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Journal Article

Citation

Loreti S, Ser-Giacomi E, Zischg A, Keiler M, Barthélemy M. Sci. Rep. 2022; 12(1): e1552.

Copyright

(Copyright © 2022, Nature Publishing Group)

DOI

10.1038/s41598-022-04927-3

PMID

35091555

Abstract

Floods affected more than 2 billion people worldwide from 1998 to 2017 and their occurrence is expected to increase due to climate warming, population growth and rapid urbanization. Recent approaches for understanding the resilience of transportation networks when facing floods mostly use the framework of percolation but we show here on a realistic high-resolution flood simulation that it is inadequate. Indeed, the giant connected component is not relevant and instead, we propose to partition the road network in terms of accessibility of local towns and define new measures that characterize the impact of the flooding event. Our analysis allows to identify cities that will be pivotal during the flooding by providing to a large number of individuals critical services such as hospitalization services, food supply, etc. This approach is particularly relevant for practical risk management and will help decision makers for allocating resources in space and time.


Language: en

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