The Neapolitan volcanic district is one of the most important volcanic areas in Italy; for this reason, it is regularly monitored using different geodetical and surveying methods. The aim of using laser scanning in this area is to evaluate the possibilities to get a good quality DTM (Digital Terrain Model) for different applications. Therefore, some experiments have been carried out over the area. The first experiment was performed on the Phlegrean Fields area, where strong vertical deformations have been measured in the past; the second one was carried out on the northern part of Ischia Island, where small movements have been detected. The DTM and the final results will be hereby presented and discussed; the precision obtained is verified by a comparison with other techniques (GPS measurements and spirit levelling data)
Digital Terrain Model using Laser Scanning in the Neapolitan volcanic area
ACHILLI, VLADIMIRO;FABRIS, MASSIMO;MENIN, ANDREA;
2001
Abstract
The Neapolitan volcanic district is one of the most important volcanic areas in Italy; for this reason, it is regularly monitored using different geodetical and surveying methods. The aim of using laser scanning in this area is to evaluate the possibilities to get a good quality DTM (Digital Terrain Model) for different applications. Therefore, some experiments have been carried out over the area. The first experiment was performed on the Phlegrean Fields area, where strong vertical deformations have been measured in the past; the second one was carried out on the northern part of Ischia Island, where small movements have been detected. The DTM and the final results will be hereby presented and discussed; the precision obtained is verified by a comparison with other techniques (GPS measurements and spirit levelling data)
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