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What does this data set describe?

Title:
Geophysical data of field activity B-2-73-AR in Arctic from 08/19/1973 to 09/11/1973
Abstract:
United States Geological Survey, Menlo Park, California. Chief Scientist: Art Grantz. Geophysical data (airgunarcer, magnetics, gravity, bathymetry) of field activity B-2-73-AR in Arctic from 08/19/1973 to 09/11/1973, <http://walrus.wr.usgs.gov/infobank/b/b273ar/html/b-2-73-ar.meta.html>.
Supplemental_Information:

Equipment Used -
airgunarcer 160kj
magnetics
gravity
bathymetry
Publications -
Grantz, Arthur, McHendrie, A.G., Nilsen, T.H., and Yorath, C.J., 1974, Seismic
reflection profiles, 1973, on the continental shelf and slope between Bering
Strait and Barrow, Alaska, and Mackenzie Bay, Canada, 50 sheets,
scale 1:1,000,000., URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr741042>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr741042>
Additional publication information at:
<A HREF ="
<http://www.dggs.dnr.state.ak.us/pubs/id/11015>" target ="NEW"><http://www.dggs.dnr.state.ak.us/pubs/id/11015>

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 B-2-73-AR in Arctic from 08/19/1973 to 09/11/1973: 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: -171.75101
    East_Bounding_Coordinate: -136.62700
    North_Bounding_Coordinate: 72.36300
    South_Bounding_Coordinate: 66.29765

  3. What does it look like?

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

    Beginning_Date: 19-Aug-1973
    Ending_Date: 11-Sep-1973
    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: Arctic
      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:
    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?

    Art Grantz (Chief Scientist, USGS Western Region)

  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: 06-Dec-1995 (process 1 of 3)
    Navigation Data
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.B273AR.N]B273AR.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    

    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 3)
    Gravity Data
    10/31/1998  /lion/b/b273ar/grav/b-2-73-ar.165_052
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/07/86 BARB DUA0:[DATA.BARB.CSTAPES]B173AR.165;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.B273AR.N]B273AR.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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: 21-Jun-2012 (process 3 of 3)
    Magnetics Data
    06/21/2012 carolyn b-2-73-ar.260_052
    
    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/b/b273ar/mag/b-2-73-ar.240_052
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    02/28/86 CAROLYN DUA0:[DATA.B173AR.M]B173AR.240;
    DUA0:[DATA.B173AR.M]TEMP.EXE;
    was B173AR._.GRVMX2 on TAM009
    was B173AR900.DAT   on VAM009
    
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.B273AR.N]B273AR.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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:

    Other_Citation_Details:
    Grantz, Arthur, McHendrie, A.G., Nilsen, T.H., and Yorath, C.J., 1974, Seismic reflection profiles, 1973, on the continental shelf and slope between Bering Strait and Barrow, Alaska, and Mackenzie Bay, Canada, 50 sheets, scale 1:1,000,000., URL: <A HREF ="<http://pubs.er.usgs.gov/publication/ofr741042>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr741042> Additional publication information at: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/11015>" target ="NEW"><http://www.dggs.dnr.state.ak.us/pubs/id/11015>



