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What does this data set describe?

Title:
Geophysical data of field activity W-31-81-BS in St. George from 01/01/1981 to 03/12/1981
Abstract:
WesternGeco. Geophysical data (navigation, seismic) of field activity W-31-81-BS in St. George from 01/01/1981 to 03/12/1981, <http://walrus.wr.usgs.gov/infobank/w/w3181bs/html/w-31-81-bs.meta.html>.
Supplemental_Information:

Equipment Used -
navigation data directory exists
seismic data directory exists
Notes -
Description of Survey Area 00031: St. George 1981<br> <p>
Client Name WesternGeco Multiclient<br>
Coordinate Location Vessel Locations<br>
Spheroid Definition-Survey Clarke 1866 6378206.400 294.978698<br>
Spheroid Def. - Post Plot Clarke 1866 6378206.400 294.978698<br>
Geodetic Datum - Survey NAD 27<br>
Geodetic Datum - Post Plot NAD 27<br>
<p>
Datum Shifts<br>
Projection Type Transverse Mercator<br>
Grid System UTM Zone 3<br>
Grid Units Meters<br>
Central Meridian 165 0 0.000W<br>
Grid Origin 0 0 0.000N165 0 0.000W<br>
Grid Coordinates at Origin 500000.00E 0.00N<br>
Scale Factor 0.9996000000<br>
Scale Factor Defined at 0 0 0.000N165 0 0.000W<br>
<p>

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/>, 20131101, Geophysical data of field activity W-31-81-BS in St. George from 01/01/1981 to 03/12/1981: 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: -168.68820
    East_Bounding_Coordinate: -164.87046
    North_Bounding_Coordinate: 56.82159
    South_Bounding_Coordinate: 55.23551

  3. What does it look like?

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

    Beginning_Date: 01-Jan-1981
    Ending_Date: 12-Mar-1981
    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: St. George
      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:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
    Entity_and_Attribute_Overview:
    Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.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: 08-Jul-2004 (process 1 of 1)
    Navigation Data
    07/08/2004 mosier name change to w-31-81-bs.051
    
    03/05/2004 clint w-31-81-bs.062
    /infobank/programs/time/lines2times/l2t
    Global positioning system (GPS) data
    Times are faked.
    
    Input was...
    02/02/2004 clint /infobank/w/w3181bs/nav/w-31-81-bs.061
    /infobank/programs/time/lines2times/lines2times
    Global positioning system (GPS) data
    times are fake
    
    year,day,hr,min,sec,tenths,lat,long,line,shot,easting,northing,depth
    

    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 (w-31-81-bs.051 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198101010000001    198101010000147
    198101020000001    198101040003575
    198101050000001    198101070000160
    198101080000001    198101080005346
    198101090000001    198101090002211
    198101100000001    198101100004306
    198101110000001    198101110000143
    198101120000001    198101120003476
    198101130000001    198101130000156
    198101140000001    198101140002151
    198101150000001    198101190000225
    198101200000001    198101200002066
    198101210000001    198101210002112
    198101220000001    198101270000242
    198101280000001    198101300000173
    198101310000001    198101310001008
    198102010000001    198102030000008
    198102040000001    198102040000289
    198102050000001    198102050004472
    198102060000001    198102060000281
    198102070000001    198102070001186
    198102080000001    198102080004106
    198102090000001    198102090000070
    198102100000001    198102100004199
    198102110000001    198102130000277
    198102140000001    198102140000107
    198102150000001    198102230000075
    198102240000001    198102250000076
    198102260000001    198102260000308
    198102270000001    198102270000119
    198102280000001    198102280000308
    198103010000001    198103010000111
    198103020000001    198103020000308
    198103030000001    198103030000083
    198103040000001    198103060000275
    198103070000001    198103070000124
    198103080000001    198103080000169
    198103090000001    198103090000129
    198103100000001    198103100000083
    198103110000001    198103110000124
    198103120000001    198103120000169
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (w-31-81-bs.420_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198101010000001    198101010000147
    198101020000001    198101040003575
    198101050000001    198101070000160
    198101080000001    198101080005346
    198101090000001    198101090002211
    198101100000001    198101100004306
    198101110000001    198101110000143
    198101120000001    198101120003476
    198101130000001    198101130000156
    198101140000001    198101140002151
    198101150000001    198101190000225
    198101200000001    198101200002066
    198101210000001    198101210002112
    198101220000001    198101270000242
    198101280000001    198101300000173
    198101310000001    198101310001008
    198102010000001    198102030000008
    198102040000001    198102040000289
    198102050000001    198102050004472
    198102060000001    198102060000281
    198102070000001    198102070001186
    198102080000001    198102080004106
    198102090000001    198102090000070
    198102100000001    198102100004199
    198102110000001    198102130000277
    198102140000001    198102140000107
    198102150000001    198102230000075
    198102240000001    198102250000076
    198102260000001    198102260000308
    198102270000001    198102270000119
    198102280000001    198102280000308
    198103010000001    198103010000111
    198103020000001    198103020000308
    198103030000001    198103030000083
    198103040000001    198103060000275
    198103070000001    198103070000124
    198103080000001    198103080000169
    198103090000001    198103090000129
    198103100000001    198103100000083
    198103110000001    198103110000124
    198103120000001    198103120000169
    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 W-31-81-BS data set <http://walrus.wr.usgs.gov/infobank/w/w3181bs/html/w-31-81-bs.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: 3.9
Network links: <http://walrus.wr.usgs.gov/infobank/w/w3181bs/html/w-31-81-bs.nav.html>

Data format: ASCII Size: 3.9
Network links: <http://walrus.wr.usgs.gov/infobank/w/w3181bs/html/w-31-81-bs.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 01-Nov-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 Fri Nov 1 14:12:20 2013