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OAS accession Detail for 9900088

Accession: 9900088 Download KML, bounding region plus 7 of 7 points.

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Title:Benthic faunal sampling adjacent to the Sand Island ocean outfall, Oahu, Hawaii, 1986-2010 (NODC Accession 9900088)
Abstract:Benthic fauna in the vicinity of the Sand Island ocean outfall were sampled from 1986-2010. To assess the environmental quality, sediment grain size and sediment chemistry were measured. To identify the fauna, mollusk species and non-mollusk species sitings were tabulated. Stations were located both within and on the boundary of the zone of initial dilution (ZID) and at distances of 1.2 to 2 km from the ZID boundary. In summary, the response patterns of benthic fauna near the Sand Island ocean outfall showed little or no indication of a strong influence by the diffuser effluent.

The sampling methodology used in this study generally followed the recommendations of Swartz (1978) and US EPA guidelines(EPA 1987a, 1987b), hereafter refered to as EPA procedures.

A modified 0.16-m2 van Veen grab sampler deployed from a stern-mounted A-frame on the research vessel Noi I Kai was used to obtain bottom samples at all seven stations. Penetration of the sampler was adequate for all replicates. The minimum penetration depth for all grabs was 6 cm and the maximum was 13 cm.

Six van Veen grabs were taken at each station. A subsample 7.6 cm in diameter by 5 cm deep was taken from each grab sample for infaunal analysis and a subsample 4.8 cm in diameter by 5 cm deep for mollusk analysis. Subsampling was necessary because the epifauna and infauna in the area are known to be both small and abundant and processing of the entire sample would be impractical. Replicated grab samples at each station, rather than replicated subsamples from one grab sample, were used to provide information on intrastation variability. All six nonmollusk subcores were processed on a 0.5-mm screen.

Samples for geochemical analyses (total organic carbon (TOC), oxidation-reduction potential (ORP), sediment oil and grease (O&G), total Kjeldahl nitrogen (TKN), and grain size) were obtained from the grabs from which the biological subcores were taken. Each replicate van Veen grab contained more than enough sediment for both purposes (methods HI0020117). Three subsamples 7.6 cm in diameter by 5 cm deep (one from each of three differnt grab samples) were taken from all stations. The top 2 cm of sediment of each subsample were used for geochemical analysis. Samples for TOC and sediment O&G analysis were put in screw-cap jars, placed on ice, and taken to the laboratory for analysis. Sediment analyses of sediment grain size, ORP, TKN, and O&G followed EPA procedures. Analysis of TOC was carried out by Severn Trent Laboritories (Colchester, Vermont), using the modified Lloyd Khan method, which utiliezes an infrafred detector to measure carbon dioxide. Inorganic carbon was removed from the samples by treating them with a 1:1 solution of hydrochloric acid prior to TOC analysis.
Date received:20120308
Start date:19860101
End date:20100830
Seanames:North Pacific Ocean
West boundary:-157.929
East boundary:-157.89
North boundary:21.2919
South boundary:21.2814
Observation types:benthic, biological, chemical, geological, sediment analysis
Instrument types:sediment sampler - grab, visual analysis
Datatypes:BENTHIC COMMUNITIES, BENTHIC SPECIES - TAXA COUNTS, BENTHIC SPECIES - TAXA IDENTITIES, BENTHIC SPECIES - TAXA WET WEIGHTS, BENTHIC SPECIES, BIOCHEMISTRY, CHEMISTRY - SEDIMENT, HABITAT - BENTHIC, SEDIMENT - GRAIN SIZE, SEDIMENT PROPERTIES, SEDIMENTS - ORGANIC CARBON, SPECIES IDENTIFICATION
Submitter:Moncur, Dr. James E.T.
Submitting institution:UHM
Collecting institutions:UHM
Contributing projects:UNKNOWN
Platforms:NOI I KAI
Number of observations:
Supplementary information:REFERENCES:
Brock, R.R., and J.H. Brock. 1977. A method for quantitatively assessing the infaunal community in coral rock. Limnol. Oceanogr. 7:108-118.

Nelson, W.G. 1986. Benthic infaunal sampling in vicinity of the Sand Island Ocean Outfall, Oahu, Hawaii. Spec. Rep 6:20:86, Water Resources Research Center, University of Hawaii at Manoa, Honolulu, 117 pp.

Kay,E.A. 1980. Micromollusks: Techniques and patterns in benthic marine communities In Environmental Survey Techniques for Coastal Water Converence Proceedings, Water Resources Research Center and Sea Grant, University of Hawaii at Manoa, and Hawaii Water Pollut. Control Assoc., January, Honolulu, pp. 93-112.

