
- 德里比班加罗尔提供45%的供应连续性,但两座城市的不平等程度相似.
- 班加罗尔的稀缺供应需要更大的储水,尽管这种负担比德里更公平地分配.
- 班加罗尔的富裕社区得到了更好的服务,供应连续性和储存不公平地分配.
- 德里恰逢的时间表表明有足够的液压能力来持续供应,而班加罗尔的夜间时间表可能表明上游的限制.
结论:
- 这四种新的可视化方法为复杂的间歇性供水系统提供了关键的见解.
- 分析显示,供水连续性和储存负担存在重大差异,突出了公平问题.
- 了解这些动态对于有针对性的干预措施来改善水质,可靠性和公平分配至关重要.
- 这些发现为加强全球间歇供水研究,监管和管理提供了一个框架.
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