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What does this data set describe?

Title:
Geophysical data of field activity C-6-71-NP in North Pacific from 07/18/1971 to 08/17/1971
Abstract:
Geophysical data (bathymetry, gravity, magnetics) of field activity C-6-71-NP in North Pacific from 07/18/1971 to 08/17/1971, <http://walrus.wr.usgs.gov/infobank/c/c671np/html/c-6-71-np.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
magnetics

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/>, 20131029, Geophysical data of field activity C-6-71-NP in North Pacific from 07/18/1971 to 08/17/1971: 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: 162.62270
    East_Bounding_Coordinate: -166.61971
    North_Bounding_Coordinate: 61.42020
    South_Bounding_Coordinate: 52.05500

  3. What does it look like?

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

    Beginning_Date: 18-Jul-1971
    Ending_Date: 17-Aug-1971
    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: North Pacific
      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:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    Entity_and_Attribute_Overview:
    Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
    Entity_and_Attribute_Overview:
    Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.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: 19-Jan-1996 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.050;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    

    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>

    Date: 31-Oct-1998 (process 2 of 4)
    Gravity Data
    10/31/1998  /lion/c/c671np/grav/c-6-71-np.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.160;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    Input was...
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.050;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    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>

    Date: 20-Jun-2012 (process 3 of 4)
    Magnetics Data
    06/20/2012 carolyn c-6-71-np.220_050
    
    Reprocessed using subroutines from Susan Macmillan's
    IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
    with IGRF-11 coeffiecients integrated into the source code.
    /infobank/programs/mag/magred11/magred11.for
    Using geodetic coordinate system (Earth shape approximated by spheriod)
    with altitude 0.0 km (for sea level).
    
    Input was...
    10/31/1998  /lion/c/c671np/mag/c-6-71-np.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.200;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.050;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    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>

    Date: 31-Oct-1998 (process 4 of 4)
    Bathymetry Data
    10/31/1998  /lion/c/c671np/bath/c-6-71-np.300_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.300;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    Input was...
    Converted to time format with year at start.
    
