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What does this data set describe?

Title:
Geophysical data of field activity U-1-76-NP in Northern Pacific from 05/05/1976 to 05/25/1976
Abstract:
Geophysical data (bathymetry, gravity, magnetics) of field activity U-1-76-NP in Northern Pacific from 05/05/1976 to 05/25/1976, <http://walrus.wr.usgs.gov/infobank/u/u176np/html/u-1-76-np.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
magnetics

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/>, 20131030, Geophysical data of field activity U-1-76-NP in Northern Pacific from 05/05/1976 to 05/25/1976: 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: 143.00166
    East_Bounding_Coordinate: 144.49333
    North_Bounding_Coordinate: 41.99833
    South_Bounding_Coordinate: 40.08667

  3. What does it look like?

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

    Beginning_Date: 05-May-1976
    Ending_Date: 25-May-1976
    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: Northern Pacific
      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:
    Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.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?

  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: 15-Dec-1995 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.050;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    

    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 2 of 4)
    Gravity Data
    10/31/1998  /tiger/u/u176np/grav/u-1-76-np.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.160;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.050;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    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: 20-Jun-2012 (process 3 of 4)
    Magnetics Data
    06/20/2012 carolyn u-1-76-np.221_050
    
    Reprocessed using subroutines from Susan Macmillan's
    IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
    with IGRF-11 coeffiecients integrated into the source code.
    /infobank/programs/mag/magred1111/magred1111.for
    Using geodetic coordinate system (Earth shape approximated by spheriod)
    with altitude 0.0 km (for sea level).
    
