Effectiveness of electromagnetic conductivity mapping for delineating subsurface structures related to the Roman port of Emporiae

Albert Casas, Pere Castanyer, Mahjoub Himi, Raul Lovera, Lluís Rivero, Marta Santos, Joaquim Tremoleda, Rubén García, Aritz Urruela

Abstract

In this paper we present the results of a geophysical survey conducted using frequency domain electromagnetics (FDEM). The geophysical survey is part of a wider archaeological research project designed to obtain conclusive evidences about the location the Roman harbour expected to be buried under alluvial sediments in the bay close to the remains from Greek and Roman times. A total of 3545 stations were recorded with a Geonics EM31 MK2 ground conductivity meter in two dipole configuration modes: horizontal and vertical dipoles. Apparent conductivity measurements were sampled every meter along lines. The results obtained in this study indicate that shallow electromagnetic induction is a very useful alternative for mapping the buried paleolandscape related to harbours and coastal plains laying over a high resistivity

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DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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