Marine sedimentological data for the inland waters of Washington state (Strait of Juan de Fuca and Puget Sound)

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Frequently-anticipated questions:

What does this data set describe?

Title:
Marine sedimentological data for the inland waters of Washington state (Strait of Juan de Fuca and Puget Sound)
Abstract:
The data presented in this report are the results of granulometric analyses, conducted in the Department of Oceanography, University of Washington, of the marine sediment samples from the Strait of Juan de Fuca - Puget Sound Region.
Supplemental_Information:
The results of granulometric analyses of those samples from the report area that have been published by the Institute of Oceanography, University of British Columbia (1962, 1963) have also been included. Data digitized by the USGS for inclusion into usSEABED (<http://walrus.wr.usgs.gov/usseabed>)
  1. How should this data set be cited?

    Roberts, Richard W. , 1974, Marine sedimentological data for the inland waters of Washington state (Strait of Juan de Fuca and Puget Sound): Special Report No. 56, University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography National Science Foundation Grant GA 28367 A#2 Reference: M74-74

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -124.838
    East_Bounding_Coordinate: -122.130
    North_Bounding_Coordinate: 48.998
    South_Bounding_Coordinate: 47.087

  3. What does it look like?

    SpecRep56 (JPG)
    Screen grab of GIS-produced sample distribution, with bathymetry and land for reference.

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

    Beginning_Date: 1950
    Ending_Date: 1973
    Currentness_Reference: Publication date

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

    Geospatial_Data_Presentation_Form: paper

  6. How does the data set represent geographic features?

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

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • Point (957)

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

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.00028. Longitudes are given to the nearest 0.00028. Latitude and longitude values are specified in Decimal degrees.

  7. How does the data set describe geographic features?

    Point
    SDTS point (Source: Source report)

    Sample number
    Sample number (Source: University of Washington)

    Alpha numeric number based on cruise and core information

    Gravel
    Amount of gravel in sample (Source: Wentworth, 1938)

    Range of values
    Minimum:0
    Maximum:99.99
    Units:Percent
    Resolution:0.01

    Sand
    Amount of sand in sample (Source: Wentworth, 1938)

    Range of values
    Minimum:0
    Maximum:99.99
    Units:Percent
    Resolution:0.01

    Silt
    Amount of silt in sample (Source: Wentworth, 1938)

    Range of values
    Minimum:0
    Maximum:91.13
    Units:Percent
    Resolution:0.01

    Clay
    Amount of clay in sample (Source: Wentworth, 1938)

    Range of values
    Minimum:0
    Maximum:76.52
    Units:Percent
    Resolution:0.01

    Sand/mud ratio
    Sand/mud ratio (Source: Source report)

    Range of values
    Minimum:0.01
    Maximum:99.99
    Units:Unitless
    Resolution:0.01

    Mean
    Mean grainsize (Source: Inman, 1952)

    Range of values
    Minimum:-6.59
    Maximum:10.71
    Units:Phi
    Resolution:0.001

    Standard deviation
    Standard deviation of grain-size distribution (sorting) (Source: Inman 1952)

    Range of values
    Minimum:0.03
    Maximum:6.15
    Units:Phi
    Resolution:0.01

    Skewness (first)
    First skewness of grain-size distribution (Source: Inman, 1952)

    Range of values
    Minimum:-0.89
    Maximum:0.83
    Units:Unitless
    Resolution:0.01

    Kurtosis
    Kurtosis of grain-size distribution (Source: Inman, 1952)

    Range of values
    Minimum:0.18
    Maximum:386
    Units:Unitless
    Resolution:0.01

    50th percentile (median)
    50th percentile (median) of grainsize (Source: Source report)

    Range of values
    Minimum:-6.52
    Maximum:9
    Units:Phi
    Resolution:0.01

    10th percentile
    10th percentile (median) of grainsize (Source: Source report)

    Range of values
    Minimum:-7.98
    Maximum:9
    Units:Phi
    Resolution:0.01

    XID
    Extra identification codes and sampling devices (Source: Source report)

    ValueDefinition
    DAADredge
    W-AGrab sampler
    GAAGravity corer
    PAAPiston Corer
    HAACollected by Hand
    MAAMultiple gravity corer

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?

    Richard W. Roberts at the University of Washington for the collection and analysis of data. For inclusion into usSEABED: digitization: Mark Zimmermann, (NMFS) and K. Halimeda Kilbourne, (USGS); Formatting corrections: Jane Reid (USGS) and Chris Jenkins (University of Colorado)

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

    University of Washington
    P.O. Box 357940
    Seattle, WA 98195

    206-543-5060 (voice)

Why was the data set created?

No specific purpose is expressed in the report

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)
    Generally, the gravel- and sand-size fractions were analyzed using standard sieving techniques and the silt- and cly-size fractions were analyzed using standard pipetting techniques (Krumbein and Pettijohn, 1938). However, the sand-size fraction for a number of samples in the STrait of Juan de Fuca was analyzed using a settling tube (Anderson, 1967). For the IOUBC samples, analysis of the coarse fraction was by sieving and of the fine fraction by the hydrometer method.

