USGS Western Coastal and Marine Geology
Pacific Coastal & Marine Science Center

Fate of Dredge Disposal Material and Polluted Sediment, Offshore Honolulu, Hawaii

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3D Color Perspective View Of The Southeast Oahu Margin, Eastern Mamala Bay

View is to the northwest. The scalloped reef terrace dominates the upper margin, and large bedforms are the principal feature on the slope and basin floor (A). The bedforms are long crested, straight to curved, and spaced several 100's of m. Heights typically range from 3 to 5 m. The bedforms, like those further to the west in Mamala Bay, indicate relatively strong near-bottom flows to the west and northwest. The scale across the bottom of the image is appx 3.5 km. The vertical exaggeration is 5x.

East Oahu Bedforms


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For more information, please contact:
Michael E. Torresan

U.S. Geological Survey
345 Middlefield Road MS 999
Menlo Park, CA 94025

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U.S. Department of the Interior | U.S. Geological Survey | Western Coastal & Marine Geology
Maintained by Laura Zink Torresan
Last modified 11 October 2005 (lzt)