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What does this data set describe?

Title:
Geophysical data of field activity W-40-80-AK in Arco Group Shoot from 01/01/1980 to 02/10/1980
Abstract:
WesternGeco. Geophysical data (navigation, seismic) of field activity W-40-80-AK in Arco Group Shoot from 01/01/1980 to 02/10/1980, <http://walrus.wr.usgs.gov/infobank/w/w4080ak/html/w-40-80-ak.meta.html>.
Supplemental_Information:

Equipment Used -
navigation data directory exists
seismic data directory exists
Notes -
Description of Survey Area 72140: Arco Group Shoot 1980/1981<br> <p>
Client Name WesternGeco Multiclient<br>
Coordinate Location Antenna 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 6<br>
Grid Units Meters<br>
Central Meridian 147 0 0.000W<br>
Grid Origin 0 0 0.000N147 0 0.000W<br>
Grid Coordinates at Origin 500000.00E 0.00N<br>
Scale Factor 0.9996000000<br>
Scale Factor Defined at 0 0 0.000N147 0 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/>, 20130331, Geophysical data of field activity W-40-80-AK in Arco Group Shoot from 01/01/1980 to 02/10/1980: 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: -151.51614
    East_Bounding_Coordinate: -146.12045
    North_Bounding_Coordinate: 70.52264
    South_Bounding_Coordinate: 69.34031

  3. What does it look like?

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

    Beginning_Date: 01-Jan-1980
    Ending_Date: 10-Feb-1980
    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: Arco Group Shoot
      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-40-80-ak.051

03/05/2004 clint w-40-80-ak.062
/infobank/programs/time/lines2times/l2t
Global positioning system (GPS) data
Times are faked.

Input was...
02/02/2004 clint w-40-80-ak.061
/infobank/programs/time/lines2times/l2t
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-40-80-ak.051 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198001010000001    198001010002263
198001020000001    198001020002353
198001030000001    198001030001235
198001040000001    198001040000586
198001050000001    198001050002201
198001060000001    198001060002565
198001070000001    198001070000269
198001080000001    198001080000469
198001090000001    198001090000151
198001100000001    198001100000137
198001110000001    198001110002097
198001120000001    198001120001565
198001130000001    198001130002117
198001140000001    198001140001587
198001150000001    198001150000387
198001160000001    198001160001015
198001170000001    198001170002155
198001180000001    198001180001153
198001190000001    198001190000301
198001200000001    198001200000221
198001210000001    198001210000325
198001220000001    198001220000265
198001230000001    198001230000435
198001240000001    198001240001241
198001250000001    198001250000467
198001260000001    198001260001451
198001270000001    198001270001117
198001280000001    198001280001007
198001290000001    198001290001299
198001300000001    198001300000294
198001310000001    198001310001333
198002010000001    198002010000437
198002020000001    198002020001243
198002030000001    198002030001101
198002040000001    198002040001389
198002050000001    198002050001299
198002060000001    198002060001299
198002070000001    198002070000405
198002080000001    198002080000221
198002090000001    198002090001087
198002100000001    198002100001497
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (w-40-80-ak.420_051)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198001010000001    198001010002263
198001020000001    198001020002353
198001030000001    198001030001235
198001040000001    198001040000586
198001050000001    198001050002201
198001060000001    198001060002565
198001070000001    198001070000269
198001080000001    198001080000469
198001090000001    198001090000151
198001100000001    198001100000137
198001110000001    198001110002097
198001120000001    198001120001565
198001130000001    198001130002117
198001140000001    198001140001587
198001150000001    198001150000387
198001160000001    198001160001015
198001170000001    198001170002155
198001180000001    198001180001153
198001190000001    198001190000301
198001200000001    198001200000221
198001210000001    198001210000325
198001220000001    198001220000265
198001230000001    198001230000435
198001240000001    198001240001241
198001250000001    198001250000467
198001260000001    198001260001451
198001270000001    198001270001117
198001280000001    198001280001007
198001290000001    198001290001299
198001300000001    198001300000294
198001310000001    198001310001333
198002010000001    198002010000437
198002020000001    198002020001243
198002030000001    198002030001101
198002040000001    198002040001389
198002050000001    198002050001299
198002060000001    198002060001299
198002070000001    198002070000405
198002080000001    198002080000221
198002090000001    198002090001087
198002100000001    198002100001497
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-40-80-AK data set <http://walrus.wr.usgs.gov/infobank/w/w4080ak/html/w-40-80-ak.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: 3.1
Network links: <http://walrus.wr.usgs.gov/infobank/w/w4080ak/html/w-40-80-ak.nav.html>

Data format: ASCII Size: 3.1
Network links: <http://walrus.wr.usgs.gov/infobank/w/w4080ak/html/w-40-80-ak.seis.html>

  • Cost to order the data: None

    • Who wrote the metadata?

    Dates:
    Last modified: 31-Mar-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 Sun Mar 31 08:03:41 2013