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Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, Jr., J.H., Zink, L.L., Chase, T.E., Wong, F.L., Gann, J.T., and Dartnell, P., 1995, Final report: acoustic mapping of dredged material disposal sites and deposits in Mamala Bay, Honolulu, Hawaii: U.S. Geological Survey Open-file Report 95-17.

Figure 9. Bedforms, (possibily sandwaves) as seen on a 3.5–kHz profile collected along line 11, located on the south east side of the plume–shape former Honolulu Harbor site. The bedforms here are more pronounced than those visible in figure 8, and like figure 8 (line 5), the bedforms start within the eastern edge of the former Honolulu Harbor disposal site, and extend about 2 km into the low–backscatter seafloor that is unaffected by dredged material disposal. The presence of bedforms well outside the high–backscatter deposit suggests a natural rather than anthropogenic origin.

fig 09


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