Sediment Data from off New Hampshire (WARD01 shapefile)

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Frequently anticipated questions:

What does this data set describe?

Title: Sediment Data from off New Hampshire (WARD01 shapefile)
Abstract:
The sediment data contained in this set were produced as part of the site description and monitoring phases of an aquaculture demonstration project. The site is located off the coast of New Hampshire in the Gulf of Maine.
  1. How might this data set be cited?
    Poppe, Lawrence J., 2003, Sediment Data from off New Hampshire (WARD01 shapefile): Open-File Report 03-001, U. S. Geological Survey, Coastal and Marine Geology Program, Woods Hole Coastal and Marine Science Center, Woods Hole, MA.

    Online Links:

    This is part of the following larger work.

    Poppe, L.J., Paskevich, V.F., Williams, S.J., Hastings, M.E., Kelley, J.T., Belknap, D.F., Ward, L.G., Fitzgerald, D.M., and Larsen, P.F., 2003, Surficial Sediment Data from the Gulf of Maine, Georges Bank, and vicinity: a GIS Compilation: Open-File Report 03-001, U. S. Geological Survey, Reston, VA.

    Online Links:

    Other_Citation_Details: 1 CD-ROM
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -70.701000
    East_Bounding_Coordinate: -70.536483
    North_Bounding_Coordinate: 43.076667
    South_Bounding_Coordinate: 42.918333
  3. What does it look like?
    http://pubs.usgs.gov/of/2003/of03-001/data/seddata/ward01/ward01-thumb.gif (GIF)
    Thumbnail image showing extent and distribution of data layer coverage.
    http://pubs.usgs.gov/of/2003/of03-001/data/seddata/ward01/ward01.gif (GIF)
    Image map showing extent and distribution of data layer coverage.
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 21-Oct-1997
    Ending_Date: 19-Jul-2002
    Currentness_Reference:
    ground condition
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: vector digital data
  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):
      • Entity point (199)
    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 0.000001. Longitudes are given to the nearest 0.000001. Latitude and longitude values are specified in Decimal degrees. The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.400000.
      The flattening of the ellipsoid used is 1/294.978698.
  7. How does the data set describe geographic features?
    ward01.dbf
    Shapefile Attribute Table (Source: ESRI)
    FID
    Internal feature number. (Source: ESRI) Sequential unique whole numbers that are automatically generated.
    Shape
    Feature geometry. (Source: ESRI) Coordinates defining the features.
    PROJECTID
    Name used to designate this data set (Source: Compiler)
    ValueDefinition
    WARDETAL01Information unavailable from original metadata.
    DATE
    Date sample was collected (Source: Scientist) Day/month/year when samples were collected
    STATION
    Name used to designate sampling locations (Source: Scientist) Station Names
    DEVICE
    Devie used to collect samples (Source: Scientist) Equipment used to collect samples
    T_DEPTH
    Top depth of sampling interval in cores (Source: Scientist)
    Range of values
    Minimum:2
    Maximum:92
    Units:centimeters
    Resolution:1
    B_DEPTH
    Bottom depth of sampling interval in cores (Source: Scientist)
    Range of values
    Minimum:4
    Maximum:94
    Units:centimeters
    Resolution:1
    DEPTH_M
    Water depth (Source: Scientist)
    Range of values
    Minimum:17
    Maximum:74
    Units:meters
    Resolution:0.1
    LATITUDE
    Latitude coordinate of sample location (Source: Scientist)
    Range of values
    Minimum:42.918333
    Maximum:43.076667
    Units:decimal degrees
    Resolution:0.000001
    LONGITUDE
    Longitude coordinate of sample location (Source: Scientist)
    Range of values
    Minimum:-70.701000
    Maximum:-70.536483
    Units:decimal degrees
    Resolution:0.000001
    FOLK_GSM
    Textural classification based on a gravel, sand, mud triangular diagram of Folk (1974) (Source: Scientist) Verbal sediment classification
    FOLK_SZC
    Textural classification based on a sand, silt, clay triangular diagram of Folk (1974) (Source: Scientist) Verbal sediment classification
    SHEPARD_SZ
    Textural classification based on a sand, silt, clay triangular diagram devised by Shepard (1954) (Source: Scientist) Verbal sediment classification
    SEDCLASS
    Textural classification based on a sand, silt, clay triangular diagram devised by Shepard (1954) and modified by Schlee (1973) (Source: Compiler) Verbal sediment classification
    GRAVEL
    Percentage of gravel in sample (Source: Scientist)
    Range of values
    Minimum:0
    Maximum:98
    Units:percent
    Resolution:1
    SAND
    Percentage of sand in sample (Source: Scientist)
    Range of values
    Minimum:1
    Maximum:93
    Units:percent
    Resolution:1
    MUD
    Silt plus clay in sample (Source: Scientist)
    Range of values
    Minimum:1
    Maximum:86
    Units:percent
    Resolution:1
    SILT
    Percentage of silt in sample (Source: Scientist)
    Range of values
    Minimum:2
    Maximum:60
    Units:percent
    Resolution:1
    CLAY
    Percentage of clay in sample (Source: Scientist)
    Range of values
    Minimum:1
    Maximum:30
    Units:percent
    Resolution:1
    MEAN
    Mean of the size distribution (Source: Scientist)
    Range of values
    Minimum:-4.03
    Maximum:6.77
    Units:phi
    Resolution:0.01
    STDEV
    Standard deviation of the size distribution (Source: Scientist)
    Range of values
    Minimum:0.56
    Maximum:4.28
    Units:phi
    Resolution:0.01
    SKEWNESS
    Skewness of the size distribution (Source: Scientist)
    Range of values
    Minimum:-2.29
    Maximum:0.89
    Resolution:0.01
    KURTOSIS
    Krtosis of the size distribution (Source: Scientist)
    Range of values
    Minimum:0.64
    Maximum:8.81
    Resolution:0.01
    LOI
    Percent weight loss on ignition (Source: Scientist)
    Range of values
    Minimum:0.7
    Maximum:5.3
    Units:percent
    Resolution:0.1
    COMMENTS
    Comments on sampling (Source: Scientist) Character string of width 54.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Lawrence J. Poppe
  2. Who also contributed to the data set?
    Please review the cross reference information for the original data set credit to Ward and others (2001), and Larry Poppe for creating this ArcView shapefile.
  3. To whom should users address questions about the data?
    Lawrence J. Poppe
    U.S. Geological Survey
    Geologist
    384 Woods Hole Road
    Woods Hole, MA
    USA

