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Title: Baseline Studies and Evaluation of the Physical, Chemical, and Biological Characteristics of Nearshore Dredge Spoil Disposal - Final Summary, Pearl Harbor, Hawaii 
Author: Chave, Keith E; Miller, Jacquelin N
Date: 1978-05
Publisher: Environmental Center, University of Hawaii at Manoa
Citation: Chave KE, Miller JN. 1978. Baseline Studies and Evaluation of the Physical, Chemical, and Biological Characteristics of Nearshore Dredge Spoil Disposal - Final Summary, Pearl Harbor, Hawaii. Honolulu (HI): Environmental Center, University of Hawaii.
Abstract: The present study represents a major effort to evaluate the essentially unique environmental considerations required for the safe disposal of dredge spoil in deep, near-shore, coastal waters off of Pearl Harbor, Hawaii. The project as proposed, was conducted in three phases: Part A involved the collection of certain baseline data in the area originally proposed by the Navy. The data were analyzed in terms of identifying the existing water quality, benthic and pelagic biological communities, sediment characteristics and ocean current regimes. On the basis of the results obtained, the originally proposed area was recommended as a dredge spoil disposal site. The second phase of the study (Part B) addressed the actual dumping operations and included monitoring of the spoil on release and its distribution in the water column, on the bottom, and its immediate effects on the biota. The final phase (Part C) emphasized the longer term, postdisposal effects. The evaluation of the data obtained during the three phases of this study has resulted in a recommendation for continued disposal of dredge spoil at the specific dump site: 21˚15.9’ N., 157°56.7’ W. The two year study has produced no evidence of significant long-term effects, either positive or negative, on the geological conditions, water quality, or biological communities that can be attributed to the disposal of dredge spoil in this area.
Sponsorship: Pacific Division Naval Facilities Engineering Command
Pages/Duration: 8, [9] p.
URI: http://hdl.handle.net/10125/13457
LC Subject Headings: Dredging spoil -- Environmental aspects -- Hawaii.
Waste disposal in the ocean -- Hawaii -- Oahu.

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