The purpose of this work is to provide the methodological and instrumental framework for the establishment of a new absolute gravity and height reference network in Sicily. The aim of the network is to contribute to the new reference systems in the Italian area, useful for the scientific and technological activities related to the gravity field and to the proper definition of a modern height system in this region. The network is composed of 5 stations, evenly distributed to form a large mesh, which roughly covers the entire Sicily. Since four of the five selected stations were measured also in the 1990s, it was also possible to evaluate whether long-term gravity changes occurred at these sites (basic requirement for a reference network) and check the long-term ground deformation patterns, using data from the closest GPS/GNSS stations. The observed gravity changes over a time interval of about 30 years at the absolute stations and in the surrounding areas, confirm the long-term stability of the selected areas/sites.

Filippo Greco, Giovanna Berrino, Federica Riguzzi, Augusto Mazzoni, Matteo Amendola, Daniele Carbone, et al. (2024). The first absolute gravity and height reference network in Sicily. SCIENTIFIC DATA, 11 [10.1038/s41597-024-03177-4].

The first absolute gravity and height reference network in Sicily

Gino Dardanelli;Mauro Lo Brutto;Antonino Maltese;
2024-04-08

Abstract

The purpose of this work is to provide the methodological and instrumental framework for the establishment of a new absolute gravity and height reference network in Sicily. The aim of the network is to contribute to the new reference systems in the Italian area, useful for the scientific and technological activities related to the gravity field and to the proper definition of a modern height system in this region. The network is composed of 5 stations, evenly distributed to form a large mesh, which roughly covers the entire Sicily. Since four of the five selected stations were measured also in the 1990s, it was also possible to evaluate whether long-term gravity changes occurred at these sites (basic requirement for a reference network) and check the long-term ground deformation patterns, using data from the closest GPS/GNSS stations. The observed gravity changes over a time interval of about 30 years at the absolute stations and in the surrounding areas, confirm the long-term stability of the selected areas/sites.
8-apr-2024
Settore ICAR/06 - Topografia E Cartografia
Filippo Greco, Giovanna Berrino, Federica Riguzzi, Augusto Mazzoni, Matteo Amendola, Daniele Carbone, et al. (2024). The first absolute gravity and height reference network in Sicily. SCIENTIFIC DATA, 11 [10.1038/s41597-024-03177-4].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10447/632435
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