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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 6 | Copyright

Special issue: Approaches and methods to improve risk management in volcanic...

Nat. Hazards Earth Syst. Sci., 14, 1591-1598, 2014
https://doi.org/10.5194/nhess-14-1591-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 25 Jun 2014

Research article | 25 Jun 2014

WebGIS as boundary tools between scientific geoinformation and disaster risk reduction action in volcanic areas

G. Le Cozannet1,2, M. Bagni3, P. Thierry1, C. Aragno3, and E. Kouokam4 G. Le Cozannet et al.
  • 1BRGM/French Geological Survey – Risk and Prevention Department, 3 avenue Claude Guillemin, 45060 Orléans, France
  • 2Université Paris 1 Panthéon-Sorbonne/Laboratoire de Géographie Physique, CNRS – UMR8591, Paris, France
  • 3'KELL s.r.l., Via E. Q. Visconti, 8, 00193 Roma, Italy
  • 4Ministry of Industry, Mines and Technological Development, Yaoundé, Cameroon

Abstract. As the amount of spatial data is growing, there is increased interest in developing tools to explore, visualize and interpret them, with the final aim of informing decision making efficiently. Within the European MIAVITA project, we examined this issue in the case of volcanic areas, where existing geospatial databases are particularly complex due to the number of threats to be considered, including volcanic (e.g. lava flows, ash fall) and non-volcanic hazards, such as landslides or tsunamis. We involved a group of hazard and risk analysts and managers, civil security officers, GIS analysts and system developers to design a Web-based geographical information system (WebGIS). We tested the system at the Mount Cameroon volcano, taking advantage of a complex hazard and risk geographical database. This study enabled identifying key requirements for such tools in volcanic areas, such as the need to manage user privileges differently according to their profile and the status of the volcano. This work also highlights that, in addition to the development of large geoinformation clearinghouses, there is a need for site-specific information systems focused on working procedures of users, in order to fill the last gap between data producers and users.

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