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 (b-2-73-ar.052 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197308201934000    197308300342000
    197308300542000    197308300704000
    197308300920000    197308301606000
    197308301736000    197308301924000
    197308302050000    197308310136000
    197308310304000    197308310330000
    197308310730000    197308311020000
    197308311150000    197308311544000
    197308311728000    197308311914000
    197308312102000    197309010630000
    197309010926000    197309010926000
    197309011056000    197309011452000
    197309011614000    197309011925000
    197309012126000    197309022141000
    197309030030000    197309030030000
    197309030218000    197309031306000
    197309031438000    197309032256000
    197309040020000    197309040648000
    197309040836000    197309041356000
    197309041518000    197309060728000
    197309060907000    197309061500000
    197309062050000    197309070744000
    197309070930000    197309070930000
    197309071323000    197309072340000
    197309080134000    197309080213000
    197309080344000    197309080540000
    197309081254000    197309090224000
    197309090436000    197309090604000
    197309090748000    197309090816000
    197309090959000    197309091342000
    197309091530000    197309091948000
    197309092206000    197309092206000
    197309100010000    197309100322000
    197309100511000    197309100718000
    197309100846000    197309102008000
    197309102217000    197309110407000
    197309110546000    197309110608000
    197309110734000    197309111338000
    197309111510000    197309111528000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (b-2-73-ar.165_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197308201935000    197308202020000
    197308202040000    197308202040000
    197308202055000    197308202320000
    197308220025000    197308220415000
    197308220430000    197308220430000
    197308220440000    197308220720000
    197308220745000    197308220910000
    197308220950000    197308221105000
    197308221150000    197308221435000
    197308221445000    197308221620000
    197308221830000    197308221920000
    197308221955000    197308222015000
    197308222055000    197308222120000
    197308222140000    197308222315000
    197308222350000    197308230435000
    197308230500000    197308230700000
    197308231835000    197308232100000
    197308232120000    197308232210000
    197308240315000    197308241010000
    197308241020000    197308241300000
    197308241605000    197308241900000
    197308241910000    197308241935000
    197308241945000    197308241955000
    197308251100000    197308251245000
    197308251255000    197308251655000
    197308251705000    197308251720000
    197308251735000    197308251805000
    197308251815000    197308252110000
    197308252125000    197308252255000
    197308252315000    197308252340000
    197308260000000    197308261945000
    197308261955000    197308270815000
    197308270835000    197308270845000
    197308280105000    197308282125000
    197308282145000    197308290940000
    197308291000000    197308300015000
    197308300040000    197308301120000
    197308301140000    197308301315000
    197308301455000    197308302220000
    197308302230000    197308310205000
    197308310230000    197308310305000
    197308310740000    197308311005000
    197308311015000    197308311045000
    197308311055000    197308311410000
    197308311430000    197308311840000
    197308311905000    197308311935000
    197308312020000    197309010245000
    197309010355000    197309011115000
    197309011135000    197309011140000
    197309011215000    197309011245000
    197309011730000    197309021735000
    197309021745000    197309021840000
    197309021955000    197309022125000
    197309022145000    197309032355000
    197309040010000    197309041000000
    197309041855000    197309041900000
    197309041940000    197309041945000
    197309041955000    197309042130000
    197309042150000    197309042230000
    197309042305000    197309050620000
    197309051740000    197309052145000
    197309052230000    197309060905000
    197309060915000    197309061450000
    197309062020000    197309070740000
    197309071405000    197309071940000
    197309071950000    197309072025000
    197309072035000    197309072120000
    197309072130000    197309080540000
    197309081345000    197309090320000
    197309090330000    197309091040000
    197309091130000    197309091600000
    197309091655000    197309100845000
    197309101045000    197309111340000
    197309111355000    197309111520000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (b-2-73-ar.260_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197308201940000    197308202015000
    197308251710000    197308251720000
    197308251735000    197308251735000
    197308251745000    197308251805000
    197308251825000    197308251825000
    197308251835000    197308252005000
    197308252015000    197308252040000
    197308252050000    197308252100000
    197308252110000    197308252110000
    197308252130000    197308252245000
    197308252255000    197308252255000
    197308252320000    197308252340000
    197308260005000    197308260250000
    197308260300000    197308260305000
    197308260315000    197308260555000
    197308260605000    197308260845000
    197308260855000    197308261155000
    197308261205000    197308261205000
    197308261215000    197308261220000
    197308261230000    197308261300000
    197308261310000    197308261310000
    197308261320000    197308261500000
    197308261510000    197308261745000
    197308261755000    197308261800000
    197308261820000    197308261945000
    197308262000000    197308262015000
    197308262025000    197308262025000
    197308262035000    197308262035000
    197308262055000    197308262350000
    197308270000000    197308270645000
    197308270700000    197308270715000
    197308270730000    197308270800000
    197308270810000    197308270815000
    197308270840000    197308270845000
    197308280105000    197308281450000
    197308281505000    197308281830000
    197308281840000    197308282125000
    197308282150000    197308290940000
    197308291005000    197308291140000
    197308291150000    197308291915000
    197308291925000    197308292130000
    197308292140000    197308292145000
    197308292155000    197308292205000
    197308292215000    197308300015000
    197308300040000    197308300845000
    197308300855000    197308300910000
    197308300920000    197308300945000
    197308300955000    197308301040000
    197308301050000    197308301120000
    197308301140000    197308301315000
    197308301455000    197308301605000
    197308301615000    197308301635000
    197308301645000    197308301735000
    197308301745000    197308301750000
    197308301800000    197308301830000
    197308301950000    197308302205000
    197308302215000    197308302220000
    197308302235000    197308302240000
    197308302250000    197308302255000
    197308302305000    197308302320000
    197308302335000    197308310205000
    197308310235000    197308310305000
    197308310740000    197308310810000
    197308310820000    197308310840000
    197308310850000    197308311005000
    197308311015000    197308311040000
    197308311055000    197308311255000
    197308311305000    197308311355000
    197308311405000    197308311410000
    197308311435000    197308311435000
    197308311445000    197308311615000
    197308311625000    197308311840000
    197309010210000    197309010245000
    197309010400000    197309011015000
    197309011025000    197309011040000
    197309011100000    197309011115000
    197309011135000    197309011140000
    197309011215000    197309011245000
    197309011730000    197309020250000
    197309020300000    197309020350000
    197309020400000    197309020510000
    197309020520000    197309020520000
    197309020530000    197309020535000
    197309020550000    197309020550000
    197309020605000    197309020630000
    197309020640000    197309021515000
    197309021525000    197309021540000
    197309021550000    197309021550000
    197309021610000    197309021645000
    197309021700000    197309021735000
    197309021745000    197309021840000
    197309022000000    197309022030000
    197309022040000    197309022125000
    197309022145000    197309022325000
    197309022335000    197309030110000
    197309030120000    197309030255000
    197309030305000    197309030330000
    197309030340000    197309030540000
    197309050235000    197309050235000
    197309050245000    197309050315000
    197309050325000    197309050405000
    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 B-2-73-AR data set <http://walrus.wr.usgs.gov/infobank/b/b273ar/html/b-2-73-ar.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: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/b/b273ar/html/b-2-73-ar.nav.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/b/b273ar/html/b-2-73-ar.grav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/b/b273ar/html/b-2-73-ar.mag.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>)


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