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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9677

Authors: Tosi, Luigi
Brancolini, Giuliano
Baradello, Luca
Donda, Federica
Rizzetto, Federica
Title: Very high resolution seismic surveys in the lagoon and gulf of Venice shallow waters
Issue Date: 13-Jun-2006
Keywords: Venice
VHR
Holocene
Pleistocene.
shallow water
BOOMER
3D multi-channel seismic survey
beach rocks
Tegnue
Abstract: Within the framework of the geological mapping of the Venice area (CARG Project: Map Sheet 128 “Venezia” and Map Sheet 148-149 “Chioggia-Malamocco”) a very high resolution seismic survey (VHRS) was carried out to correlate data from hundreds of cores with the main aim to map the depth of the Late Pleistocene and Holocene unconformity (Brancolini et al., 2005; Rizzetto et al., 2005; Tosi et al., 2006a,b). Due to logistic and technical limits, the acquisition of seismic survey in the Venice Lagoon was restricted to the channels with more of 5 m water depth, most of them artificial or dredged. A new survey, with the aim to extend the VHRS surveys to the shallow water, such as the tidal flats, is in progress within the Co.Ri.La. Project framework (3.16 Subproject). The Co.Ri.La 3.16 Subproject is based on an acquisition system installed on a boat with a very shallow draught. The new survey will allow the detection and mapping of many interesting geological-geomorphologic structures, i.e. paleoriver beds, ancient lagoon channels and shoreline ridges, that are like-outcropping, and that have been only partially recognized in the previous surveys.
Appears in Collections:04.04.04. Marine geology
Conference materials

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