Strategic analysis of the drought resilience of water supply systems

Strategic analysis of the drought resilience of water supply systems
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供水系统干旱弹性的战略分析

DOI:
10.1098/rsta.2021.0292
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发表时间:
2022-10-24
影响因子:
5
通讯作者:
Hall, Jim W. W.
Hall, Jim W. W.
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Murgatroyd, Anna;Gavin, Helen;Becher, Olivia;Coxon, Gemma;Hunt, Doug;Fallon, Emily;Wilson, Jonny;Cuceloglu, Gokhan;Hall, Jim W. W.

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严重干旱可能导致水供应短缺,造成广泛的社会和经济后果。在这里,我们使用一个耦合的模拟模型来评估在英格兰的公共供水的可靠性,在不断变化的情况下,水需求,水调节和气候变化。耦合模拟模型结合了气候模拟、国家尺度水文模型和国家尺度水资源系统模型,以展示极端气象干旱如何转化为水文干旱和水用户缺水。我们用这个模型来探索的有效性,正在计划在英格兰的战略水资源的选择,以确保供水英格兰的大部分人口的干旱重现期为1在500年。我们的结论是,在使用战略资源选项的地方,有可能实现500年一遇的标准,同时也减少了取水量,以恢复水生环境。然而,如果还采取有效措施减少水需求,则该目标将更容易实现。本文是皇家学会科学+会议议题“人类世的干旱风险”的一部分。
Severe droughts can result in shortages of water supplies, with widespread social and economic consequences. Here we use a coupled simulation model to assess the reliability of public water supplies in England, in the context of changing scenarios of water demand, water regulation and climate change. The coupled simulation model combines climate simulations, a national-scale hydrological model and a national-scale water resource systems model to demonstrate how extreme meteorological droughts translate into hydrological droughts and water shortages for water users. We use this model to explore the effectiveness of strategic water resource options that are being planned in England to secure water supplies to most of England's population up to a drought return period of 1 in 500 years. We conclude that it is possible to achieve a 1-in-500-years standard in locations where strategic resource options are used, while also reducing water abstraction to restore the aquatic environment. However, the target will be easier to achieve if effective steps are also taken to reduce water demand. This article is part of the Royal Society Science+ meeting issue ‘Drought risk in the Anthropocene’.
DOI: 10.1111/j.1747-6593.2011.00271.x
发表时间: 2012-03-01
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