    (508) 548-8700 x2314 (voice)
    (508) 457-2310 (FAX)
    lpoppe@usgs.gov

Why was the data set created?

The purpose of this data layer is to make available a subset of a data set produced by Larry Ward and others at the University of New Hampshire. This data layer contains information for those samples with raw grain size data which are located on the inner continental shelf from off New Hampshire, Gulf of Maine.

How was the data set created?

  1. From what previous works were the data drawn?
    Information unavailable from original metadata. (source 1 of 1)
    Ward, L.G., Grizzle, R.E., Bub, F.L., Langan, R., Schnaittacher, G., and Dijkstra, J.A., 2001, University of New Hampshire Open Ocean Aquaculture Demonstration Project: Site Description and Environmental Monitoring, Report on Activities from Fall 1997 to Winter 2000: NOAA/UNH Cooperative Institute for New England Mariculture and Fisheries (CINEMAR) Report UNH CMB/JEL Report Series, Number 55, University of New Hampshire, Durham, NH.

    Type_of_Source_Media: Excel File
    Source_Contribution: Information unavailable from original metadata.
  2. How were the data generated, processed, and modified?
    Date: 15-Jan-2003 (process 1 of 5)
    Textural and lithologic data from off New Hampshire were reorganized in Excel and exported to an ASCII file. Stations and sediment data were imported from the ASCII text file to an ArcView table. The table was later converted to an event theme and saved as the final shapefile. Person who carried out this activity:
    Lawrence J. Poppe
    U.S. Geological Survey
    Geologist
    384 Woods Hole Road
    Woods Hole, MA
    USA

    (508) 548-8700 x2314 (voice)
    (508) 457-2310 (FAX)
    lpoppe@usgs.gov
    Data sources used in this process:
    • ward01.txt
    Data sources produced in this process:
    • ward01.shp
    • ward01.dbf
    • ward01.shx
    Date: 02-Dec-2015 (process 2 of 5)
    Edits to the metadata were made to fix any errors that MP v 2.9.32 flagged. This is necessary to enable the metadata to be successfully harvested for various data catalogs. In some cases, this meant adding text "Information unavailable" or "Information unavailable from original metadata" for those required fields that were left blank. Other minor edits were probably performed (title, publisher, publication place, etc.). The metadata date (but not the metadata creator) was edited to reflect the date of these changes. The metadata available from a harvester may supersede metadata bundled within a download file. Compare the metadata dates to determine which metadata file is most recent. Person who carried out this activity:
    U.S. Geological Survey
    Attn: VeeAnn A. Cross
    Marine Geologist
    384 Woods Hole Rd.
    Woods Hole, MA

