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 15 - Close up of Kongsberg Simrad EM300 multibeam backscatter map over the Old Honolulu Harbor disposal site.

See Figures 12 and 13 for location of disposal site and compare to sidescan imagery in Figure 16. Multibeam image shows bedforms that are about 100-200 m in wave length and 1-3 m high, and other seafloor details that are not evident in the sidescan image seen in Figure 16. The scale across bottom of image is 5.6 km.

[Fig 15 Honolulu Harbor Multibeam image Close Up ]

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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