A spatially-dependent synthetic global dataset of extreme sea level events
A spatially-dependent synthetic global dataset of extreme sea level events
复制标题
极端海平面事件的空间相关综合全球数据集
DOI:
10.1016/j.wace.2023.100596
复制
发表时间:
2023
影响因子:
8
通讯作者:
Ward, Philip J.
中科院分区:
文献类型:
--
作者:
Li, Huazhi;Haer, Toon;Couasnon, Anaïs;Enríquez, Alejandra R.;Muis, Sanne;Ward, Philip J.
Current coastal flood risk assessments fail to capture flood spatial dependence at large scales. In this paper, we develop the first global synthetic dataset of spatially-dependent extreme sea level events, by applying an existing conditional multivariate statistical model to 40-year global reanalysis sea levels. The resulting dataset contains 10,000 years of extreme events with realistic spatial dependence under current climate conditions. The benchmarking against reanalysis data demonstrates a high agreement, with a coefficient of determination (R 2) of 0.96 for the mean event footprint sizes and a mean bias of− 0.04 m for 1 in 50-year water levels. By comparing well-known historic events, we show that our approach can produce events with similar spatial characteristics. Our dataset enables the future development of spatially-dependent flood hazard maps for deriving accurate large-scale risk profiles, which can help yield new insights into the spatial patterns of coastal flooding and support coastal communities in devising effective management plans.
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DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
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通讯作者:
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DOI:
--
发表时间:
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期刊:
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影响因子:
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