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

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

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Raw Data


K-1-93-HW Seismic Profiles, Trackline 6a

High resolution 3.5 kHz profile from line 6 over the active South Oahu disposal site. Note how the seafloor here differs from that at the former Honolulu Harbor site (trackline profiles 4 and 5a). Note the lateral discontinuity in seafloor reflectivity as shown by the subtle variation in the color of the seafloor reflector from dark purple to lighter purple. Read more about this portion of the Mamala Bay study.


trackline 6a

Go to 1993 seismic trackline map (74 Kb)

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For more information, please contact:
Mike Torresan

U.S. Geological Survey
2885 Mission Street
Santa Cruz, CA 95060

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)