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Journal Articles Climate Year : 2019

A novel multi-risk assessment web-tool for evaluating future impacts of global change in mountainous areas

Un nouvel outil d'évaluation multi-risque pour l'étude des impacts futurs des changements globaux en zones montagneuses

Abstract

In our study, we present a proactive decision support tool able to compute the impacts of different possible scenarios for territories impacted by mountain risks. The objective of this work was to develop and test various hazard and risk assessment methods, and to implement them into a web-application platform able to show possible risks induced by global change on ecosystems and society. Four case studies were selected for their representativeness: One located in a Pyrenean valley, others in the French Alps. Methodology addressed several points. The first one was on the identification of the impacts of global environmental changes (climatic situations, land use, and socio-economic systems) on identified hazards. The second one was on the analysis of these impacts in terms of vulnerability (e.g., the places and the physical modifications of impacted stakes, as well as levels of perturbation). The third one was on the integration of developed methodologies in a single coherent framework in order to investigate and map indicators of vulnerability. The last one was on the development of a demonstration platform with GIS (Geographic Information System) capabilities and usable on the web. The architecture and the main features of the web-platform are detailed within several cases for which hazard and impact assessments are evaluated for not only past and present, but also future periods. This web-tool, mostly dedicated to stakeholders, has proven its usefulness to test various socio-economical pathways, because multiple scenarios, considered as probable in inhabited valleys, can be benchmarked, analyzed, and compared.
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hal-02608780 , version 1 (05-01-2024)

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Gilles Grandjean, Loïc Thomas, Séverine Bernardie, Anne Puissant, J.P. Malet, et al.. A novel multi-risk assessment web-tool for evaluating future impacts of global change in mountainous areas. Climate , 2019, 6 (4), pp.1-14. ⟨10.3390/cli6040092⟩. ⟨hal-02608780⟩
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