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What does this data set describe?

Title:
Geophysical data of field activity P-3-83-AT in Atlantic Ocean from 06/26/1983 to 07/05/1983
Abstract:
Chief Scientist: Byron Ruppel. Geophysical data (bathymetry, gravity) of field activity P-3-83-AT in Atlantic Ocean from 06/26/1983 to 07/05/1983, <http://walrus.wr.usgs.gov/infobank/p/p383at/html/p-3-83-at.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity

Similar information is available for thousands of other USGS/CMG-related Activities.
If known, available are Activity-specific navigation, gravity, magnetics, bathymetry, seismic, and sampling data; track maps; and equipment information; as well as summary overviews, crew lists, and information about analog materials.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at: <http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Primary access to the USGS/CMG Information Bank's digital data, analog data, and metadata is provided through... <http://walrus.wr.usgs.gov/infobank/>
This page accomodates a variety of search approaches (e.g., by platform, by region, by scientist, by equipment type, etc.).
  1. How should this data set be cited?

    U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>, 20131029, Geophysical data of field activity P-3-83-AT in Atlantic Ocean from 06/26/1983 to 07/05/1983: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -81.04980
    East_Bounding_Coordinate: -80.13519
    North_Bounding_Coordinate: 29.88301
    South_Bounding_Coordinate: 28.28307

  3. What does it look like?

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

    Beginning_Date: 26-Jun-1983
    Ending_Date: 05-Jul-1983
    Currentness_Reference: ground condition

  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?

      Indirect_Spatial_Reference: Atlantic Ocean
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Point

    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 0.00001. Longitudes are given to the nearest 0.00001. 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 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.

      Vertical_Coordinate_System_Definition:
      Depth_System_Definition:
      Depth_Datum_Name: Local surface
      Depth_Resolution: 0.1
      Depth_Distance_Units: meters
      Depth_Encoding_Method: Attribute values


  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    Entity_and_Attribute_Overview:
    Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>


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?

    Byron Ruppel (Chief Scientist, USGS Western Region)

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

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>


Why was the data set created?

These data and information are intended for science researchers, students from elementary through college, policy makers, and general public.


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: 22-Jan-1996 (process 1 of 3)
    Navigation Data
    Converted to time format with year at start.
    
    02/25/86 BARB DUA0:[DATA.P283AT.N]P383AT.072;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 28-Oct-2008 (process 2 of 3)
    Gravity Data
    10/28/2008 carolyn p-3-83-at.151_072
    /infobank/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    02/26/86 BARB DUA0:[DATA.P283AT.G]P383ATM41.151;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    data is either from meter 41 or meter 26. data was unlabeled.
    
    Input was...
    Converted to time format with year at start.
    
    02/25/86 BARB DUA0:[DATA.P283AT.N]P383AT.072;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 31-Oct-1998 (process 3 of 3)
    Bathymetry Data
    10/31/1998  /tiger/p/p383at/bath/p-3-83-at.330_072
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    02/27/86 BARB DUA0:[DATA.P283AT.G]P383AT.330;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    02/25/86 BARB DUA0:[DATA.P283AT.N]P383AT.072;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

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

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Unknown, USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>: U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:


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

  1. How well have the observations been checked?

    Identified as best available version.