    05/06/86 CLINT DUA0:[DATA.C671BS]C671BS.050;
    DRB0:[CLINT]80COL.EXE;
    from c1406.dat
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    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 (c-6-71-np.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107181228000    197108081728000
    197108081810000    197108091449000
    197108091520000    197108091520000
    197108091638000    197108101335000
    197108101426000    197108101426000
    197108101550000    197108111029000
    197108111056000    197108111056000
    197108111142000    197108112138000
    197108112304000    197108112304000
    197108112326000    197108121838000
    197108121934000    197108121934000
    197108122032000    197108131823000
    197108131846000    197108131846000
    197108131930000    197108141830000
    197108141940000    197108141940000
    197108142030000    197108151451000
    197108151512000    197108151512000
    197108151630000    197108160118000
    197108160336000    197108160336000
    197108160423000    197108170428000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-6-71-np.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107181230000    197107181310000
    197107181350000    197107190825000
    197107191215000    197107191545000
    197107191630000    197107192112000
    197107192145000    197107200100000
    197107200130000    197107200245000
    197107200315000    197107200515000
    197107200545000    197107200748000
    197107200820000    197107201045000
    197107201245000    197107201450000
    197107201515000    197107202143000
    197107202225000    197107210340000
    197107212000000    197107220129000
    197107220150000    197107221100000
    197107221430000    197107230230000
    197107230300000    197107230937000
    197107231430000    197107231525000
    197107231550000    197107231729000
    197107231750000    197107231750000
    197107231815000    197107240200000
    197107240230000    197107240329000
    197107240350000    197107241030000
    197107241100000    197107241248000
    197107241545000    197107250015000
    197107250045000    197107250515000
    197107250545000    197107250807000
    197107250845000    197107250945000
    197107251315000    197107251915000
    197107252000000    197107261030000
    197107261255000    197107261345000
    197107261415000    197107261658000
    197107261720000    197107270300000
    197107270330000    197107270345000
    197107270410000    197107270450000
    197107270515000    197107271352000
    197107271635000    197107271900000
    197107271945000    197107272115000
    197107272140000    197107280237000
    197107280300000    197107280945000
    197107281015000    197107281515000
    197107281810000    197107282058000
    197107282120000    197107282345000
    197107290008000    197107290220000
    197107290310000    197107290358000
    197107290425000    197107290950000
    197107291020000    197107291205000
    197107291415000    197107291430000
    197107291515000    197107292210000
    197107300035000    197107300050000
    197107300115000    197107300320000
    197107300450000    197107300730000
    197107300800000    197107301305000
    197107301550000    197107301740000
    197107301815000    197107302139000
    197107302200000    197107302222000
    197107302255000    197107310035000
    197107310300000    197107310645000
    197107310712000    197107311329000
    197107311350000    197107311542000
    197107311820000    197107311945000
    197107312010000    197107312058000
    197107312150000    197107312230000
    197107312255000    197108010030000
    197108010100000    197108010158000
    197108010415000    197108010508000
    197108010550000    197108010550000
    197108010615000    197108010700000
    197108010830000    197108011055000
    197108011345000    197108011809000
    197108011830000    197108020020000
    197108020225000    197108021124000
    197108021145000    197108021925000
    197108022215000    197108022259000
    197108022320000    197108030600000
    197108030630000    197108030929000
    197108030950000    197108031200000
    197108031650000    197108040800000
    197108041030000    197108041915000
    197108041945000    197108042030000
    197108042100000    197108051129000
    197108051525000    197108051853000
    197108051915000    197108060730000
    197108060800000    197108060930000
    197108061250000    197108070000000
    197108070030000    197108070359000
    197108070420000    197108070529000
    197108070550000    197108070914000
    197108070935000    197108071044000
    197108071105000    197108071417000
    197108071800000    197108080129000
    197108080150000    197108080329000
    197108080350000    197108081525000
    197108081835000    197108082258000
    197108082320000    197108090138000
    197108090200000    197108090329000
    197108090350000    197108090743000
    197108090805000    197108090959000
    197108091020000    197108091230000
    197108091305000    197108091429000
    197108091705000    197108091724000
    197108091745000    197108091929000
    197108091950000    197108092129000
    197108092220000    197108100155000
    197108100235000    197108100507000
    197108100530000    197108100612000
    197108100640000    197108100645000
    197108100710000    197108101045000
    197108101115000    197108101200000
    197108101230000    197108101315000
    197108101640000    197108102058000
    197108102130000    197108102330000
    197108110000000    197108110125000
    197108110150000    197108110315000
    197108110350000    197108110550000
    197108110620000    197108110815000
    197108110845000    197108110945000
    197108111007000    197108111027000
    197108111215000    197108111435000
    197108111500000    197108111645000
    197108111715000    197108112034000
    197108112055000    197108112055000
    197108112355000    197108120313000
    197108120335000    197108120448000
    197108120530000    197108121145000
    197108121215000    197108121350000
    197108121415000    197108121815000
    197108122055000    197108122140000
    197108122205000    197108130845000
    197108130915000    197108131410000
    197108131450000    197108131755000
    197108131950000    197108132030000
    197108132100000    197108132100000
    197108132130000    197108132255000
    197108132320000    197108140237000
    197108140300000    197108140545000
    197108140620000    197108140745000
    197108140815000    197108141100000
    197108141130000    197108141418000
    197108141440000    197108141650000
    197108141715000    197108141809000
    197108142050000    197108150448000
    197108150515000    197108151428000
    197108151650000    197108152205000
    197108152228000    197108160000000
    197108160440000    197108160830000
    197108160900000    197108161032000
    197108161100000    197108170415000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-6-71-np.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107181330000    197107190824000
    197107190836000    197107190854000
    197107191200000    197107201048000
    197107201230000    197107210354000
    197107211930000    197107221106000
    197107221412000    197107231030000
    197107231406000    197107241248000
    197107241524000    197107250948000
    197107251248000    197107261036000
    197107261236000    197107271354000
    197107271612000    197107281518000
    197107281736000    197107291212000
    197107291400000    197107301306000
    197107301530000    197107310036000
    197107310248000    197107311542000
    197107311812000    197108011100000
    197108011312000    197108020018000
    197108020230000    197108021930000
    197108022212000    197108031230000
    197108031630000    197108040800000
    197108041006000    197108051230000
    197108051512000    197108060942000
    197108061224000    197108071418000
    197108071748000    197108081524000
    197108081818000    197108091430000
    197108091642000    197108101312000
    197108101636000    197108111006000
    197108111148000    197108112036000
    197108112336000    197108121818000
    197108122042000    197108131806000
    197108131942000    197108141812000
    197108142042000    197108151430000
    197108151636000    197108152354000
    197108160430000    197108160613000
    197108160634000    197108170424000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-6-71-np.300_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107181230000    197107190848000
    197107191151000    197107201115000
    197107201230000    197107210400000
    197107211900000    197107221124000
    197107221415000    197107231027000
    197107231400000    197107241312000
    197107241512000    197107250948000
    197107251245000    197107261057000
    197107261109000    197107261127000
    197107261300000    197107271412000
    197107271600000    197107271718000
    197107271730000    197107281530000
    197107281800000    197107291206000
    197107291348000    197107292200000
    197107292212000    197107301324000
    197107301512000    197107310100000
    197107310242000    197107311606000
    197107311800000    197108011100000
    197108011300000    197108020042000
    197108020200000    197108021930000
    197108022206000    197108031230000
    197108031630000    197108040800000
    197108041000000    197108051230000
    197108051500000    197108061003000
    197108061215000    197108071439000
    197108071730000    197108071730000
    197108071745000    197108071745000
    197108071800000    197108081542000
    197108081812000    197108091430000
    197108091700000    197108101324000
    197108101612000    197108111024000
    197108111200000    197108112106000
    197108112330000    197108121830000
    197108122036000    197108131818000
    197108131930000    197108141830000
    197108142030000    197108151451000
    197108151630000    197108160118000
    197108160430000    197108170424000
    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 C-6-71-NP data set <http://walrus.wr.usgs.gov/infobank/c/c671np/html/c-6-71-np.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: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c671np/html/c-6-71-np.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c671np/html/c-6-71-np.grav.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/c/c671np/html/c-6-71-np.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/c/c671np/html/c-6-71-np.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-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 Tue Oct 29 08:02:14 2013