Marine geophysical methods for archaeological investigation of volcanic and bradyseismic areas
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Abstract
The aim of this work was to test several geophysical methods for the identification and study of submerged
prehistorical coastlines and archaeological sites. This research program was carried out in collaboration with
the <> in the Gulf of Pozzuoli and dealt in particular with the bathymetric strips extending
from - 5 m to - 50 m Within these strips we identified the coastline dating from the Rornan period.
former beach boundaries associated with the vertical movements of the earth's surface caused by seismic-volcanic
activity, and the variations in sea level following the climactic changes throughout the last 15000 years.
The UNIBOOM system was used for this part of the programme, perinittiilg the identification of several coastlines
and submerged beaches lying at different levels. The use of a modern Side Scan Sonar - for the morphological
invesdgation of the sea bed - in a zone which had been the object of numerous archaeological surveys
in the past, permitted previously unknown structures near the Lacuus Baianus to be identified. Other features
worth pointing out include the operating speed of the system (15000 m'lfirst minute approx) and its observation
capacity in cloudy waters compared to visible radiation, as well as its ability to penetrate thin layers of
mud which generally impede direct underwater observation.
prehistorical coastlines and archaeological sites. This research program was carried out in collaboration with
the <> in the Gulf of Pozzuoli and dealt in particular with the bathymetric strips extending
from - 5 m to - 50 m Within these strips we identified the coastline dating from the Rornan period.
former beach boundaries associated with the vertical movements of the earth's surface caused by seismic-volcanic
activity, and the variations in sea level following the climactic changes throughout the last 15000 years.
The UNIBOOM system was used for this part of the programme, perinittiilg the identification of several coastlines
and submerged beaches lying at different levels. The use of a modern Side Scan Sonar - for the morphological
invesdgation of the sea bed - in a zone which had been the object of numerous archaeological surveys
in the past, permitted previously unknown structures near the Lacuus Baianus to be identified. Other features
worth pointing out include the operating speed of the system (15000 m'lfirst minute approx) and its observation
capacity in cloudy waters compared to visible radiation, as well as its ability to penetrate thin layers of
mud which generally impede direct underwater observation.
Article Details
How to Cite
Giordano, F. (1995) “Marine geophysical methods for archaeological investigation of volcanic and bradyseismic areas”, Annals of Geophysics, 38(5-6). doi: 10.4401/ag-4099.
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