Kay,E.A., and R. Kawamoto. 1983. Micromolluscan assemblages in Mamala Bay, Oahu 1974-1982. Tech Rep. No. 158, Water Resources Research Center, University of Hawaii at Manoa, Honolulu, 73 pp.
Saunders, H., R. Hessler, and G. Hampson. 1965. An introduction to the study of deep-sea benthic faunal assemblages along the Gay Head- Bermuda transect. Deep Sea Res. 12:845-867.

Swartz,R.C. 1978. Techniques for sampling and analyzing the marine benthos. Doc. No. 600/3-789-030, U.S. Environmental Protection Agency, Corvallis Environmental Research Laboratory, Corvallis, regon.

Swartz,R.C. and J.H.Bailey-Brock, W.J. Cook, E.A.Kay. 1999. Benthic faunal sampling adjacent to Sand Island ocean outfall, Oahu, Hawaii, August 1998. Project Report PR-99-10. Water Resources Research Center, University of Hawaii at Manoa, Honolulu, 172 pp.

U.S. Environmental Protection Agency. 1987a. Quality assurance and quality control for 301(h) monitoring programs: Guidance on field and laboratory methods. EPA 430/9-86-004, Office of Marine and Estuarine Protection, U.S. Environmental Protection Agency. 267 pp.

U.S. Environmental Protection Agency. 1987b. Recommended biological indices for 301(h) monitoring programs. EPA 430/9-86-002, Office of Marine and Estuarine Protection, U.S. Environmental Protection Agency. 17 pp.

Technical Reports of WRRC:

Project Report PR-2009-08 Benthic Faunal Sampling Adjacent to the Sand Island Ocean Outfall, O'ahu, Hawai'i, September 2008, William G. Ambrose, Jr., Julie H. Bailey-Brock, William J. Cooke, Regina K. Kawamoto, March 2009, xiv + 255 pp

Project Report PR-2008-09
Benthic Faunal Sampling Adjacent to the Sand Island Ocean Outfall, O'ahu, Hawai'i, August 2007 William G. Ambrose, Jr. Julie H. Bailey-Brock William J. Cooke E. Alison Kay, February 2008, xii + 279 pp.

Project Report PR-2007-06
Benthic Faunal Sampling Adjacent to Sand Island Ocean Outfall, Oahu, Hawaii, August 2006. Swartz, Richard C., Julie H. Bailey-Brock, E. Alison Kay, and Dean Pasko. February 2007. 267 pages.

Project Report PR-2006-05
Benthic Faunal Sampling Adjacent to Sand Island Ocean Outfall, O'ahu, Hawai'i, August 2005, Swartz, R.C., J.H. Bailey-Brock, W.J. Cooke, E.A. Kay, Mar 2006

Project Report PR-2005-07
Benthic Faunal Sampling Adjacent to Sand Island Ocean Outfall, O'ahu, Hawai'i, October 2004, Swartz, R.C., J.H. Bailey-Brock, W.J. Cooke, E.A. Kay, Mar 2003

Project Report PR-2003-04
Benthic Faunal Sampling Adjacent to Sand Island Ocean Outfall, O'ahu, Hawai'i, August 2002, Swartz, R.C., J.H. Bailey-Brock, W.J. Cooke, E.A. Kay, Mar 2003

Project Report PR-2001-08
Benthic faunal sampling adjacent to Sand Island Ocean Outfall, O'ahu, Hawai'i, August 2000, Swartz, Richard C., Julie H. Bailey - Brock, William J. Cooke, and E. Alison Kay, March 2001

Project Report PR-2000-06
Benthic faunal sampling adjacent to the Sand Island Ocean Outfall, Oahu, Hawaii, September-October 1999, Swartz, Richard C., March 2000

Project Report PR-98-08
Benthic faunal sampling adjacent to Sand Island Ocean Outfall, Oahu, Hawaii, August 1997, Swartz, Richard C., March 1998

Project Report PR-97-06
Benthic faunal sampling adjacent to Sand Island Ocean Outfall, Oahu, Hawaii, September 1996, Nelson, Walter G., March 1997

Project Report PR-96-07
Benthic faunal sampling adjacent to Sand Island Ocean Outfall, Oahu, Hawaii, August 1995, Nelson, Walter G., March 1996

Project Report PR-95-09
Benthic faunal sampling adjacent to Sand Island Ocean Outfall, Oahu, Hawaii, August 1994, Nelson, Walter G., February 1995

Project Report PR-94-13
Benthic faunal sampling adjacent to Sand Island Ocean Outfall, Oahu, Hawaii, August 1993, Nelson, Walter G., January 1994
Availability date:
Metadata version:9
Keydate:2002-11-19 19:40:22+00
Editdate:2012-04-11 14:38:51+00