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首页> 外文期刊>Journal of Hydroinformatics >Uncertainty-based flood resiliency evaluation of wastewater treatment plants
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Uncertainty-based flood resiliency evaluation of wastewater treatment plants

机译：基于不确定度的污水处理厂洪水抗灾力评估

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摘要

Wastewater treatment plants (WWTPs) have a significant role in urban systems' serviceability. These infrastructures, especially in coastal regions, are vulnerable to flooding. To minimize vulnerability, a better understanding of flood risk must be realized. To quantify the extent of efforts for flood risk management, a unified index is needed for evaluating resiliency as a key concept in understanding vulnerability. Here, a framework is developed to evaluate the resiliency of WWTPs in coastal areas of New York City. An analysis of the current understanding of vulnerability is performed and a new perspective utilizing different components including resourcefulness, robustness, rapidity, and redundancy is presented to quantify resiliency using a multi-criteria decision-making (MCDM) technique. To investigate the effect of certain factors of WWTPs on resiliency, uncertainty analysis is also incorporated in developing the framework. As a result, rather than a single value, a range of variation for each WWTP's resiliency is obtained. Finally, improvement of WWTPs' performance is investigated by allocating financial resources. The results show the significant value of quantifying and improving resiliency that could be used in development of investment strategies. Consideration of uncertainty in the analysis is of great worth to estimate the potential room for improvement of resiliency of individual WWTPs.
机译：废水处理厂（WWTP）在城市系统的可维护性中起着重要作用。这些基础设施，特别是在沿海地区，易受洪水侵袭。为了最大程度地降低脆弱性，必须更好地了解洪水风险。为了量化洪水风险管理的力度，需要一个统一的指标来评估弹性，这是理解脆弱性的关键概念。在这里，开发了一个框架来评估纽约沿海地区污水处理厂的弹性。进行了对当前对漏洞的理解的分析，并提出了利用包括资源丰富性，健壮性，快速性和冗余性在内的不同组件的新观点，以使用多准则决策（MCDM）技术量化弹性。为了研究污水处理厂某些因素对弹性的影响，在框架开发中还纳入了不确定性分析。结果，获得的不是每个值，而是每个WWTP弹性的变化范围。最后，通过分配财政资源来研究污水处理厂绩效的提高。结果表明，量化和提高弹性可用于开发投资策略，具有重要价值。在分析中考虑不确定性非常有价值，可以估计单个污水处理厂提高弹性的潜在空间。

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