Communicating (nature-based) flood-mitigation schemes using flood-excess volume
Communicating (nature-based) flood-mitigation schemes using flood-excess volume
复制标题
利用洪水过剩量传达（基于自然的）防洪方案
DOI：
10.1002/rra.3507
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发表时间：
2019
影响因子：
2.2
通讯作者：
Bokhove O
中科院分区：
文献类型：
--
作者：
Bokhove O
随着人们对基于自然的防洪解决方案（NBS）作为土木工程措施的补充方案的兴趣越来越大，可能的防洪策略变得更加多样化，因此评估起来也变得更加复杂。我们提供了一个简单明了的教育协议，目标是进行有效性分析和决策，涉及利益相关者的参与。它基于洪水过量体积（FEV）的概念，超过阈值并产生洪水损害的体积，并探讨通过特定的洪水缓解措施减少FEV的比例以及成本。成本情景的量化和解释使用易于理解的图形显示，并包含洪水量级，FEV和保护措施功效的概念。最近发生在Mytholmroyd（英国约克郡）的Calder河和毕奥（法国滨海阿尔卑斯省）的Brague河的两次极端洪水事件就是例证。每种情况都有不同的防洪措施，如天然蓄水措施，植树，河床拓宽，或使用水库和防洪墙。我们简单的协议可以使用多种措施快速，量化和易于理解的保护策略探索，并在此过程中突出了NBS可扩展性的问题。
As interest mounts in nature‐based solutions (NBS) for flood mitigation as complementary options to civil‐engineering measures, possible flood‐protection strategies have become more diverse and hence complicated to assess. We offer a straightforward and educational protocol targeted for effectiveness analysis and decision making involving stakeholder participation. It is based on the concept of flood‐excess volume (FEV), the volume exceeding a threshold and generating flood damage, and explores what fraction of FEV is reduced, and at what cost, by particular flood‐mitigation measures. Quantification and interpretation of cost scenarios are facilitated using a graphical display that is easy to understand and encapsulates concepts of flood magnitude, FEV and protection‐measures efficacy. It is exemplified for two recent extreme‐flood events on the River Calder in Mytholmroyd (Yorkshire, United Kingdom) and the River Brague in Biot (Alpes‐Maritimes, France). Each case has different flood‐mitigation measures such as natural water‐retention measures, tree planting, river‐bed widening, or use of reservoirs and floods walls. Our straightforward protocol enables fast, quantifiable and easy‐to‐understand exploration of protection strategies using multiple measures, and in doing so highlights the issue of NBS scalability.