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What does this data set describe?

Title:
Geophysical data of field activity W-1-76-SE in GEORGIA EMBANKMENT 1975/76 from 01/01/1976 to 02/24/1976
Abstract:
WesternGeco. Geophysical data (navigation, seismic) of field activity W-1-76-SE in GEORGIA EMBANKMENT 1975/76 from 01/01/1976 to 02/24/1976, <http://walrus.wr.usgs.gov/infobank/w/w176se/html/w-1-76-se.meta.html>.
Supplemental_Information:

Equipment Used -
navigation data directory exists
seismic data directory exists
Notes -
DESCRIPTION OF SURVEY AREA 70500: GEORGIA EMBANKMENT 1975/76<br> <p>
CLIENT NAME WESTERNGECO MULTICLIENT<br>
COORDINATE LOCATION SURFACE SOURCE 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 17<br>
GRID UNITS METERS<br>
CENTRAL MERIDIAN 81 0 0.000W<br>
GRID ORIGIN 0 0 0.000N 81 0 0.000W<br>
GRID COORDINATES AT ORIGIN 500000.00E 0.00N<br>
SCALE FACTOR 0.9996000000<br>
SCALE FACTOR DEFINED AT 0 0 0.000N 81 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/>, 20131030, Geophysical data of field activity W-1-76-SE in GEORGIA EMBANKMENT 1975/76 from 01/01/1976 to 02/24/1976: 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: -80.50014
    East_Bounding_Coordinate: -77.52900
    North_Bounding_Coordinate: 31.34761
    South_Bounding_Coordinate: 29.99983

  3. What does it look like?

    <http://walrus.wr.usgs.gov/infobank/w/w176se/html/w-1-76-se.nav.gif> (GIF)
    Trackline map of W-1-76-SE
    <http://walrus.wr.usgs.gov/infobank/w/w176se/html/w-1-76-se.seis.gif> (GIF)
    Seismic shot point data trackline map of W-1-76-SE

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

    Beginning_Date: 01-Jan-1976
    Ending_Date: 24-Feb-1976
    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: GEORGIA EMBANKMENT 1975/76
      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: 14-Feb-2008 (process 1 of 1)
    Navigation Data
    07/07/2004 clint w-1-76-se.051
    /infobank/programs/time/lines2times/lines2times
    Integrated navigation (SINS) data
    times are fake
    
    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-1-76-se.051 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197601010000001    197601010000243
    197601020000001    197601020000170
    197601030000001    197601030000315
    197601040000001    197601040000246
    197601050000001    197601050000498
    197601060000001    197601060001107
    197601070000001    197601070000261
    197601080000001    197601080000405
    197601090000001    197601090000127
    197601100000001    197601100000271
    197601110000001    197601110000457
    197601120000001    197601120000024
    197601130000001    197601130000481
    197601140000001    197601140000280
    197601150000001    197601150000148
    197601160000001    197601160000152
    197601170000001    197601170000154
    197601180000001    197601180000160
    197601190000001    197601190000166
    197601200000001    197601200000092
    197601210000001    197601210000066
    197601220000001    197601220000100
    197601230000001    197601230000010
    197601240000001    197601240000061
    197601250000001    197601250000027
    197601260000001    197601260000043
    197601270000001    197601270000050
    197601280000001    197601280000051
    197601290000001    197601290000173
    197601300000001    197601300000086
    197601310000001    197601310000059
    197602010000001    197602010000045
    197602020000001    197602020000051
    197602030000001    197602030000035
    197602040000001    197602040000085
    197602050000001    197602050000081
    197602060000001    197602060000081
    197602070000001    197602070000071
    197602080000001    197602080000081
    197602090000001    197602090000086
    197602100000001    197602100000071
    197602110000001    197602110000093
    197602120000001    197602120000126
    197602130000001    197602130000102
    197602140000001    197602140000177
    197602150000001    197602150000105
    197602160000001    197602160000282
    197602170000001    197602170000119
    197602180000001    197602180000306
    197602190000001    197602190000119
    197602200000001    197602200000290
    197602210000001    197602210000135
    197602220000001    197602220000031
    197602230000001    197602230000136
    197602240000001    197602240000137
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (w-1-76-se.420_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197601010000001    197601010000243
    197601020000001    197601020000170
    197601030000001    197601030000315
    197601040000001    197601040000246
    197601050000001    197601050000498
    197601060000001    197601060001107
    197601070000001    197601070000261
    197601080000001    197601080000405
    197601090000001    197601090000127
    197601100000001    197601100000271
    197601110000001    197601110000457
    197601120000001    197601120000024
    197601130000001    197601130000481
    197601140000001    197601140000280
    197601150000001    197601150000148
    197601160000001    197601160000152
    197601170000001    197601170000154
    197601180000001    197601180000160
    197601190000001    197601190000166
    197601200000001    197601200000092
    197601210000001    197601210000066
    197601220000001    197601220000100
    197601230000001    197601230000010
    197601240000001    197601240000061
    197601250000001    197601250000027
    197601260000001    197601260000043
    197601270000001    197601270000050
    197601280000001    197601280000051
    197601290000001    197601290000173
    197601300000001    197601300000086
    197601310000001    197601310000059
    197602010000001    197602010000045
    197602020000001    197602020000051
    197602030000001    197602030000035
    197602040000001    197602040000085
    197602050000001    197602050000081
    197602060000001    197602060000081
    197602070000001    197602070000071
    197602080000001    197602080000081
    197602090000001    197602090000086
    197602100000001    197602100000071
    197602110000001    197602110000093
    197602120000001    197602120000126
    197602130000001    197602130000102
    197602140000001    197602140000177
    197602150000001    197602150000105
    197602160000001    197602160000282
    197602170000001    197602170000119
    197602180000001    197602180000306
    197602190000001    197602190000119
    197602200000001    197602200000290
    197602210000001    197602210000135
    197602220000001    197602220000031
    197602230000001    197602230000136
    197602240000001    197602240000137
    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-1-76-SE data set <http://walrus.wr.usgs.gov/infobank/w/w176se/html/w-1-76-se.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: 0.8
Network links: <http://walrus.wr.usgs.gov/infobank/w/w176se/html/w-1-76-se.nav.html>

Data format: ASCII Size: 0.8
Network links: <http://walrus.wr.usgs.gov/infobank/w/w176se/html/w-1-76-se.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 30-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 Wed Oct 30 08:53:30 2013