USGS Cruise 96005 Sidescan Sonar Data Files

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Frequently anticipated questions:

What does this data set describe?

Title: USGS Cruise 96005 Sidescan Sonar Data Files
This CD-ROM contains copies of the navigation and field sidescan sonar data collected during USGS Cruise 96005, conducted during 1 -14 June, 1996. The cruise was a collaborative field program between researchers at Coastal Carolina University and the USGS, Coastal and Marine Geology Program, Woods Hole Field Center. The CD-ROM was produced in accordance with the ISO 9660 standard. An area 3 to 15 meters was surveyed using an 100 kHz sidescan-sonar system and tracklines are spaced so that data coverages overlap and can be assembled into arial mosaics. HTML files enable access using www browsers.
For more information on the field activity associated with these data, see
  1. How might this data set be cited?
    U.S. Geological Survey, 1999, USGS Cruise 96005 Sidescan Sonar Data Files: Open-File Report 98-798, U.S. Geological Survey, Coastal and Marine Hazards and Resources Program, Woods Hole Coastal and Marine Science Center, Woods Hole, MA.

    Online Links:

    This is part of the following larger work.

    Williams, G.F., Schwab, W.C., and Danforth, W.W., 1999, Archive of the ISIS Sidescan Sonar and DGPS Navigation Field Data Collected on USGS Cruise 96005 1-14 June, 1996: Open-File Report 98-798, U.S. Geological Survey, Reston, VA.

    Online Links:

    Suggested citation: Williams, G.F., Schwab, W.C., and Danforth, W.W., 1999, Archive of the ISIS sidescan sonar and DGPS navigation field data collected on USGS cruise 96005, 1-14 June, 1996: U.S. Geological Survey Open-File Report 98-798,
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -79.9333
    East_Bounding_Coordinate: -79.8000
    North_Bounding_Coordinate: 32.7167
    South_Bounding_Coordinate: 32.5833
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 01-Jun-1996
    Ending_Date: 14-Jun-1996
    ground condition
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: remote-sensing data archive
  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?
      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257222101.
  7. How does the data set describe geographic features?
    Entity_and_Attribute_Overview: 8-bit pixels represent brightness values 0 -255
    Entity_and_Attribute_Detail_Citation: None

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • U.S. Geological Survey
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    USGS, Woods Hole Field Center
    Attn: Bill Schwab
    384 Woods Hole Road
    Woods Hole, MA

    (508) 457-2299 (voice)
    (508) 457-2310 (FAX)

Why was the data set created?

Image shoreface and inner shelf off Folly Beach, SC

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: 1996 (process 1 of 2)
    All data were collected with a range of 100 m per side. All times are recorded in Universal Time Coordinated (UTC).
    Date: 30-Sep-2021 (process 2 of 2)
    The metadata from the Open-File report was edited to remove errors as well as update some information. Edits include updating the citation section with the OFR information, fixed the time period of content to cruise dates, added supplemental information with link to the field activity page on CMGDS, added the USGS Thesaurus and ISO 19115 Topic Category thesaurus, added keywords section with USGS persistent identifier as theme keyword, removed browse graphic section – since there isn’t one included in the report (information was pointing users to an obsolete system), removed empty source information in the lineage section, filled out the blank field for the NAD83 horizontal coordinate system, used a generic email address in metadata, updated digital transfer information, replaced distribution liability with FSP statement, replaced the first process step of “unknown” with cruise information. Other blank fields were deleted. The metadata date (19981116), but not the contact (except email) was updated. Those edits were performed 20210816. The metadata available from a harvester may supersede metadata available from the publication. Compare the metadata dates to determine which metadata file is most recent. Modified the originator from: United States Geological Survey (USGS) Coastal and Marine Geology Program Woods Hole Field Center (WHFC) 384 Woods Hole Road Woods Hole, MA 02543-1598 to U.S. Geological Survey. Also modified the metadata contact organization to the same value (20210930). 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)
  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 meters
  3. How accurate are the heights or depths?
    +-3 meters
  4. Where are the gaps in the data? What is missing?
  5. How consistent are the relationships among the observations, including topology?

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: None
None. The United States Geological Survey (USGS), Coastal and Marine Geology Program, Woods Hole Field Center (WHFC) asks to be credited in derived products.
  1. Who distributes the data set? (Distributor 1 of 1)
    USGS, Woods Hole Field Center
    Attn: Bill Schwab
    384 Woods Hole Road
    Woods Hole, MA

    (508) 457-2299 (voice)
    (508) 457-2310 (FAX)
  2. What's the catalog number I need to order this data set? None
  3. What legal disclaimers am I supposed to read?
    Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty.
  4. How can I download or order the data?
    • Availability in digital form:
      Data format: ISIS DAT files
      Network links:
      Media you can order: CD-ROM (format ISO 9660)
    • Cost to order the data: Contact USGS for more information.

Who wrote the metadata?

Last modified: 30-Sep-2021
Metadata author:
U.S. Geological Survey
Attn: Chris Polloni
384 Woods Hole Road
Woods Hole, MA

(508) 457-2280 (voice)
The metadata contact email address is a generic address to replace that of who is no longer with the USGS.
Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (June 8, 1994)

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