  2. How accurate are the geographic locations?

    Unspecified

  3. How accurate are the heights or depths?

    Unspecified

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

    Start and end date/times of data

    Navigation Data (p-3-83-at.072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198306260000410    198306260654180
    198306260716400    198306261330040
    198306292055250    198306292352110
    198306292357360    198306300118590
    198306300325080    198306301222230
    198306301229220    198307020159000
    198307020332440    198307021445060
    198307021451290    198307022009460
    198307022100000    198307022333030
    198307022341530    198307030245450
    198307030331440    198307031339520
    198307031629100    198307032055090
    198307032100530    198307032317080
    198307040024010    198307041354130
    198307041410350    198307041618260
    198307041731340    198307041938420
    198307041953380    198307050117390
    198307050146500    198307050353090
    198307050358460    198307050934480
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (p-3-83-at.151_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198306260001000    198306260019200
    198306260032200    198306260222000
    198306260252000    198306260442200
    198306260502400    198306260654200
    198306260724400    198306260908400
    198306260926200    198306261120200
    198306261141200    198306261331000
    198306292124400    198306292221000
    198306292235400    198306292340200
    198306300000000    198306300115000
    198306300330000    198306300504200
    198306300511200    198306300535000
    198306300547000    198306300828000
    198306300842200    198306300919000
    198306300941000    198306301231000
    198306301238200    198306301257000
    198306301322200    198306301449200
    198306301503000    198306301640000
    198306301656000    198306301833200
    198306301847000    198306302029200
    198306302040200    198306302223400
    198306302236200    198307010032200
    198307010044200    198307010240000
    198307010252400    198307010448200
    198307010503200    198307010715400
    198307010728200    198307010927400
    198307010944400    198307011207000
    198307011220200    198307011440400
    198307011452200    198307011730200
    198307011740000    198307012014000
    198307012024400    198307012307200
    198307012323200    198307020154200
    198307020337200    198307020629200
    198307020644000    198307020906400
    198307020919200    198307021209000
    198307021222200    198307021448400
    198307021501400    198307021736200
    198307021751400    198307022010200
    198307022104000    198307022334200
    198307022345200    198307030013400
    198307030023000    198307030248200
    198307030352200    198307030604000
    198307030617000    198307030840000
    198307030858000    198307031107400
    198307031120000    198307031341000
    198307031633200    198307031842000
    198307031856400    198307032054400
    198307032109200    198307032318200
    198307040029200    198307040311000
    198307040322400    198307040529000
    198307040541000    198307040741400
    198307040750400    198307040944000
    198307040954400    198307041154000
    198307041207400    198307041404200
    198307041431000    198307041621200
    198307041754000    198307041941000
    198307041958200    198307042138400
    198307042155200    198307042332400
    198307042348400    198307050118200
    198307050228200    198307050353400
    198307050437400    198307050934400
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (p-3-83-at.330_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198306260001000    198306261329000
    198306291911200    198306292217000
    198306292240400    198306300607200
    198306300619400    198306300723000
    198306300728400    198306300854400
    198306300902000    198306301754400
    198306301815400    198306301854400
    198306301906200    198306302143000
    198306302215200    198307010233000
    198307010254400    198307010612400
    198307010630000    198307010648200
    198307010739200    198307010757000
    198307010811200    198307011108200
    198307011123000    198307011141200
    198307011148200    198307011423000
    198307011430200    198307011715400
    198307011732400    198307030841200
    198307030847210    198307031341000
    198307031619400    198307032317000
    198307040000000    198307040247200
    198307040259200    198307040308200
    198307040319400    198307040736200
    198307040744200    198307041154200
    198307041206400    198307041614000
    198307041629400    198307041735200
    198307041750400    198307050056200
    198307050230000    198307050933200
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    

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

    Unspecified


How can someone get a copy of the data set?

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

Access_Constraints:
Physical materials are under controlled on-site access.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at: <http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Use_Constraints:
Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Physical materials are under controlled on-site access.
Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
This information is not intended for navigational purposes.
Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

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

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

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

    Downloadable Data P-3-83-AT data set <http://walrus.wr.usgs.gov/infobank/p/p383at/html/p-3-83-at.meta.html>

  3. What legal disclaimers am I supposed to read?

    Please recognize the U.S. Geological Survey (USGS) as the source of this information.
    Physical materials are under controlled on-site access.
    Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
    This information is not intended for navigational purposes.
    Any use of trade, firm, or product 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: ASCII Size: 1.6
Network links: <http://walrus.wr.usgs.gov/infobank/p/p383at/html/p-3-83-at.nav.html>

Data format: ASCII Size: 1.8
Network links: <http://walrus.wr.usgs.gov/infobank/p/p383at/html/p-3-83-at.grav.html>

Data format: ASCII Size: 1.5
Network links: <http://walrus.wr.usgs.gov/infobank/p/p383at/html/p-3-83-at.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-Oct-2013
    Metadata author:
    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Metadata standard:
    FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/> (FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>)


    Generated by mp version 2.9.13 on Tue Oct 29 14:50:29 2013