Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Bldg 113 DK-2800 Kgs, 2800, Lyngby, Denmark.
Environ Manage. 2013 Mar;51(3):586-601. doi: 10.1007/s00267-012-0010-8. Epub 2013 Jan 19.
This paper presents a cross-disciplinary framework for assessment of climate change adaptation to increased precipitation extremes considering pluvial flood risk as well as additional environmental services provided by some of the adaptation options. The ability of adaptation alternatives to cope with extreme rainfalls is evaluated using a quantitative flood risk approach based on urban inundation modeling and socio-economic analysis of corresponding costs and benefits. A hedonic valuation model is applied to capture the local economic gains or losses from more water bodies in green areas. The framework was applied to the northern part of the city of Aarhus, Denmark. We investigated four adaptation strategies that encompassed laissez-faire, larger sewer pipes, local infiltration units, and open drainage system in the urban green structure. We found that when taking into account environmental amenity effects, an integration of open drainage basins in urban recreational areas is likely the best adaptation strategy, followed by pipe enlargement and local infiltration strategies. All three were improvements compared to the fourth strategy of no measures taken.
本文提出了一个跨学科框架，用于评估增加极端降水的气候变化适应，同时考虑洪泛风险以及一些适应选择提供的额外环境服务。使用基于城市淹没建模和相应成本与效益的社会经济分析的定量洪水风险方法来评估适应替代方案应对极端降雨的能力。应用享乐评估模型来捕捉绿色区域中更多水体带来的当地经济收益或损失。该框架应用于丹麦奥胡斯市北部。我们研究了四种适应策略，包括放任自流、更大的污水管、当地渗透单元和城市绿色结构中的开敞排水系统。我们发现，当考虑到环境宜人效应时，在城市娱乐区中整合开敞排水盆地可能是最佳的适应策略，其次是管道扩大和当地渗透策略。与不采取措施的第四种策略相比，这三种策略都有所改进。
