Sediment Monitoring Adjacent to the Barbers Point Ocean Outfall, Oahu, Hawaii, 1986-2002 (NODC Accession 0000819)

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Frequently anticipated questions:


What does this data set describe?

Title:
Sediment Monitoring Adjacent to the Barbers Point Ocean Outfall, Oahu, Hawaii, 1986-2002 (NODC Accession 0000819)
Abstract:
Sediment in the vicinity of the Barbers Point (Honouliuli) ocean outfall were sampled from 1986-2002. To assess the environmental quality, sediment grain size and sediment chemistry were measured. 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.
Supplemental_Information:
Entry_ID Unknown Sensor_Name A van Veen grab sampler deployed from a stern-mounted Source_Name R/V Noi I Kai Project_Campaign: City and County of Honolulu Sewer Outfall Monitoring Originating_Center Environmental Quality Laboratory Storage_Medium Excel, ASCII Online_size: 253 kilobytes

Resource Description: NODC Accession Number 0000819

  1. How should this data set be cited?

    Ross S. Tanimoto Environmental Quality Laboratory, Department of Environmental Services, Rick Swartz Water Resources Research Center University of Hawaii, and James E.T. Moncur Water Resources Research Center University of Hawaii at Manoa, Unknown, Sediment Monitoring Adjacent to the Barbers Point Ocean Outfall, Oahu, Hawaii, 1986-2002 (NODC Accession 0000819): None None, unpublished material, unpublished material.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -158.05716
    East_Bounding_Coordinate: -157.99200
    North_Bounding_Coordinate: 21.2867
    South_Bounding_Coordinate: 21.26367

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 01-Jan-1986
    Beginning_Time: 0900
    Ending_Date: 31-Jan-2002
    Ending_Time: 1500
    Currentness_Reference: ground conditions

  5. What is the general form of this data set?

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

    2. What coordinate system is used to represent geographic features?

  7. How does the data set describe geographic features?


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Environmental Quality Laboratory, Department of Environmental Services, City and County of Honolulu and Water Resources Research Center University of Hawaii at Manoa

  3. To whom should users address questions about the data?

    NOAA/National Oceanographic Data Center
    NODC User Services Group Leader
    SSMC3 Fourth Floor
    Silver Spring, Maryland 20910-3282
    USA

    301-713-3277 (voice)
    301-713-3302 (FAX)
    services@nodc.noaa.gov

    Hours_of_Service: 8:00 a.m. to 4:00 p.m. Monday Through Friday
    Contact_Instructions: Phone/FAX/e-mail


Why was the data set created?

Assess benthic environmental quality in region of sewer outfall


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: unknown (process 1 of 1)
    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 8 cm and the maximum was 15 cm.

    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 PACE, Inc. Laboratory (Southern California).

    Person who carried out this activity:

    Environmental Quality Laboratory, Department of Environmental Services,
    Attn: Ross Tanimoto
    650 S. King Street
    Honolulu, Hawaii 96813
    USA

    808-527-6754 (voice)
    mba0026%cchnl@co.honolulu.hi.us

    Data sources used in this process:
    • Brock, R.R., and J.H. Brock. 1977. A method for quantitatively assessing the infaunal community in coral rock. Limnol. Oceanogr. 7:108-118. 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, Oregon. 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.

  3. What similar or related data should the user be aware of?


How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

  2. How accurate are the geographic locations?

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    none

  5. How consistent are the relationships among the observations, including topology?

    see methodology


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None
Use_Constraints: Dataset credit required

  1. Who distributes the data set? (Distributor 1 of 1)

    NOAA/NESDIS/National Oceanographic Data Center
    Attn: Data Access Group, User Services Team
    SSMC-3 Fourth Floor
    Silver Spring, MD 20910-3282
    USA

    301-713-3277 (voice)
    301-713-3302 (FAX)
    services@nodc.noaa.gov

    Hours_of_Service: 8am-5pm, Monday through Friday
  2. What's the catalog number I need to order this data set?

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA and NODC cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 08-Dec-2012
Last Reviewed: 05-Jan-2009
Metadata author:
Mr. Patrick C. Caldwell
NOAA/NESDIS/NODC/NCDDC
Hawaii/US Pacific Liaison
1000 Pope Road, MSB 316
Honolulu, Hawaii 96822
USA

(808)-956-4105 (voice)
(808) 956-2352 (FAX)
caldwell@hawaii.edu

Hours_of_Service: 8 AM to 5 PM weekdays
Contact_Instructions: check services@nodc.noaa.gov if not available
Metadata standard:
FGDC CSDGM (FGDC-STD-001-1998)


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