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Book Chapter

Sea Floor Mapping by Microcomputer-Assisted Side-Scan Sonar

By
D. B. Prior
D. B. Prior
Coastal Studies Institute, Louisiana State University Baton Rouge, Louisiana 70803
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J. M. Coleman
J. M. Coleman
Coastal Studies Institute, Louisiana State University Baton Rouge, Louisiana 70803
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R. L. Caron
R. L. Caron
Coastal Studies Institute, Louisiana State University Baton Rouge, Louisiana 70803
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E. G.
E. G.
Coastal Studies Institute, Louisiana State University Baton Rouge, Louisiana 70803
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G. Waltham Massachusetts
G. Waltham Massachusetts
Coastal Studies Institute, Louisiana State University Baton Rouge, Louisiana 70803
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Published:
January 01, 1981

Abstract

An improved microcomputer-assisted side-scan sonar has been developed which provides automatic correction for slant angle and ship’s speed. Sonographs are scale correct and give true plan views of the sea floor. Automatic signal amplitude corrections are applied so that darkness tones relate directly to the backscattering properties of the bottom morphology ans sediments. The digitally acquired data can be displayed in real time or stored on magnectic tape for replay and image enhancement. This system is particularly useful for sea floor mapping, since true-scale mosaics of large areas of sea floor can bo obtained. Also, accurate remapping is now possible, and data are suitable for a variety of analysis procedures which yield information on sea floor morphology and sediment characteristics. The system is being successfully used in mapping the entire submarine geomorphology of the Mississippi delta.

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AAPG Continuing Education Course Notes Series

Offshore Geologic Hazards: A Short Course Presented at Rice University, May 2-3, 1981 for the Offshore Technology Conference

Arnold Bouma
Arnold Bouma
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Dwight Sangrey
Dwight Sangrey
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James Coleman
James Coleman
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David Prior
David Prior
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Anita Trippet
Anita Trippet
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Wayne Dunlap
Wayne Dunlap
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James Hooper
James Hooper
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American Association of Petroleum Geologists
Volume
18
ISBN electronic:
9781629812618
Publication date:
January 01, 1981

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