    508-548-8700 x2251 (voice)
    508-457-2310 (FAX)
    vatnipp@usgs.gov
    Date: 20-Jul-2018 (process 3 of 5)
    USGS Thesaurus keywords added to the keyword section. Person who carried out this activity:
    U.S. Geological Survey
    Attn: VeeAnn A. Cross
    Marine Geologist
    384 Woods Hole Road
    Woods Hole, MA

    508-548-8700 x2251 (voice)
    508-457-2310 (FAX)
    vatnipp@usgs.gov
    Date: 18-Nov-2019 (process 4 of 5)
    Crossref DOI link was added as the first link in the metadata. Person who carried out this activity:
    U.S. Geological Survey
    Attn: VeeAnn A. Cross
    Marine Geologist
    384 Woods Hole Road
    Woods Hole, MA

    508-548-8700 x2251 (voice)
    508-457-2310 (FAX)
    vatnipp@usgs.gov
    Date: 08-Sep-2020 (process 5 of 5)
    Added keywords section with USGS persistent identifier as theme keyword. Person who carried out this activity:
    U.S. Geological Survey
    Attn: VeeAnn A. Cross
    Marine Geologist
    384 Woods Hole Road
    Woods Hole, MA

    508-548-8700 x2251 (voice)
    508-457-2310 (FAX)
    vatnipp@usgs.gov
  3. What similar or related data should the user be aware of?
    Ward, L.G., Grizzle, R.E., Bub, F.L., Langan, R., Schnaittacher, G., and Dijkstra, J.A., 2001, University of New Hampshire Open Ocean Aquaculture Demonstration Project: Site Description and Environmental Monitoring, Report on Activities from Fall 1997 to Winter 2000: NOAA/UNH Cooperative Institute for New England Mariculture and Fisheries (CINEMAR) Report UNH CMB/JEL Report Series, Number 55, University of New Hampshire, Durham, New Hampshire.

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

  1. How well have the observations been checked?
    All attribute were checked by the compilers in a consistent manner.
  2. How accurate are the geographic locations?
    Navigation was done with differential GPS (+/- 10 m)
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
    Sample locations, grain-size data, textural classifications, and sample identifiers are provided for 199 records
  5. How consistent are the relationships among the observations, including topology?
    No additional checks for topological consistency were performed on this data.

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:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information.
  1. Who distributes the data set? (Distributor 1 of 1)
    Lawrence J. Poppe
    U.S. Geological Survey
    Geologist
    384 Woods Hole Road
    Woods Hole, MA
    USA

    (508) 548-8700 x2314 (voice)
    (508) 457-2310 (FAX)
    lpoppe@usgs.gov
  2. What's the catalog number I need to order this data set? Downloadable Data
  3. What legal disclaimers am I supposed to read?
    Although these data have been used by the U.S. Geological Survey (USGS), U.S. Department of the Interior (DOI), no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
  4. How can I download or order the data?
    • Availability in digital form:
      Data format: Five files (ward01.shp, ward01.dbf, ward01.shx, ward01.sbx, ward01.sbn) comprising the ArcView point shapefile components, 'prj' and 'avl' files, metadata text file and browse graphic. in format SHP (version 3.2) ESRI point shapefile Size: 0.1
      Network links: http://pubs.usgs.gov/of/2003/of03-001/data/seddata/ward01/ward01.zip
      Media you can order: CD-ROM (Density 650 Mbytes) (format ISO 9660)
      Note: The user must have a computer system with a CD-ROM available. To browse the information contained on this CD-ROM, the user must have a current WWW browser available. The user must also have software installed on their computer to unzip the archived file.
    • Cost to order the data: None

  5. What hardware or software do I need in order to use the data set?
    These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing the data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.

Who wrote the metadata?

Dates:
Last modified: 16-Nov-2021
Metadata author:
Lawrence J. Poppe
U.S. Geological Survey
Geologist
384 Woods Hole Road
Woods Hole, MA
USA

(508) 548-8700 x2314 (voice)
(508) 457-2310 (FAX)
whsc_data_contact@usgs.gov
Contact_Instructions:
The metadata contact email address is a generic address in the event the metadata contact is no longer with the USGS or the email is otherwise invalid.
Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)
This page is <https://cmgds.marine.usgs.gov/catalog/whcmsc/open_file_report/ofr2003-001/ward01.shp.faq.html>
Generated by mp version 2.9.50 on Tue Nov 16 10:06:29 2021