Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data

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A Frequency-domain Electromagnetic Induction System was used to characterize an archaeological site in South Patagonia. This method involves the measurement of the change in mutual impedance between a pair of moving coils. The data are usually interpreted directly from the In-Phase and Quadrature co...

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Autores principales: Martinelli, P., Osella, A., Lascano, E.
Formato: CONF
Materias:
Architecture
Frequency domain analysis
Numerical models
Archaeological site
Characteristic signature
Electrical signatures
Electromagnetic induction response
Frequency domains
Good correlations
Quadrature components
Structural feature
Electromagnetic induction
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_NIS21364_v_n_p_Martinelli
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_NIS21364_v_n_p_Martinelli2023-10-03T16:46:18Z Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data Martinelli, P. Osella, A. Lascano, E. Architecture Frequency domain analysis Numerical models Archaeological site Characteristic signature Electrical signatures Electromagnetic induction response Frequency domains Good correlations Quadrature components Structural feature Electromagnetic induction A Frequency-domain Electromagnetic Induction System was used to characterize an archaeological site in South Patagonia. This method involves the measurement of the change in mutual impedance between a pair of moving coils. The data are usually interpreted directly from the In-Phase and Quadrature components, and sometimes also by performing a 1D or in some particular cases 2D inversions. Most of the applications of this method point to the detection of metals and other conductive bodies. Notwithstanding, we have found in a previous paper that good resolution can be obtained for detecting also resistive structures. In the present paper, we analyzed the sensitivity of the method to characterize a structural feature that was present at the archaeological site: two adobe walls with tile deposits between them, both with a clear resistive electrical signature. Using the 2D forward modeling code introduced in that paper, we performed numerical simulations of the In-Phase and Quadrature components of the response of the above mentioned buried structure. The results were then used to interpret the data acquired at the site. The archaeological structure and the soil environment were modeled using information from excavations as well as from geoelectrical data; then, we calculated the synthetic responses using the 2D forward code and these results were compared to data. The good correlation obtained confirmed us that these resistive structures present a characteristic signature, which can be distinguished in the response patterns. © 2004 SEG Annual Meeting. All rights reserved. CONF info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_NIS21364_v_n_p_Martinelli
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Architecture
Frequency domain analysis
Numerical models
Archaeological site
Characteristic signature
Electrical signatures
Electromagnetic induction response
Frequency domains
Good correlations
Quadrature components
Structural feature
Electromagnetic induction
spellingShingle Architecture
Frequency domain analysis
Numerical models
Archaeological site
Characteristic signature
Electrical signatures
Electromagnetic induction response
Frequency domains
Good correlations
Quadrature components
Structural feature
Electromagnetic induction
Martinelli, P.
Osella, A.
Lascano, E.
Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data
topic_facet Architecture
Frequency domain analysis
Numerical models
Archaeological site
Characteristic signature
Electrical signatures
Electromagnetic induction response
Frequency domains
Good correlations
Quadrature components
Structural feature
Electromagnetic induction
description A Frequency-domain Electromagnetic Induction System was used to characterize an archaeological site in South Patagonia. This method involves the measurement of the change in mutual impedance between a pair of moving coils. The data are usually interpreted directly from the In-Phase and Quadrature components, and sometimes also by performing a 1D or in some particular cases 2D inversions. Most of the applications of this method point to the detection of metals and other conductive bodies. Notwithstanding, we have found in a previous paper that good resolution can be obtained for detecting also resistive structures. In the present paper, we analyzed the sensitivity of the method to characterize a structural feature that was present at the archaeological site: two adobe walls with tile deposits between them, both with a clear resistive electrical signature. Using the 2D forward modeling code introduced in that paper, we performed numerical simulations of the In-Phase and Quadrature components of the response of the above mentioned buried structure. The results were then used to interpret the data acquired at the site. The archaeological structure and the soil environment were modeled using information from excavations as well as from geoelectrical data; then, we calculated the synthetic responses using the 2D forward code and these results were compared to data. The good correlation obtained confirmed us that these resistive structures present a characteristic signature, which can be distinguished in the response patterns. © 2004 SEG Annual Meeting. All rights reserved.
format CONF
author Martinelli, P.
Osella, A.
Lascano, E.
author_facet Martinelli, P.
Osella, A.
Lascano, E.
author_sort Martinelli, P.
title Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data
title_short Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data
title_full Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data
title_fullStr Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data
title_full_unstemmed Numerical simulation of electromagnetic induction responses of 2D resistive structures as an aid for interpretation of archaeological data
title_sort numerical simulation of electromagnetic induction responses of 2d resistive structures as an aid for interpretation of archaeological data
url http://hdl.handle.net/20.500.12110/paper_NIS21364_v_n_p_Martinelli
work_keys_str_mv AT martinellip numericalsimulationofelectromagneticinductionresponsesof2dresistivestructuresasanaidforinterpretationofarchaeologicaldata
AT osellaa numericalsimulationofelectromagneticinductionresponsesof2dresistivestructuresasanaidforinterpretationofarchaeologicaldata
AT lascanoe numericalsimulationofelectromagneticinductionresponsesof2dresistivestructuresasanaidforinterpretationofarchaeologicaldata
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