    Person who carried out this activity:

    University of Washington
    P.O. Box 357940
    Seattle, WA 98195

    206-543-5060 (voice)

    Data sources used in this process:
    • Anderson, 1967
    • Krumbein and Pettijohn, 1938

    Data sources produced in this process:

    • SpecRep56

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

    Anderson, F.E., 1967, Stratigraphy of late Pleistocene and Holocene Sediments from the Strait of Juan de Fuca: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography PhD. dissertation, 168p
    Anderson, F.E., 1968, Seaward terminus of the Vashon continental glacier in the Strait of Juan de Fuca: Marine Geology v. 6, pp. 417-438, Elsevier, New York.

    Brundage, W.L., 1961, Recent sediments of the Nisqually River delta, Puget Sound, Washington: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography Master's thesis, 178p.
    Burns, R.E., 1962, A model of sedimentation in small sill-less embayed estuaries of the Pacific northwest.: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography PhD. dissertation, 177p.
    Guclear, S.M., 1962, Recent sediments in the Saanich Inlet, British Columbia: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography Master's thesis, 119p
    IOUBC, 1962, Sediment grain size analysis: Data Report No. 20, University of British Columbia, Vancouver, British Columbia.

    IOUBC, 1962, Sediment grain size analysis: Data Report No. 22, University of British Columbia, Vancouver, British Columbia.

    Lie, U., 1968, A quantitative study of benthic infauna in Puget Sound, Washington, U.S.A. in 1963-1964: Fisk. Dir. Skr (Ser. Havunders) v. 14, pp. 229-556, Unknown, Unknown.

    Lie, U., 1969, Cumacea from Puget Sound and of the northwestern coast of Washington with descriptions of two new species.: Crustaceana v. 17, part 1. pp. 19-30, Brill Academic Publishers, Plantijnstraat, the Netherlands.

    Lie, U., 1969, Standing crop of benthic infauna in Puget Sound and of the Coast of Washington: J. Fish. Res. Bd. Canada v. 26, pp. 55-62, Find out, Find out.

    Nichols, F.H., 1968, A quantitative study of benthic polychaete assemblages in Port Madison, Washington.: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography Masters Thesis, 78p
    Nichols, F.H., 1972, Carbon and energy flow through populations of a numerically dominant macroinvertebrate, Pectinaria Califoriensis Hartman, in Puget Sound, Washington with reference to larger, rarer co-existing species: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography PhD. dissertation, 164p
    Sternberg, R.W., 1961, Recent sediments in Bellingham Bay: University of Washington, Seattle, WA.

    Sternberg, R.W., 1968, Friction factors in tidal channels with differing bed roughness: Marine Geology v. 66, pp. 243-260, Elsevier, New York, NY.

    Other_Citation_Details:
    Department of Oceanography Masters thesis 183p
    Sternberg, R.W., and Collias, E.E., 1973, Deposition of dredge spoils in Dana Passage, Washington: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Report submitted to the State of Washington Department of Fisheries
    Wang, Feng-Hui, 1955, Recent sediments in Puget Sound and portions of Lake Washington: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography PhD. dissertation 160p
    Woodin, S.A., 1972, Polychaete abundance patterns in a marine soft sediment environment: The importance of biological interactions: University of Washington, Seattle, WA.

    Other_Citation_Details:
    Department of Oceanography PhD. dissertation

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

  1. How well have the observations been checked?

    No estimate made for the accuracy of the data in the original report. Data digitized by the USGS and partners were visually compared to the source data, and corrected. Where appropriate, data were tested for completeness using MS Excel. Locations checked using GIS.

  2. How accurate are the geographic locations?

    Navigational techniques not recorded in report; latitudes and longitudes given in degrees, tenths, minutes.

  3. How accurate are the heights or depths?

    Water depth determination technique not noted in report. Water depths given in meters.

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

    Table 4 (granulometric data) completely digitized; table 5 (size class weight data) not digitized.

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

    Data fall within normal ranges for the given parameters.

How can someone get a copy of the data set?

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

Access_Constraints:
Report are available at libraries and the University of Washington
Use_Constraints:
Cite Richard W. Roberts and the University of Washington as originators of the data.

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

    University of Washington
    P.O. Box 357940
    Seattle, WA 98195

    206-543-5060 (voice)

  2. What's the catalog number I need to order this data set?

    Department of Oceanography Special Report 56

  3. What legal disclaimers am I supposed to read?

    Although this dataset has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data. Users of the data should be aware of limitations of the data due to possible imprecision due to navigational inaccuracies and limitations of the statistical data.

  4. How can I download or order the data?

  5. What hardware or software do I need in order to use the data set?

    None

Who wrote the metadata?

Dates:
Last modified: 2005
Metadata author:
U.S. Geological Survey
c/o Jane A. Reid
Geologist
400 Natural Bridges Drive
Santa Cruz, CA 95060

831-427-4727 (voice)
jareid@usgs.gov

Contact_Instructions: Email preferred
Metadata standard:
CSDGM Version 2 (FGDC-STD-001-1998)

Generated by mp version 2.8.17 on Sat May 20 21:15:48 2006