USGS Western Region Coastal and Marine Geology

Torresan, M.E., and Gardner, J.V.,2000, Acoustic Mapping of the Regional Seafloor Geology in and Around Hawaiian Ocean Dredged-Material Disposal Sites, U.S. Geological Survey Open-file Report 00-124.

Figure 14 - Perspective view of south O'ahu dredged material disposal sites and associated deposits.

Dredged material deposits are high backscatter (red). Note the bedforms (sandwaves) that trend northwesterly across much of the seafloor. The bedforms are also visible on the multibeam imagery shown in Plate 4. The scale across the bottom of the image is about 9 km. Vertical exaggeration is 5x.

[Fig 14 Mamala Bay Perspective Image ]

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Maintainer: Susan A. Cochran
Last modified: 13 Dec 2000

U.S. Department of the Interior, U.S. Geological Survey, Western Region Coastal and Marine Geology