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What does this data set describe?

Title:
Geophysical data of field activity G-32-73-NP in Northern Pacific from 08/15/1973 to 10/11/1973
Abstract:
Chief Scientists: R. Larson, R.M. Moberley. Geophysical data (transitsatellite, 12khz, magnetics, airgun, bathymetry) of field activity G-32-73-NP in Northern Pacific from 08/15/1973 to 10/11/1973, <http://walrus.wr.usgs.gov/infobank/g/g3273np/html/g-32-73-np.meta.html>.
Supplemental_Information:

Equipment Used -
transitsatellite
12khz 12 khz bathymetry
magnetics Varian MFD Proton Precession magnetometer
airgun 20 to 300 cu. in. airgun
bathymetry 10 to 300 hz EDO
Notes -
Scripps Institution of Oceanography
Publications -
Core Data from the Deep Sea Drilling Project, Leg 32:
<A HREF="<http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/32/leg32.htm>"><http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/32/leg32.htm>

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 G-32-73-NP in Northern Pacific from 08/15/1973 to 10/11/1973: 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: 141.00000
    East_Bounding_Coordinate: -163.00000
    North_Bounding_Coordinate: 42.00000
    South_Bounding_Coordinate: 20.00000

  3. What does it look like?

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

    Beginning_Date: 15-Aug-1973
    Ending_Date: 11-Oct-1973
    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:
    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?

    R. Larson (Chief Scientist); R.M. Moberley (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: 30-Jan-1998 (process 1 of 3)
    Navigation Data
    01/30/1998 clint g-32-73-np.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    

    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 2 of 3)
    Magnetics Data
    06/20/2012 carolyn g-32-73-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/g/g3273np/mag/g-32-73-np.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint g-32-73-np.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint g-32-73-np.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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/g/g3273np/bath/g-32-73-np.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint g-32-73-np.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint g-32-73-np.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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:

    Other_Citation_Details:
    Core Data from the Deep Sea Drilling Project, Leg 32: <A HREF="<http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/32/leg32.htm>"><http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/32/leg32.htm>



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 (g-32-73-np.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197308152245000    197308181318000
    197308232220000    197308240746000
    197308270900000    197308291039000
    197309031020000    197309031313000
    197309072310000    197309072323000
    197309072329000    197309072329000
    197309072335000    197309072338000
    197309072344000    197309072344000
    197309072350000    197309090530000
    197309130730000    197309160620000
    197309170240000    197309170732000
    197309180235000    197309182030000
    197309182045000    197309191019000
    197309240135000    197309261525000
    197309281045000    197309292022000
    197310010150000    197310031133000
    197310070540000    197310091630000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (g-32-73-np.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197308160250000    197308181318000
    197308232220000    197308240746000
    197308270900000    197308291030000
    197308291039000    197308291039000
    197309031020000    197309031310000
    197309072310000    197309072323000
    197309072329000    197309072329000
    197309072335000    197309072338000
    197309072344000    197309072344000
    197309072350000    197309081900000
    197309081920000    197309090510000
    197309090525000    197309090530000
    197309130730000    197309140155000
    197309140205000    197309160620000
    197309170240000    197309170445000
    197309170520000    197309170732000
    197309180250000    197309180405000
    197309180420000    197309182030000
    197309182045000    197309190435000
    197309190450000    197309191015000
    197309240220000    197309261525000
    197309281110000    197309292022000
    197310010155000    197310021515000
    197310021525000    197310031133000
    197310070540000    197310071025000
    197310071050000    197310071055000
    197310071105000    197310091555000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (g-32-73-np.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197308152245000    197308160755000
    197308160805000    197308161640000
    197308161650000    197308181318000
    197308232220000    197308240746000
    197308270900000    197308291039000
    197309031020000    197309031313000
    197309072310000    197309072323000
    197309072329000    197309072329000
    197309072335000    197309072338000
    197309072344000    197309072344000
    197309072350000    197309080235000
    197309080245000    197309081130000
    197309081200000    197309082025000
    197309082035000    197309082230000
    197309090050000    197309090125000
    197309090205000    197309090320000
    197309090340000    197309090415000
    197309090445000    197309090520000
    197309090530000    197309090530000
    197309130730000    197309140515000
    197309140540000    197309150955000
    197309151010000    197309152125000
    197309152135000    197309160620000
    197309170240000    197309170250000
    197309170300000    197309170732000
    197309180235000    197309182030000
    197309182045000    197309190310000
    197309190320000    197309190410000
    197309190420000    197309191019000
    197309240135000    197309250400000
    197309250415000    197309250505000
    197309250520000    197309251730000
    197309251745000    197309261525000
    197309281045000    197309292022000
    197310010150000    197310021235000
    197310021245000    197310021520000
    197310021530000    197310030435000
    197310030445000    197310030520000
    197310030530000    197310030605000
    197310030620000    197310031133000
    197310070540000    197310070615000
    197310070625000    197310072020000
    197310072040000    197310072140000
    197310072200000    197310072255000
    197310072315000    197310080000000
    197310080010000    197310091630000
    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 G-32-73-NP data set <http://walrus.wr.usgs.gov/infobank/g/g3273np/html/g-32-73-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: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/g/g3273np/html/g-32-73-np.nav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/g/g3273np/html/g-32-73-np.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/g/g3273np/html/g-32-73-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 10:44:19 2013