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What does this data set describe?

Title:
Geophysical data of field activity W-2-77-LE in LAKE ERIE from 01/01/1977 to 07/09/1977
Abstract:
WesternGeco. Geophysical data of field activity W-2-77-LE in LAKE ERIE from 01/01/1977 to 07/09/1977, <http://walrus.wr.usgs.gov/infobank/w/w277le/html/w-2-77-le.meta.html>.
Supplemental_Information:

Notes -
DESCRIPTION OF SURVEY AREA LAKE ERIE<br>
DATE OF SURVEY 1977<br>
POST PLOT TAPE ISSUED DECEMBER 15, 2000<br>
VERSION IDENTIFIER UKOOA P1/84 <br>
CLIENT NAME WESTERN SPECULATIVE <br>
GEOPHYSICAL CONTRACTOR WESTERN GEOPHYSICAL COMPANY <br>
POSITIONING CONTRACTOR WESTERN GEOPHYSICAL COMPANY <br>
POSITIONING PROCESSING CONTRWESTERN GEOPHYSICAL COMPANY <br>
POSITIONING COMPUTER SYSTEMS <br>
COORDINATE LOCATION ANTENNA LOCATION<br>
POS TO COORD LOC <br>
CLOCK TIME IN RESPECT OF GMT <br>
NUMBER OF RECEIVER GRPS/SHOT 0 <br>
SPHEROID DEFINITION - SURVEYCLARKE (1866) 6378206.400 294.978698<br>
SPHEROID DEF. - POST PLOT CLARKE (1866) 6378206.400 294.978698<br>
GEODETIC DATUM - SURVEY NAD 1927 <br>
GEODETIC DATUM - POST PLOT NAD 1927 <br>
SHIFTS <br>
SHIFTS <br>
VERTICAL DATUM DESCRIPTION MEAN SEA LEVEL <br>
PROJECTION TYPE LAMBERT, 2 STANDARD PARALLELS <br>
GRID SYSTEM PENNSYLVANIA NORT<br>
GRID UNITS U.S. SURVEY FEET <br>
STANDARD PARALLELS 405300.000N 414700.000<br>
CENTRAL MERIDIAN 7745 0.000<br>
GRID ORIGIN 401000.000N 7745 0.000<br>
GRID COORDINATES AT ORIGIN 2000000.00E 0.00<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-2-77-LE in LAKE ERIE from 01/01/1977 to 07/09/1977: 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: -83.75000
    East_Bounding_Coordinate: -78.25000
    North_Bounding_Coordinate: 43.25000
    South_Bounding_Coordinate: 41.25000

  3. What does it look like?

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

    Beginning_Date: 01-Jan-1977
    Ending_Date: 09-Jul-1977
    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: LAKE ERIE
      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: 10-Jan-2011 (process 1 of 1)
    Navigation Data 
    /infobank/w/w277le/nav/w-2-77-le.050
time/lat/long style, multi-record, in caps, without tabs
temporal-spatial data

Input was...
/infobank/w/w277le/seis/w-2-77-le.410
time/lat/long style, multi-record, in caps, without tabs
temporal domain
/infobank/programs/edit/mergeit/mergeit
use value = -9999 for null FFID, Shot, or CDP
Edited line A1RES date from 1977000 to 1977190, 1/10/2011.

06/21/2007 clint /infobank/w/w277le/w-2-77-le.420_050
/infobank/programs/time/fixtimecounter/fixtimecounter
year,day,hr,min,sec,tenths,lat,long,line,shot,easting,northing,depth

       1         2         3         4         5         6         7         8
345678901234567890123456789012345678901234567890123456789012345678901234567890

    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-2-77-le.050 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197701010000001    197707081200001
197707091200001    197707091200070
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (w-2-77-le.410)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197701010000001    197707081200001
197707091200001    197707091200070
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-2-77-LE data set <http://walrus.wr.usgs.gov/infobank/w/w277le/html/w-2-77-le.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: 1.8
Network links: <http://walrus.wr.usgs.gov/infobank/w/w277le/html/w-2-77-le.nav.html>

Data format: ASCII Size: 1.8
Network links: <http://walrus.wr.usgs.gov/infobank/w/w277le/html/w-2-77-le.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 08:03:32 2013