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What does this data set describe?

Title:
Geophysical data of field activity M-1-68-NP in Northern Pacific from 06/03/1968 to 06/22/1968
Abstract:
Chief Scientist: Takahiro Sato. Geophysical data (bathymetry, gravity, integratednavigation) of field activity M-1-68-NP in Northern Pacific from 06/03/1968 to 06/22/1968, <http://walrus.wr.usgs.gov/infobank/m/m168np/html/m-1-68-np.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
integratednavigation
Notes -
Data supplied by National Geophysical Data Center (NGDC) as of 12/21/87
<http://www.ngdc.noaa.gov/ngdc.html>

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 M-1-68-NP in Northern Pacific from 06/03/1968 to 06/22/1968: 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: 143.00104
    East_Bounding_Coordinate: 144.49760
    North_Bounding_Coordinate: 41.98429
    South_Bounding_Coordinate: 40.02786

  3. What does it look like?

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

    Beginning_Date: 03-Jun-1968
    Ending_Date: 22-Jun-1968
    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:
    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?

    Takahiro Sato (Chief Scientist)

  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: 06-Dec-1995 (process 1 of 3)
    Navigation Data
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]M168NP.051;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    original times came with hour/minute field filled with 9s
    these times were back calculated based on:
      1)  assuming times started at the start of the day indicated
      2)  computing the distance between successive fixes for that day
      3)  assuming the ship's speed was 10 knots
    
    

    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 3)
    Gravity Data
    10/31/1998  /tiger/m/m168np/grav/m-1-68-np.161_051
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]M168NP.161;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    original times came with hour/minute field filled with 9s
    these times were back calculated based on:
      1)  assuming times started at the start of the day indicated
      2)  computing the distance between successive fixes for that day
      3)  assuming the ship's speed was 10 knots
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]M168NP.051;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    original times came with hour/minute field filled with 9s
    these times were back calculated based on:
      1)  assuming times started at the start of the day indicated
      2)  computing the distance between successive fixes for that day
      3)  assuming the ship's speed was 10 knots
    
    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/m/m168np/bath/m-1-68-np.321_051
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]M168NP.321;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    original times came with hour/minute field filled with 9s
    these times were back calculated based on:
      1)  assuming times started at the start of the day indicated
      2)  computing the distance between successive fixes for that day
      3)  assuming the ship's speed was 10 knots
    
    Input was...
    Converted to time format with year at start.
    
    09/09/87 CAROLYN DRS$DATA:[VONHUENE.W02114]M168NP.051;
    DUA0:[DRS.NGDC]UNREFNGDC.EXE;
    original times came with hour/minute field filled with 9s
    these times were back calculated based on:
      1)  assuming times started at the start of the day indicated
      2)  computing the distance between successive fixes for that day
      3)  assuming the ship's speed was 10 knots
    
    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 (m-1-68-np.051 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196806030000000    196806050840026
    196806050909374    196806051117497
    196806051140168    196806051140168
    196806051202312    196806051410343
    196806051433566    196806051700148
    196806051724361    196806051734001
    196806060000000    196806060342584
    196806060404347    196806060524060
    196806060545433    196806060757365
    196806060820118    196806060956143
    196806061017474    196806061017474
    196806061039072    196806061141566
    196806061202166    196806061448052
    196806070000000    196806070034333
    196806070055564    196806070445480
    196806070510391    196806070542198
    196806070605224    196806070724000
    196806070744320    196806070955354
    196806220000000    196806220027517
    196806220057498    196806220712593
    196806220736251    196806220801442
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (m-1-68-np.161_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196806030000000    196806030240576
    196806030307393    196806030448552
    196806030511141    196806030629596
    196806040000000    196806040114325
    196806040135510    196806040459547
    196806040519570    196806040906008
    196806040927393    196806041105331
    196806041125365    196806041312120
    196806050000000    196806050010490
    196806050031460    196806050713026
    196806050745254    196806050840026
    196806050909374    196806051117497
    196806051140168    196806051140168
    196806051202312    196806051410343
    196806051433566    196806051700148
    196806051724361    196806051734001
    196806060000000    196806060342584
    196806060404347    196806060524060
    196806060545433    196806060757365
    196806060820118    196806060956143
    196806061017474    196806061017474
    196806061039072    196806061141566
    196806061202166    196806061448052
    196806070000000    196806070034333
    196806070055564    196806070445480
    196806070510391    196806070542198
    196806070605224    196806070724000
    196806070744320    196806070955354
    196806220000000    196806220027517
    196806220057498    196806220712593
    196806220736251    196806220801442
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (m-1-68-np.321_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196806030000000    196806030240576
    196806030307393    196806030448552
    196806030511141    196806030629596
    196806040000000    196806040114325
    196806040135510    196806040459547
    196806040519570    196806040906008
    196806040927393    196806041105331
    196806041125365    196806041312120
    196806050000000    196806050010490
    196806050031460    196806050713026
    196806050745254    196806050840026
    196806050909374    196806051117497
    196806051140168    196806051140168
    196806051202312    196806051410343
    196806051433566    196806051700148
    196806051724361    196806051734001
    196806060000000    196806060342584
    196806060404347    196806060524060
    196806060545433    196806060757365
    196806060820118    196806060956143
    196806061017474    196806061017474
    196806061039072    196806061141566
    196806061202166    196806061448052
    196806070000000    196806070034333
    196806070055564    196806070445480
    196806070510391    196806070542198
    196806070605224    196806070724000
    196806070744320    196806070955354
    196806220000000    196806220027517
    196806220057498    196806220712593
    196806220736251    196806220801442
    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 M-1-68-NP data set <http://walrus.wr.usgs.gov/infobank/m/m168np/html/m-1-68-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/m/m168np/html/m-1-68-np.nav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/m/m168np/html/m-1-68-np.grav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/m/m168np/html/m-1-68-np.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 13:08:20 2013