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What does this data set describe?

Title:
Geophysical data of field activity W-7-77-NA in Baltimore Canyon from 01/01/1977 to 04/28/1977
Abstract:
WesternGeco. Geophysical data (navigation, seismic) of field activity W-7-77-NA in Baltimore Canyon from 01/01/1977 to 04/28/1977, <http://walrus.wr.usgs.gov/infobank/w/w777na/html/w-7-77-na.meta.html>.
Supplemental_Information:

Equipment Used -
navigation data directory exists
seismic data directory exists
Notes -
Description of Survey Area 70507: Baltimore Canyon 1977/78<br> <p>
Client Name WesternGeco Multiclient<br>
Coordinate Location 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 18<br>
Grid Units Meters<br>
Central Meridian 75 0 0.000W<br>
Grid Origin 0 0 0.000N 75 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 75 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/>, 20131030, Geophysical data of field activity W-7-77-NA in Baltimore Canyon from 01/01/1977 to 04/28/1977: 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: -74.12475
    East_Bounding_Coordinate: -72.28306
    North_Bounding_Coordinate: 39.29833
    South_Bounding_Coordinate: 37.86092

  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: 28-Apr-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: Baltimore Canyon
      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-7-77-na.051
    
    03/05/2004 clint w-7-77-na.062
    /infobank/programs/time/lines2times/l2t
    Global positioning system (GPS) data
    Times are faked.
    
