The 'Tenuta di Castelporziano' (Castelporziano Presidential Estate) is an important area for the study of Mediterranean coastal and dune ecosystems. The need of providing a new and detailed Vegetation Map rose for the environmental monitoring of that area and its efficient management. All activities were developed using remote sensing images acquired by a new 12 band DAEDALUS sensor, in the course of a specific monitoring aero-campaign organized by ENEA. The realization of the map, lasted one year, can be divided into two blocks: (1)remote sensing image processing methodologies, developed at the ENEA-Casaccia Research Center (Rome), by experts of Remote Sensing Department; and (2) 'in situ' work, realized by ecologists and botanical experts of University of Rome 'La Sapienza'.
Image processing steps were organized as follows: (i) geometric correction and georeferencing of the images; (ii) classification;
(iii) mosaicking; (iv) conversion into vector layer and editing.
As concerns image processing, ERDAS/IMAGINE system was used, while ARC/INFO system was used for vector layers management and map printing. At the end of all activities the map accuracy was tested by a statistical procedure: the global accuracy was about of 88%.
The map is integrated in a information system (SITAC), a GIS realized by ENEA.
Francesco Silvestri, M. Battista, M. Colaiacomo, G. Forti, Nancy Minciotti, E. Mirgone, G. Morrone, Stefano Mugnoli, M. Rocchi, L. Vannicelli Casoni, Massimo Villarini
The Aniene River rises in the Simbruini Mountains, runs for about 100 km and empties into the Tiber River within Rome's urban area. In its last stretch, it flows from Tivoli to the Tiber river through the travertine deposits of the Tivoli and Bagni Albule area and the volcanic and alluvial sediments of the roman countryside. The quality of the water found in the rivers drainage basin, suffers enormously from human activities, especially in the lower course. Our main goal was to demonstrate that remote sensing may be used to detect and compare natural conditions and situations resulting from human activities as regards the hydrogeological hazard of the Aniene River, thus directing future interventions aimed at mitigating human impact and restoring previous environmental balance. This work describes a procedure that, starting from cartography data acquisition and satellite image processing, permitted us to produce an hydrogeological vulnerability map of the lower course of the Aniene River using an option of the Xpace module multilayer modelling (software Easy Pace by PCI). In the future we propose to extend this procedure to the entire Aniene basin and to relate the hydrogeological vulnerability map with human activities that impact on the area.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.