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Volume 15, issue 8 | Copyright

Special issue: Climate change, extreme events and hazards in the Mediterranean...

Nat. Hazards Earth Syst. Sci., 15, 1921-1931, 2015
https://doi.org/10.5194/nhess-15-1921-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 26 Aug 2015

Research article | 26 Aug 2015

Continental Portuguese Territory Flood Social Susceptibility Index

N. Grosso, L. Dias, H. P. Costa, F. D. Santos, and P. Garrett N. Grosso et al.
  • CE3C – Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisbon, Portugal

Abstract. The combination of human exposure, extreme weather events and lack of adaptation strategies to cope with flood-related impacts can potentially increase losses not only on infrastructure but also on human lives. These impacts are usually difficult to quantify due to the lack of data, and for this reason most of the studies developed at the national scale only include the main characteristics that define the societal or individual predisposition to be affected, resist, adapt or recover, when exposed to a flood.

The main objective of this work was to develop a flood social susceptibility index for the continental Portuguese territory based on the most representative variables able to characterize different influencing factors. This index is a component of the national vulnerability index developed in the scope of Flood Maps in Climate Change Scenarios (CIRAC) project, supported by the Portuguese Association of Insurers (APS).

The main results showed that the proposed index correctly identified populations less prepared to avoid flood effects or able to cope with them, mostly concentrated in rural inland areas with lower income and education levels when compared with the coastal region between Viana do Castelo and Setúbal.

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The combination of human exposure, extreme weather events and lack of adaptation strategies to cope with flood-related impacts can potentially increase losses not only on infrastructure but also on human lives. The main objective of this work was to develop a flood social susceptibility index for the continental Portuguese territory. The main results showed that the proposed index correctly identified populations less prepared to avoid flood effects or able to cope with them.
The combination of human exposure, extreme weather events and lack of adaptation strategies to...
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