A Gis method for geodetic applications: the central Apennine Geodetic Network (GeoNetGis)

To geophysical research and monitor
crustal deformation in seismic and volcanic
areas, a Geodetic Geographical Information
System has been developed (GeoNetGIS). We
applied our geodetic oriented GIS to a new GPS
network recently set up and surveyed in the
Central Apennine region. The Central Apennine
Geodetic Network (CA-GeoNet) consists in 130
stations with an average grid of 5 km, covering
the main seismogenetic structures of the area.
Management and mapping GPS networks
with large multi-scaled data set, geographically
referenced and with continuous or discrete coverage,
required a multidisciplinary approach.
GeoNetGIS, allow us, to analyze in three and
four dimensions GPS sources, improve crustal
deformation analysis and tectonic structure
interpretation. Thematic Layers can be set up by
many different databases such as Geodesy,
Topography, Seismicity, Geology, Geography
and Raster Images. GPS site displacements,
velocity vectors and strain rate maps, gained by
numerical and spatial analysis, can be showed
by GeoNetGIS.