评估美国能源基础设施对双源洪水风险的脆弱性:空间和人口暴露分析
Sohail Ahmed Tufail1, Rouzbeh Nazari1, Mohammad Reza Nikoo2
1Resilient Smart Cities Innovation Center, The University of Memphis, Memphis, TN, 38125, USA; Department of Civil, Construction, and Environmental Engineering, The University of Memphis, Memphis, TN, 38125, USA.
这项研究显示,14.4%的美国能源基础设施受到洪水影响,这与单一数据集评估相比显著增加. 结合FEMA和NOAA数据,可以更全面地了解关键能源资产的洪水风险.
科学领域:
- 环境科学与工程环境科学与工程
- 风险评估和风险管理
- 基础设施弹性 基础设施弹性
背景情况:
- 美国能源基础设施 (EI) 现有的洪水风险评估经常使用单一危险数据集,可能低估了总暴露.
- 内陆 (FEMA特别洪水危险区域) 和沿海 (NOAA复合) 洪水过程对EI产生重大影响,需要综合分析.
研究的目的:
- 通过整合FEMA和NOAA危险数据集,为美国能源基础设施制定统一的国家洪水暴露视图.
- 确定特定的能源基础设施部门和地理区域最容易受到内陆和沿海洪水的影响.
主要方法:
- 国家EI库存的空间重叠 (n=21,988) 与FEMA特殊洪水危险区域和NOAA沿海复合数据.
- 进行了县级Getis-Ord Gi*集群,能源基础设施亚型分析和5英里人口邻近性评估.
主要成果:
- 在全国范围内,使用综合数据集,14.4% (3174个设施) 的EI受到洪水影响,而9.2% (仅FEMA) 和9.5% (仅NOAA).
- 石油化工,石油设施,石油港口,液化天然气终端和水电厂的暴露率很高. NOAA数据显示,在FEMA SFHAs之外,沿海地区的暴露程度显著.
- 热点分析显示了互补的地理模式:NOAA强调沿海带,而FEMA强调内陆走廊. 超过5200万人生活在暴露的电力设施附近.
结论:
- 整合FEMA和NOAA数据集提供了对美国能源基础设施洪水风险的更全面的评估.
- 这种综合方法确定了关键基础设施的漏洞,并突出了与潜在破坏相关的重大社会风险.
- 研究结果支持通过关注高风险部门,亚型和社区来加强弹性规划.
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