From land to sea: a new high-resolution bathymetry and topography of the Campi Flegrei area, Southern Italy

Roberto Gianardi, Marina Bisson, Luca Cocchi, Roberto Isaia, Salvatore Passaro, Vincenzo Sepe and Claudia Spinetti

Journal of Maps, 2024, vol. 20, issue 1, 2404873

Abstract: Campi Flegrei is an active volcanic area located in the Campanian region (southern Italy). It is characterized by a caldera structure including a subaerial portion densely populated and a submarine area represented by the Gulf of Pozzuoli. Altimetry data acquired by Airborne Laser Scanning and seafloor depth data coming from several bathymetry surveys were used to show a Digital Elevation Model with a spatial resolution of 1 m for the topography of Campi Flegrei. This model, for the first time, reconstructs a topographic continuum from land to seafloor for a total extent of 138.32 km2. Thanks to the high spatial resolution, the model allowed to map and measure seafloor features such as landslides and terraces as well as Roman-epoch artefacts. Our results provide accurate reference topography for a more complete mapping and modelling of natural hazards that affect, directly or indirectly, the entire area of the Campi Flegrei caldera.

Date: 2024
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DOI: 10.1080/17445647.2024.2404873

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