Ship's log recorded during U.S. Geological Survey field activity 2012-005-FA conducted in Baltimore, Washington, and Norfolk Canyons in a Microsoft Excel 2010 spreadsheet format

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Frequently anticipated questions:

What does this data set describe?

Title:
Ship's log recorded during U.S. Geological Survey field activity 2012-005-FA conducted in Baltimore, Washington, and Norfolk Canyons in a Microsoft Excel 2010 spreadsheet format
Abstract:
A large number of high-resolution geophysical surveys between Cape Hatteras and Georges Bank have been conducted by federal, state, and academic institutions since the turn of the century. A major goal of these surveys is providing a continuous view of bathymetry and shallow stratigraphy at the shelf edge in order to assess levels of geological activity during the current sea level highstand. In 2012, chirp seismic-reflection data was collected by the U.S. Geologial Survey aboard the motor vessel Tiki XIV near three United States mid-Atlantic margin submarine canyons. These data can be used to further our understanding of passive continental margin processes during the Holocene, as well as providing valuable information regarding potential submarine geohazards. For more information on the U.S. Geological Survey involvement in this effort, see https://cmgds.marine.usgs.gov/fan_info.php?fan=2012-005-FA.
  1. How might this data set be cited?
    U.S. Geological Survey, 2014, Ship's log recorded during U.S. Geological Survey field activity 2012-005-FA conducted in Baltimore, Washington, and Norfolk Canyons in a Microsoft Excel 2010 spreadsheet format: Open-File Report 2014-1118, U.S. Geological Survey, Coastal and Marine Geology Program, Woods Hole Coastal and Marine Science Center, Woods Hole, Massachusetts.

    Online Links:

    This is part of the following larger work.

    Obelcz, Jeffrey, Brothers, Daniel S., Uri S. ten Brink, Chaytor, Jason D., Worley, Charles R., and Moore, Eric M., 2014, Chirp Seismic-Reflection Data From the Baltimore, Washington, and Norfolk Canyons, U.S. Mid-Atlantic Margin: Open-File Report 2014-1118, U.S. Geological Survey, Reston, Virginia.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -75.437574445
    East_Bounding_Coordinate: -73.100825555
    North_Bounding_Coordinate: 38.39222655
    South_Bounding_Coordinate: 36.9371344
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 22-May-2012
    Beginning_Time: 2100
    Ending_Date: 27-May-2012
    Ending_Time: 2355
    Currentness_Reference:
    ground condiition
  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)
    • U.S. Geological Survey
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    Jeffrey Obelcz
    U.S. Geological Survey
    Geologist
    384 Woods Hole Road
    Woods Hole, MA
    USA

    508-548-8700 x. 2245 (voice)
    508-457-2310 (FAX)
    jobelcz@usgs.gov

Why was the data set created?

To provide a log detailing the acquisition of data by the U.S. Geological Survey during the 2012 chirp survey of Baltimore, Washington, and Norfolk Canyons aboard the M/V Tiki XIV. This includes details on missing files, as well as which HYPACK files correspond to which chirp SEG-Y files.

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: 2012 (process 1 of 4)
    Ship's log was unmodified after being transferred from survey hard disk to permanent storage. Person who carried out this activity:
    Jeffrey Obelcz
    U.S. Geological Survey
    Geologist
    384 Woods Hole Road
    Woods Hole, MA
    USA

    508-548-8700 x. 2245 (voice)
    508-457-2310 (FAX)
    jobelcz@usgs.gov
    Date: 04-Oct-2017 (process 2 of 4)
    Edits to the metadata were made to fix any errors that MP v 2.9.36 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.). Added the DOI link as the first link in the identification section. The link to the data in the Identification_Information section had to be fixed. The link to the data in the Distribution_Information section had to be fixed. Updated the link to the field activity. 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 Road
    Woods Hole, MA

    508-548-8700 x2251 (voice)
    508-457-2310 (FAX)
    vatnipp@usgs.gov
    Date: 20-Jul-2018 (process 3 of 4)
    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: 08-Sep-2020 (process 4 of 4)
    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?

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?
    This file represents all notes recorded during the USGS survey 2012-005-FA (which may also be referred to in the old field activity number style as 12005). This is a Microsoft Excel spreadsheet for survey data that was released in USGS Open-File Report (number placeholder) from Baltimore, Washington, and Norfolk Canyons.
  5. How consistent are the relationships among the observations, including topology?
    This is the original ship's log recorded by watchstanders during the survey 2012-005-FA. These notes were checked but no modifications or corrections have been made to this file.

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 as the source of this information.
  1. Who distributes the data set? (Distributor 1 of 1)
    Jeffrey Obelcz
    U.S. Geological Survey
    Geologist
    384 Woods Hole Road
    Woods Hole, MA
    USA

    508-548-8700 x. 2245 (voice)
    jobelcz@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?
    Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. 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?
  5. What hardware or software do I need in order to use the data set?
    These data are available as a Microsoft Excel spreadsheet (.xlsx). To utilize these data, the user must have software capable of viewing Excel format spreadsheets, such as MS Office (2007 or higher) or OpenOffice (free for download at <http://www.openoffice.org/>.

Who wrote the metadata?

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

508-457-2245 (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/ofr2014-1118/ship_logmeta.faq.html>
Generated by mp version 2.9.50 on Tue Nov 16 10:06:51 2021