Title page for ETD etd-06042004-120413

Type of Document Master's Thesis
Author Samuel, Bruce Miles
Author's Email Address bms@cctechnol.com,bsamuel@lsu.edu
URN etd-06042004-120413
Title A Comparison of a High-Resolution Survey and a Three-Dimensional Seismic Survey in a Feature-Rich Region of the Green Canyon Area, Gulf of Mexico
Degree Master of Science (M.S.)
Department Geology & Geophysics
Advisory Committee
Advisor Name Title
Arnold H. Bouma Committee Co-Chair
Harry H. Roberts Committee Co-Chair
John Wrenn Committee Member
  • 3D
  • 3-D
  • AUV
  • mud volcano
  • authigenic carbonates
  • hydrocarbon seeps
  • green canyon
  • seismic
  • high-resolution
  • 3D seismic
Date of Defense 2004-05-20
Availability unrestricted
Recent advances in Autonomous Underwater Vehicle (AUV) technology have revolutionized the positioning and accuracy of high-resolution deep sea mapping tools. Geologic hazard and engineering surveys by AUVís are producing high-resolution data sets of a quality that has never before been seen. Three-dimensional (3D) seismic data, though traditionally used for only deep subsurface mapping of large areas, is now being reprocessed at a higher resolution and utilized in well site investigations and geologic hazard assessments. This study makes a comparison between a 3D seismic survey and an AUV high-resolution survey in order to determine the strengths and weaknesses of both of these data. The study area, located in the central eastern portion of the Green Canyon Area, Gulf of Mexico, hosts several geologic features that should be easily mapped with both media such as: major and minor faulting, a mud volcano, mud vents, mudflows, hardgrounds, slumps, and gullies. The comparison of the 3D seismic survey and the high-resolution survey will more clearly point out the strengths and weaknesses of these two types of seafloor data, which are used for geohazards assessments.
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