Geospatial warning systems
|Project | GEOWARN Design | Transferability | Final Product | Innovation/Outlook|
The GEOWARN Design > The GEOWARN Spatial Database > Primary Graphic and Numeric Input Data
The GEOWARN Spatial Database
The first step in the creation of GEOWARN consisted in the design and the development
of a relational spatial database following the "Georelational Model"
using conventional commercial GIS software. The "Georelational Model"
uses points, lines, polygons, and related attribute-tables to define spatial
Primary Graphic and Numeric Input Data
Fig. 38 GEOWARN database comprising graphical and numerical
The database comprises the following graphical and numerical geo-spatial data:
1) Remote sensing data: Satellite images (e.g. infrared thermal imaging and
displacement observations analyzed by new interferometric image processing).
Integration of these independent parameters permitted the development of useful modeling techniques that are suitable for the detection of dynamic processes such as the reactivation of a quiescent volcano and earthquakes. To provide a good platform for analysis and correlation, various volcanic data sets were examined which show a high degree of heterogeneity. The chosen software solution was Arc/Info™ 8.1 (ESRI) in combination with MS Access™ (Microsoft).
Fig. 39 Interactive and user friendly cartographic representation
of the entire data output set. Swiss Federal Institute of Technology (ETHZ)
created by geopublic
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