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What does this data set describe?

Title:
Geophysical data of field activity W-1-81-GT in GUATEMALA from 01/01/1981 to 01/19/1981
Abstract:
WesternGeco. Geophysical data of field activity W-1-81-GT in GUATEMALA from 01/01/1981 to 01/19/1981, <http://walrus.wr.usgs.gov/infobank/w/w181gt/html/w-1-81-gt.meta.html>.
Supplemental_Information:

Notes -
SURVEY AREA 9001: GUATEMALA <br>
SURVEY DATE 1981 <br>
TAPE DATE 13-12-99 <br>
TAPE VERSION UKOOA P1/90 <br>
CLIENT WESTERNGECO MULTICLIENT <br>
GEOPHYSICAL CONTRACTOR WESTERN GEOPHYSICAL COMPANY <br>
POSITIONING CONTRACTOR WESTERN GEOPHYSICAL COMPANY <br>
POSITIONING PROCESSING WESTERN GEOPHYSICAL COMPANY <br>
COORDINATE LOCATION ANTENNA LOCATIONS <br>
GEODETIC DATUM AS SURVEY NAD 27 CLARKE (1866 6378206.400 294.978698<br>
GEODETIC DATUM AS POST. NAD 27 CLARKE (1866 6378206.400 294.978698<br>
DATUM SHIFTS <br>
VERTICAL DATUM MEAN SEA LEVEL <br>
PROJECTION 0003TRANSVERSE MERCATOR <br>
GRID SYSTEM U.T.M. ZONE 1<br>
GRID UNITS 1METRES 1.00000000000<br>
HEIGHT UNITS 1 METRES .000000000000 <br>
ANGULAR UNITS 1 DEGREES <br>
CENTRAL MERIDIAN 87 0 .000W <br>
GRID ORIGIN 0 0 .000N 87 0 .000W <br>
GRID COORDINATES AT ORIGIN 500000.00E .00N <br>
SCALE FACTOR .9996000000 <br>
SCALE FACTOR DEFINED AT 0 0 .000N 87 0 .000W <br>
<br>

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-1-81-GT in GUATEMALA from 01/01/1981 to 01/19/1981: 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: -90.68228
    East_Bounding_Coordinate: -89.09389
    North_Bounding_Coordinate: 17.68325
    South_Bounding_Coordinate: 15.74014

  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: 19-Jan-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: GUATEMALA
      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: 21-Jun-2007 (process 1 of 1)
    Navigation Data
    06/21/2007 clint temp
    /infobank/programs/time/fixtimecounter/fixtimecounter
    
    Input was...
    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-1-81-gt.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198101010000001    198101010001021
    198101020000001    198101020000428
    198101030000001    198101030006459
    198101040000001    198101040001016
    198101050000001    198101050000155
    198101060000001    198101060000598
    198101070000001    198101070000288
    198101080000001    198101080000315
    198101090000001    198101090000486
    198101100000001    198101100001072
    198101110000001    198101110000355
    198101120000001    198101120000122
    198101130000001    198101130000436
    198101140000001    198101140000365
    198101150000001    198101150000533
    198101160000001    198101160000305
    198101170000001    198101170000258
    198101180000001    198101180001108
    198101190000001    198101190000159
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (w-1-81-gt.420_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198101010000001    198101010001021
    198101020000001    198101020000428
    198101030000001    198101030006459
    198101040000001    198101040001016
    198101050000001    198101050000155
    198101060000001    198101060000598
    198101070000001    198101070000288
    198101080000001    198101080000315
    198101090000001    198101090000486
    198101100000001    198101100001072
    198101110000001    198101110000355
    198101120000001    198101120000122
    198101130000001    198101130000436
    198101140000001    198101140000365
    198101150000001    198101150000533
    198101160000001    198101160000305
    198101170000001    198101170000258
    198101180000001    198101180001108
    198101190000001    198101190000159
    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-1-81-GT data set <http://walrus.wr.usgs.gov/infobank/w/w181gt/html/w-1-81-gt.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: 1.1
Network links: <http://walrus.wr.usgs.gov/infobank/w/w181gt/html/w-1-81-gt.nav.html>

Data format: ASCII Size: 1.1
Network links: <http://walrus.wr.usgs.gov/infobank/w/w181gt/html/w-1-81-gt.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 14:09:20 2013