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What does this data set describe?

Title:
Geophysical data of field activity P-5-83-AT in Atlantic Ocean from 08/06/1983 to 08/24/1983
Abstract:
Chief Scientist: Byron Ruppel. Geophysical data (gravity, bathymetry) of field activity P-5-83-AT in Atlantic Ocean from 08/06/1983 to 08/24/1983, <http://walrus.wr.usgs.gov/infobank/p/p583at/html/p-5-83-at.meta.html>.
Supplemental_Information:

Equipment Used -
gravity
bathymetry

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-5-83-AT in Atlantic Ocean from 08/06/1983 to 08/24/1983: 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: -81.00030
    East_Bounding_Coordinate: -76.47049
    North_Bounding_Coordinate: 34.66150
    South_Bounding_Coordinate: 31.67547

  3. What does it look like?

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

    Beginning_Date: 06-Aug-1983
    Ending_Date: 24-Aug-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]P583AT.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-5-83-at.151_072
    /infobank/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    02/27/86 BARB DUA0:[DATA.P283AT.G]P583ATM26.151;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    data is either from meter 26 or meter 41. data was not labeled.
    
    Input was...
    Converted to time format with year at start.
    
    02/25/86 BARB DUA0:[DATA.P283AT.N]P583AT.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/p583at/bath/p-5-83-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]P583AT.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]P583AT.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-5-83-at.072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198308061053290    198308061328150
    198308061339580    198308061726460
    198308061734580    198308062238560
    198308062248440    198308070102480
    198308070110020    198308070417430
    198308070434330    198308071000290
    198308071008300    198308071947030
    198308081829530    198308082246110
    198308090037190    198308090416280
    198308090426140    198308090512550
    198308090605040    198308091239230
    198308091245280    198308091659570
    198308091723490    198308092023200
    198308092033170    198308100303260
    198308100316180    198308100804070
    198308100809570    198308101034140
    198308101311010    198308101835520
    198308101856460    198308110546360
    198308110551580    198308111139480
    198308111149570    198308112244350
    198308160022210    198308160157530
    198308160701160    198308161346470
    198308161409260    198308161626020
    198308161952120    198308162318160
    198308170059230    198308170640520
    198308171109430    198308171513420
    198308172236440    198308180157310
    198308180540250    198308180857310
    198308180907170    198308181502320
    198308181525440    198308182047480
    198308182102350    198308190229290
    198308190300520    198308190712000
    198308190722470    198308191003300
    198308191240050    198308191447190
    198308191613560    198308192232180
    198308200336500    198308201535430
    198308201543120    198308211404490
    198308211413130    198308212229360
    198308212325170    198308221046300
    198308221054170    198308221703010
    198308221712590    198308230015470
    198308230022220    198308230512020
    198308230652400    198308232344440
    198308240000410    198308240900460
    198308242345250    198308242359440
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (p-5-83-at.151_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198308061053400    198308061254400
    198308061300000    198308061326400
    198308061334000    198308062046400
    198308062054000    198308070317400
    198308070323000    198308071528400
    198308071541000    198308071949000
    198308080001000    198308080142400
    198308081706000    198308082248000
    198308090000200    198308090513400
    198308090520000    198308100318400
    198308100325000    198308110000400
    198308110006000    198308111732400
    198308111746000    198308112152500
    198308112232000    198308112246300
    198308160000200    198308160111200
    198308160154080    198308162321200
    198308170000200    198308192235400
    198308200000200    198308231239400
    198308231246000    198308232348000
    198308240000200    198308242359400
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (p-5-83-at.330_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198308061053400    198308061724000
    198308061800200    198308071945000
    198308081705000    198308082245000
    198308090000200    198308100800400
    198308100826400    198308101001000
    198308101024190    198308101847000
    198308101907400    198308110544400
    198308110630000    198308111719400
    198308111802200    198308112244200
    198308160000000    198308160111200
    198308160154080    198308161340400
    198308161355400    198308161430200
    198308161616400    198308162318000
    198308170000000    198308180644400
    198308180805200    198308181445400
    198308181545400    198308182051000
    198308182118400    198308190200200
    198308190311000    198308190717400
    198308190736400    198308191112400
    198308191255200    198308191440400
    198308191502000    198308191851000
    198308191909000    198308192232000
    198308200000000    198308200459400
    198308200607000    198308200930200
    198308200954000    198308201536000
    198308201626400    198308210452000
    198308210556000    198308212238200
    198308212314400    198308231239400
    198308231246000    198308232344400
    198308240000000    198308240900400
    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-5-83-AT data set <http://walrus.wr.usgs.gov/infobank/p/p583at/html/p-5-83-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: 3.1
Network links: <http://walrus.wr.usgs.gov/infobank/p/p583at/html/p-5-83-at.nav.html>

Data format: ASCII Size: 4.9
Network links: <http://walrus.wr.usgs.gov/infobank/p/p583at/html/p-5-83-at.grav.html>

Data format: ASCII Size: 3.3
Network links: <http://walrus.wr.usgs.gov/infobank/p/p583at/html/p-5-83-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 14:50:36 2013