A geo-spatial data management system for potentially active volcanoes- : GEOWARN project
Identifieur interne : 000155 ( Main/Exploration ); précédent : 000154; suivant : 000156A geo-spatial data management system for potentially active volcanoes- : GEOWARN project
Auteurs : Radu C. Gogu [Suisse] ; Volker J. Dietrich [Suisse] ; Bernhard Jenny [Suisse] ; Florian M. Schwandner [États-Unis] ; Lorenz Hurni [Suisse]Source :
- Computers & geosciences [ 0098-3004 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Traitement donnée, Volcan, Risque volcanique, Eruption, Prévision, Actuel, Base donnée, Champ volcanique, Dioxyde carbone, Système information géographique, Résolution spatiale, Modèle, Satellite, Imagerie, Utilisation terrain, Sismicité, Tomographie, Radar antenne synthétique, Interférométrie, Système GPS, Fumerolle, Modèle 3 dimensions, Dégazage, Ordinateur, Processus volcanique, Ile Nisyros, Ile Cos, Italie, Champs Phlégréens.
- Wicri :
- geographic : Italie.
- topic : Base de données, Satellite, Ordinateur.
English descriptors
- KwdEn :
- Global Positioning System, Italy, Kos, Phlegraean Fields, carbon dioxide, computers, data bases, data processing, degassing, eruptions, fumaroles, geographic information systems, imagery, interferometry, land use, models, modern, prediction, satellites, seismicity, spatial resolution, synthetic aperture radar, three-dimensional models, tomography, volcanic fields, volcanic processes, volcanic risk, volcanoes.
Abstract
Integrated studies of active volcanic systems for the purpose of long-term monitoring and forecast and short-term eruption prediction require large numbers of data-sets from various disciplines. A modern database concept has been developed for managing and analyzing multi-disciplinary volcanological data-sets. The GEOWARN project (choosing the "Kos-Yali-Nisyros-Tilos volcanic field, Greece" and the "Campi Flegrei, Italy" as test sites) is oriented toward potentially active volcanoes situated in regions of high geodynamic unrest. This article describes the volcanological database of the spatial and temporal data acquired within the GEOWARN project. As a first step, a spatial database embedded in a Geographic Information System (GIS) environment was created. Digital data of different spatial resolution, and time-series data collected at different intervals or periods, were unified in a common, four-dimensional representation of space and time. The database scheme comprises various information layers containing geographic data (e.g. seafloor and land digital elevation model, satellite imagery, anthropogenic structures, land-use), geophysical data (e.g. from active and passive seismicity, gravity, tomography, SAR interferometry, thermal imagery, differential GPS), geological data (e.g. lithology, structural geology, oceanography), and geochemical data (e.g. from hydrothermal fluid chemistry and diffuse degassing features). As a second step based on the presented database, spatial data analysis has been performed using custom-programmed interfaces that execute query scripts resulting in a graphical visualization of data. These query tools were designed and compiled following scenarios of known "behavior" patterns of dormant volcanoes and first candidate signs of potential unrest. The
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">Integrated studies of active volcanic systems for the purpose of long-term monitoring and forecast and short-term eruption prediction require large numbers of data-sets from various disciplines. A modern database concept has been developed for managing and analyzing multi-disciplinary volcanological data-sets. The GEOWARN project (choosing the "Kos-Yali-Nisyros-Tilos volcanic field, Greece" and the "Campi Flegrei, Italy" as test sites) is oriented toward potentially active volcanoes situated in regions of high geodynamic unrest. This article describes the volcanological database of the spatial and temporal data acquired within the GEOWARN project. As a first step, a spatial database embedded in a Geographic Information System (GIS) environment was created. Digital data of different spatial resolution, and time-series data collected at different intervals or periods, were unified in a common, four-dimensional representation of space and time. The database scheme comprises various information layers containing geographic data (e.g. seafloor and land digital elevation model, satellite imagery, anthropogenic structures, land-use), geophysical data (e.g. from active and passive seismicity, gravity, tomography, SAR interferometry, thermal imagery, differential GPS), geological data (e.g. lithology, structural geology, oceanography), and geochemical data (e.g. from hydrothermal fluid chemistry and diffuse degassing features). As a second step based on the presented database, spatial data analysis has been performed using custom-programmed interfaces that execute query scripts resulting in a graphical visualization of data. These query tools were designed and compiled following scenarios of known "behavior" patterns of dormant volcanoes and first candidate signs of potential unrest. The</div>
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