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Open-File Report 2011-1124

Computer Programs for Forward and Inverse Modeling of Acoustic and Electromagnetic Data

By Karl J. Ellefsen

Thumbnail of and link to PDF (810 kB)Abstract

A suite of computer programs was developed by U.S. Geological Survey personnel for forward and inverse modeling of acoustic and electromagnetic data. This report describes the computer resources that are needed to execute the programs, the installation of the programs, the program designs, some tests of their accuracy, and some suggested improvements.

First posted July 8, 2011

For additional information contact:

USGS Crustal Geophysics and Geochemistry Science Center
Box 25046, Mail Stop 964
Denver, CO 80225

Part of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Suggested citation:

Ellefsen, K.J., 2011, Computer programs for forward and inverse modeling of acoustic and electromagnetic data: U.S. Geological Survey Open-File Report 2011–1124, 11 p. [Available at].



1. Introduction

2. Installation

3. Example Calculations

4. Design

5. Discussion

6. Acknowledgments

7. References

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