May 1, 2024Journal of HydrometeorologyOpen Access

Compound Flooding Potential from the Joint Occurrence of Precipitation and Storm Surge in the Qiantang Estuary, China

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Authors

YWYanjuan WuNingbo University IHIvan D. HaighUniversity of Central Florida CGChao GaoNingbo University

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Implication

Copula modeling reveals positive dependence between precipitation and storm surge in estuarine waters, highlighting underestimated compound flood risks when driver interactions are neglected.

Key Points

Compound flooding risks increase substantially due to significant positive statistical dependence between extreme precipitation and storm surge in coastal estuarine zones.
Accounting for dependence reduces the joint return period from 100 years to 32.44 years, showing how independent models severely underestimate severe coastal flood hazard.
Using a copula model reveals driver links to tropical cyclone systems, highlighting the need to evaluate weather-dependent interactions for reliable coastal risk assessments.

Cite This Study

Wu et al. (2024) studied this question.

synapsesocial.com/papers/68e6c6e2b6db643587644f58 https://doi.org/10.1175/jhm-d-23-0102.1

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Implication

Copula modeling reveals positive dependence between precipitation and storm surge in estuarine waters, highlighting underestimated compound flood risks when driver interactions are neglected.

Compound Flooding Potential from the Joint Occurrence of Precipitation and Storm Surge in the Qiantang Estuary, China

Discussion

Member takes

Implication

Key Points

Cite This Study

Compound Flooding Potential from the Joint Occurrence of Precipitation and Storm Surge in the Qiantang Estuary, China

Discussion

Member takes

Implication

Key Points

Cite This Study

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