Fast numerical modeling of multitransmitter electromagnetic data using multigrid Quasi-Linear approximation

Takumi Ueda; Michael S. Zhdanov

doi:10.1109/TGRS.2006.864386

Fast numerical modeling of multitransmitter electromagnetic data using multigrid Quasi-Linear approximation

Takumi Ueda^*, Michael S. Zhdanov

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

Multitransmitter electromagnetic (EM) surveys are widely used in remote-sensing and geophysical exploration. The interpretation of the multitransmitter geophysical data requires numerous three-dimensional (3-D) modelings of the responses of the receivers for different geoelectrical models of complex geological formations. In this paper, we introduce a fast method for 3-D modeling of EM data, based on a modified version of quasilinear approximation, which uses a multigrid approach. This method significantly speeds up the modeling of multitransmitter-multireceiver surveys. The developed algorithm has been applied for the interpretation of marine controlled-source electromagnetic (MCSEM) data. We have tested our new method using synthetic problems and for the simulation of MCSEM data for a geoelectrical model of a Gemini salt body.

Original language	English
Pages (from-to)	1428-1434
Number of pages	7
Journal	IEEE Transactions on Geoscience and Remote Sensing
Volume	44
Issue number	6
DOIs	https://doi.org/10.1109/TGRS.2006.864386
Publication status	Published - 2006 Jun 1
Externally published	Yes

Keywords

Electromagnetic (EM)
Multigrid approach
Multitransmitter modeling
Quasilinear (QL) approximation

ASJC Scopus subject areas

Electrical and Electronic Engineering
Earth and Planetary Sciences(all)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TGRS.2006.864386

Cite this

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abstract = "Multitransmitter electromagnetic (EM) surveys are widely used in remote-sensing and geophysical exploration. The interpretation of the multitransmitter geophysical data requires numerous three-dimensional (3-D) modelings of the responses of the receivers for different geoelectrical models of complex geological formations. In this paper, we introduce a fast method for 3-D modeling of EM data, based on a modified version of quasilinear approximation, which uses a multigrid approach. This method significantly speeds up the modeling of multitransmitter-multireceiver surveys. The developed algorithm has been applied for the interpretation of marine controlled-source electromagnetic (MCSEM) data. We have tested our new method using synthetic problems and for the simulation of MCSEM data for a geoelectrical model of a Gemini salt body.",

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AU - Zhdanov, Michael S.

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AB - Multitransmitter electromagnetic (EM) surveys are widely used in remote-sensing and geophysical exploration. The interpretation of the multitransmitter geophysical data requires numerous three-dimensional (3-D) modelings of the responses of the receivers for different geoelectrical models of complex geological formations. In this paper, we introduce a fast method for 3-D modeling of EM data, based on a modified version of quasilinear approximation, which uses a multigrid approach. This method significantly speeds up the modeling of multitransmitter-multireceiver surveys. The developed algorithm has been applied for the interpretation of marine controlled-source electromagnetic (MCSEM) data. We have tested our new method using synthetic problems and for the simulation of MCSEM data for a geoelectrical model of a Gemini salt body.

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KW - Multigrid approach

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KW - Quasilinear (QL) approximation

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Fast numerical modeling of multitransmitter electromagnetic data using multigrid Quasi-Linear approximation

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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