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Metadata
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ID
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K-2-94-HW
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Abstract
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United States Army Corps of Engineers. Chief Scientists:
Mike Torresan, Monty Hampton. Geological and Geophysical data
(YoNav, GPS, 3dot5khz, 12khz, boxcore) of field activity
K-2-94-HW in Mamala Bay, Offshore Honolulu, Oahu, Hawaii,
United States of America from 05/16/1994 to 05/23/1994
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Organization
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United States Army Corps of Engineers
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Project/Theme
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South Oahu Deep Ocean Disposal Site Survey
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National Plan
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Environment
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Chief Scientist
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Mike Torresan
Monty Hampton
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Activity Type
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Geological and Geophysical
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Platform
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Kila
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Area of Operation
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Mamala Bay, Offshore Honolulu, Oahu, Hawaii, United States of America
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Location map
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Bounding Coordinates
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21.31621
-158.00703 -157.86066
21.18314
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Dates
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05/16/1994 (JD 136) to 05/23/1994 (JD 143)
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Analog Materials
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list
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Index map
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Crew
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Mike Torresan
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Chief Scientist, USGS Western Region
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Monty Hampton
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Chief Scientist, USGS Western Region
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Equipment Used
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YoNav
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GPS
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3dot5khz
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12khz
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boxcore
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Purpose
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To sample and groundtruth the 1993 Acoustic data especally the sidedscan sonar
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mosaic of the seafloor of Mamala Bay over the US Corps of Engineers Deep Ocean
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dredged material Disposal Sites used by Pearl and Honolulu Harbors. Use box core
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samples to determine the chemical and physical effects and anthropogenic stresses
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placed on the seafloor and near-surface substrate of Mamala Bay, Honolulu, Oahu,
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Hawaii. The samples will be used to determine the toxicological and chemical
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effects of dredged material disposal on the ecosystem as well.
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Follow-up surveys addreessing the infauna will be conducted in 1995.
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Summary
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71 box core stations occupied in Mamala Bay, Honolulu, Oahu, Hawaii
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with 65 recoveries. Cores photographed and slab taken from cores also x-rayed
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for structure. Dredged material visible in many cores on and off the disposal
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sites. Subsamples collected for toxicological analyses and anthropogenic
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effects including: extractable heavy metals, organics, inorganics, pcb's,
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pesticides, mineralogy, grain size, total- organic- and carbonate carbon.
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Notes
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Publications
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Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, J.H., Jr., Zink, L.L., Chase, T.E.,
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Wong, F.L., Gann, J.T., and Dartnell, Peter, 1995, Final report; acoustic mapping of dredged
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material disposal sites and deposits in Mamala Bay, Honolulu, Hawaii: U.S. Geological Survey
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Open-File Report 95-0017, 53 p. , 1 sheet: http://geopubs.wr.usgs.gov/open-file/of95-17/
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Hampton, M.A., Torresan, M.E., Barber, J.H., Jr., Wong, F.L., Chezar, H., Gowen, M.H.,
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and Chase, T.E., 1995, Multimedia survey of the Mamala Bay sea floor, Hawaii: Geological
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Society of America Abstracts with Programs, v. 27, no. 6, p. 201.
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Got Help?
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For K-2-94-HW, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, NGDC Info, owner, ports, project number, scanned materials, seismic description, station count, station description, submersible, tabulated info.
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