    Input was...
    02/02/2004 clint w-7-77-na.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-7-77-na.051 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197701010000001    197701010001361
    197701020000001    197701020001361
    197701030000001    197701030001361
    197701040000001    197701040001171
    197701050000001    197701050001171
    197701060000001    197701060001046
    197701070000001    197701070000576
    197701080000001    197701080000572
    197701090000001    197701090001361
    197701100000001    197701100001171
    197701110000001    197701110001171
    197701120000001    197701120000566
    197701130000001    197701130000496
    197701140000001    197701140000372
    197701150000001    197701150001361
    197701160000001    197701160000436
    197701170000001    197701170001576
    197701180000001    197701180001361
    197701190000001    197701190000461
    197701200000001    197701200000556
    197701210000001    197701210001551
    197701220000001    197701220000461
    197701230000001    197701230001346
    197701240000001    197701240000352
    197701250000001    197701250001326
    197701260000001    197701260001168
    197701270000001    197701270001316
    197701280000001    197701280001180
    197701290000001    197701290001316
    197701300000001    197701300000489
    197701310000001    197701310000486
    197702010000001    197702010000488
    197702020000001    197702020000486
    197702030000001    197702030001032
    197702040000001    197702040000368
    197702050000001    197702050000488
    197702060000001    197702060000348
    197702070000001    197702070000487
    197702080000001    197702080000488
    197702090000001    197702090000346
    197702100000001    197702100000397
    197702110000001    197702110000486
    197702120000001    197702120000346
    197702130000001    197702130000486
    197702140000001    197702140000488
    197702150000001    197702150000486
    197702160000001    197702160000494
    197702170000001    197702170000486
    197702180000001    197702180000346
    197702190000001    197702190000488
    197702200000001    197702200000488
    197702210000001    197702210000348
    197702220000001    197702220000346
    197702230000001    197702230000346
    197702240000001    197702240000348
    197702250000001    197702250000496
    197702260000001    197702260000456
    197702270000001    197702270001041
    197702280000001    197702280000486
    197703010000001    197703010001031
    197703020000001    197703020000346
    197703030000001    197703030000346
    197703040000001    197703040000346
    197703050000001    197703050000487
    197703060000001    197703060000352
    197703070000001    197703070000348
    197703080000001    197703080000186
    197703090000001    197703090001031
    197703100000001    197703100001176
    197703110000001    197703110001031
    197703120000001    197703120001032
    197703130000001    197703130001046
    197703140000001    197703140001032
    197703150000001    197703150000526
    197703160000001    197703160000494
    197703170000001    197703170000431
    197703180000001    197703180000373
    197703190000001    197703190000486
    197703200000001    197703200001031
    197703210000001    197703210000488
    197703220000001    197703220001031
    197703230000001    197703230000488
    197703240000001    197703240001186
    197703250000001    197703250001036
    197703260000001    197703260001032
    197703270000001    197703270001042
    197703280000001    197703280001041
    197703290000001    197703290001032
    197703300000001    197703300001032
    197703310000001    197703310000348
    197704010000001    197704010001032
    197704020000001    197704020000386
    197704030000001    197704030000486
    197704040000001    197704040000486
    197704050000001    197704050000486
    197704060000001    197704060000252
    197704070000001    197704070000346
    197704080000001    197704080000251
    197704090000001    197704090000346
    197704100000001    197704100001026
    197704110000001    197704110000486
    197704120000001    197704120001032
    197704130000001    197704130000488
    197704140000001    197704140001263
    197704150000001    197704150001118
    197704160000001    197704160001316
    197704170000001    197704170001192
    197704180000001    197704180000194
    197704190000001    197704190000446
    197704200000001    197704200000368
    197704210000001    197704210001030
    197704220000001    197704220000346
    197704230000001    197704230001030
    197704240000001    197704240000486
    197704250000001    197704250000488
    197704260000001    197704260001316
    197704270000001    197704270000348
    197704280000001    197704280001184
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (w-7-77-na.420_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197701010000001    197701010001361
    197701020000001    197701020001361
    197701030000001    197701030001361
    197701040000001    197701040001171
    197701050000001    197701050001171
    197701060000001    197701060001046
    197701070000001    197701070000576
    197701080000001    197701080000572
    197701090000001    197701090001361
    197701100000001    197701100001171
    197701110000001    197701110001171
    197701120000001    197701120000566
    197701130000001    197701130000496
    197701140000001    197701140000372
    197701150000001    197701150001361
    197701160000001    197701160000436
    197701170000001    197701170001576
    197701180000001    197701180001361
    197701190000001    197701190000461
    197701200000001    197701200000556
    197701210000001    197701210001551
    197701220000001    197701220000461
    197701230000001    197701230001346
    197701240000001    197701240000352
    197701250000001    197701250001326
    197701260000001    197701260001168
    197701270000001    197701270001316
    197701280000001    197701280001180
    197701290000001    197701290001316
    197701300000001    197701300000489
    197701310000001    197701310000486
    197702010000001    197702010000488
    197702020000001    197702020000486
    197702030000001    197702030001032
    197702040000001    197702040000368
    197702050000001    197702050000488
    197702060000001    197702060000348
    197702070000001    197702070000487
    197702080000001    197702080000488
    197702090000001    197702090000346
    197702100000001    197702100000397
    197702110000001    197702110000486
    197702120000001    197702120000346
    197702130000001    197702130000486
    197702140000001    197702140000488
    197702150000001    197702150000486
    197702160000001    197702160000494
    197702170000001    197702170000486
    197702180000001    197702180000346
    197702190000001    197702190000488
    197702200000001    197702200000488
    197702210000001    197702210000348
    197702220000001    197702220000346
    197702230000001    197702230000346
    197702240000001    197702240000348
    197702250000001    197702250000496
    197702260000001    197702260000456
    197702270000001    197702270001041
    197702280000001    197702280000486
    197703010000001    197703010001031
    197703020000001    197703020000346
    197703030000001    197703030000346
    197703040000001    197703040000346
    197703050000001    197703050000487
    197703060000001    197703060000352
    197703070000001    197703070000348
    197703080000001    197703080000186
    197703090000001    197703090001031
    197703100000001    197703100001176
    197703110000001    197703110001031
    197703120000001    197703120001032
    197703130000001    197703130001046
    197703140000001    197703140001032
    197703150000001    197703150000526
    197703160000001    197703160000494
    197703170000001    197703170000431
    197703180000001    197703180000373
    197703190000001    197703190000486
    197703200000001    197703200001031
    197703210000001    197703210000488
    197703220000001    197703220001031
    197703230000001    197703230000488
    197703240000001    197703240001186
    197703250000001    197703250001036
    197703260000001    197703260001032
    197703270000001    197703270001042
    197703280000001    197703280001041
    197703290000001    197703290001032
    197703300000001    197703300001032
    197703310000001    197703310000348
    197704010000001    197704010001032
    197704020000001    197704020000386
    197704030000001    197704030000486
    197704040000001    197704040000486
    197704050000001    197704050000486
    197704060000001    197704060000252
    197704070000001    197704070000346
    197704080000001    197704080000251
    197704090000001    197704090000346
    197704100000001    197704100001026
    197704110000001    197704110000486
    197704120000001    197704120001032
    197704130000001    197704130000488
    197704140000001    197704140001263
    197704150000001    197704150001118
    197704160000001    197704160001316
    197704170000001    197704170001192
    197704180000001    197704180000194
    197704190000001    197704190000446
    197704200000001    197704200000368
    197704210000001    197704210001030
    197704220000001    197704220000346
    197704230000001    197704230001030
    197704240000001    197704240000486
    197704250000001    197704250000488
    197704260000001    197704260001316
    197704270000001    197704270000348
    197704280000001    197704280001184
    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-7-77-NA data set <http://walrus.wr.usgs.gov/infobank/w/w777na/html/w-7-77-na.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: 6.5
Network links: <http://walrus.wr.usgs.gov/infobank/w/w777na/html/w-7-77-na.nav.html>

Data format: ASCII Size: 4.7
Network links: <http://walrus.wr.usgs.gov/infobank/w/w777na/html/w-7-77-na.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 08:53:54 2013