    Input was...
    10/31/1998  /tiger/u/u176np/mag/u-1-76-np.220_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.220;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.050;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    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 4 of 4)
    Bathymetry Data
    10/31/1998  /tiger/u/u176np/bath/u-1-76-np.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.320;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]U176NP.050;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    
    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 (u-1-76-np.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197605051740000    197605250450000
    197605250510000    197605250635000
    197605250650000    197605250735000
    197605250750000    197605250805000
    197605250830000    197605250830000
    197605250845000    197605250845000
    197605250900000    197605250900000
    197605250915000    197605251135000
    197605251150000    197605251320000
    197605251345000    197605251510000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (u-1-76-np.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197605051740000    197605051745000
    197605051755000    197605051800000
    197605051810000    197605052145000
    197605052155000    197605060145000
    197605060155000    197605060225000
    197605141915000    197605142145000
    197605142155000    197605142200000
    197605142320000    197605150025000
    197605150035000    197605150130000
    197605150900000    197605150945000
    197605150955000    197605151345000
    197605151355000    197605151425000
    197605160830000    197605160945000
    197605160955000    197605161345000
    197605161355000    197605161745000
    197605161755000    197605161905000
    197605211725000    197605211745000
    197605211755000    197605212145000
    197605212155000    197605212310000
    197605212335000    197605212340000
    197605212350000    197605212350000
    197605220000000    197605220010000
    197605220030000    197605220030000
    197605220045000    197605220045000
    197605220055000    197605220145000
    197605220155000    197605220230000
    197605220240000    197605220240000
    197605220250000    197605220250000
    197605220300000    197605220305000
    197605220315000    197605220330000
    197605220340000    197605220345000
    197605220400000    197605220410000
    197605220420000    197605220545000
    197605220555000    197605220920000
    197605230235000    197605230235000
    197605230250000    197605230330000
    197605230340000    197605230355000
    197605230615000    197605230945000
    197605230955000    197605231050000
    197605231600000    197605231600000
    197605231640000    197605231745000
    197605231755000    197605232145000
    197605232155000    197605232300000
    197605232330000    197605232345000
    197605232355000    197605240000000
    197605240030000    197605240045000
    197605241545000    197605241745000
    197605241755000    197605242145000
    197605242155000    197605242350000
    197605250000000    197605250030000
    197605250040000    197605250045000
    197605250055000    197605250055000
    197605250105000    197605250105000
    197605250115000    197605250120000
    197605250130000    197605250145000
    197605250155000    197605250155000
    197605250205000    197605250210000
    197605250220000    197605250235000
    197605250245000    197605250300000
    197605250310000    197605250315000
    197605250325000    197605250450000
    197605250510000    197605250545000
    197605250555000    197605250635000
    197605250650000    197605250735000
    197605250750000    197605250805000
    197605250830000    197605250830000
    197605250845000    197605250845000
    197605250900000    197605250900000
    197605250915000    197605250915000
    197605250925000    197605250925000
    197605250935000    197605250945000
    197605250955000    197605251135000
    197605251150000    197605251225000
    197605251235000    197605251255000
    197605251305000    197605251320000
    197605251345000    197605251345000
    197605251355000    197605251510000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (u-1-76-np.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197605051740000    197605051745000
    197605051755000    197605051800000
    197605051810000    197605052145000
    197605052155000    197605060145000
    197605060155000    197605060225000
    197605141915000    197605142145000
    197605142155000    197605142200000
    197605150055000    197605150130000
    197605150900000    197605150905000
    197605150915000    197605150915000
    197605150925000    197605150945000
    197605150955000    197605151345000
    197605151355000    197605151425000
    197605160830000    197605160945000
    197605160955000    197605161345000
    197605161355000    197605161745000
    197605161755000    197605161905000
    197605211725000    197605211745000
    197605211755000    197605212145000
    197605212155000    197605212235000
    197605220435000    197605220545000
    197605220555000    197605220920000
    197605230235000    197605230235000
    197605230250000    197605230315000
    197605230615000    197605230815000
    197605230825000    197605230945000
    197605230955000    197605231050000
    197605231600000    197605231600000
    197605231640000    197605231745000
    197605231755000    197605232145000
    197605232155000    197605232300000
    197605240040000    197605240045000
    197605241545000    197605241745000
    197605241755000    197605242145000
    197605242155000    197605242310000
    197605250345000    197605250450000
    197605250515000    197605250535000
    197605250955000    197605251100000
    197605251110000    197605251135000
    197605251150000    197605251220000
    197605251240000    197605251240000
    197605251250000    197605251255000
    197605251305000    197605251320000
    197605251355000    197605251510000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (u-1-76-np.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197605051740000    197605051745000
    197605051755000    197605051800000
    197605051810000    197605052145000
    197605052155000    197605060145000
    197605060155000    197605060225000
    197605141915000    197605142145000
    197605142155000    197605142200000
    197605142320000    197605142340000
    197605150100000    197605150130000
    197605150900000    197605150945000
    197605150955000    197605151345000
    197605151355000    197605151425000
    197605160830000    197605160945000
    197605160955000    197605161345000
    197605161355000    197605161600000
    197605161610000    197605161745000
    197605161755000    197605161905000
    197605211725000    197605211745000
    197605211755000    197605212145000
    197605212155000    197605212305000
    197605220055000    197605220145000
    197605220155000    197605220230000
    197605220430000    197605220450000
    197605220500000    197605220545000
    197605220555000    197605220920000
    197605230235000    197605230235000
    197605230250000    197605230330000
    197605230340000    197605230355000
    197605230615000    197605230945000
    197605230955000    197605231050000
    197605231600000    197605231600000
    197605231640000    197605231745000
    197605231755000    197605232145000
    197605232155000    197605232300000
    197605240040000    197605240045000
    197605241545000    197605241745000
    197605241755000    197605242145000
    197605242155000    197605242300000
    197605250345000    197605250440000
    197605250450000    197605250450000
    197605250510000    197605250530000
    197605250940000    197605250945000
    197605250955000    197605251135000
    197605251150000    197605251225000
    197605251235000    197605251255000
    197605251305000    197605251320000
    197605251345000    197605251345000
    197605251355000    197605251510000
    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 U-1-76-NP data set <http://walrus.wr.usgs.gov/infobank/u/u176np/html/u-1-76-np.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: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/u/u176np/html/u-1-76-np.nav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/u/u176np/html/u-1-76-np.grav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/u/u176np/html/u-1-76-np.mag.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/u/u176np/html/u-1-76-np.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 30-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 Wed Oct 30 07:59:23 2013