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What does this data set describe?

Title:
Geophysical data of field activity UGEOLEG_3 (U-3-71-CB) in Eastern Greater Antilles, Caribbean from 07/17/1971 to 08/04/1971
Abstract:
United States Geological Survey, Corpus Christi, Texas. Chief Scientist: Louis Garrison. Geophysical data (bathymetry, gravity, magnetics) of field activity UGEOLEG_3 (U-3-71-CB) in Eastern Greater Antilles, Caribbean from 07/17/1971 to 08/04/1971, <http://walrus.wr.usgs.gov/infobank/u/u371cb/html/u-3-71-cb.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity shipboard gravity
magnetics
Publications -
Garrison, L.E., 1972, Acoustic Reflection Profiles, Eastern Greater Antilles, International Decade of Ocean Exploration, U.S. Geological Survey, Leg 3, 1971 Cruise, Unitedgeo I, USGS-GD-72-004 (see Analog materials list)
<HR>
Garrison, Louis E., Cooper, Alan K., Hijmans, Martin, Marlow, Michael S., Patrick, Robert A.,
Trumbull, James V. A., Martin, Ray G., Immel, Robert L., and Hill, Trevor, 1972, USGS-IDOE Leg 3:
Geotimes, v. 17, no. 3, p. 14-15. <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 UGEOLEG_3 (U-3-71-CB) in Eastern Greater Antilles, Caribbean from 07/17/1971 to 08/04/1971: 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: -68.99670
    East_Bounding_Coordinate: -58.58530
    North_Bounding_Coordinate: 30.28710
    South_Bounding_Coordinate: 15.37500

  3. What does it look like?

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

    Beginning_Date: 17-Jul-1971
    Ending_Date: 04-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: Eastern Greater Antilles, Caribbean
      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?

    Louis Garrison (Chief Scientist, USGS Corpus Christi); Jim Trumbull (Scientist, USGS); Mike Marlow (Scientist, USGS Western Region); R.G. Martin (Scientist, USGS); Alan Cooper (Scientist, USGS Western Region); R.L. Immel (Scientist, USGS); Bob Patrick (Scientist, USGS Western Region); M. Hijmans (Scientist, USGS)

  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: 15-Dec-1995 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.U371CB.N]U371CB.050;
    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 4)
    Gravity Data
    10/31/1998  /tiger/u/u371cb/grav/u-3-71-cb.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/07/86 BARB DUA0:[DATA.U371CB]U371CB.160
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.U371CB.N]U371CB.050;
    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: 20-Jun-2012 (process 3 of 4)
    Magnetics Data
    06/20/2012 carolyn u-3-71-cb.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  /tiger/u/u371cb/mag/u-3-71-cb.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    03/10/86 CAROLYN DRS$DATA:[U371CB.M]U371CB.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    was U371CB.220 on 71BKUP
    
    03/22/85 CAROLYN USR$DISK:[DRS.DATA.U3.M]U371CB.220;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.U371CB.N]U371CB.050;
    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: 31-Oct-1998 (process 4 of 4)
    Bathymetry Data
    10/31/1998  /tiger/u/u371cb/bath/u-3-71-cb.325_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/07/86 BECKIE DUA0:[DATA.U371CB]U371CB.325;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    02/11/86 KAYE DUA0:[DATA.U371CB.N]U371CB.050;
    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:
    Garrison, L.E., 1972, Acoustic Reflection Profiles, Eastern Greater Antilles, International Decade of Ocean Exploration, U.S. Geological Survey, Leg 3, 1971 Cruise, Unitedgeo I, USGS-GD-72-004 (see Analog materials list) Garrison, Louis E., Cooper, Alan K., Hijmans, Martin, Marlow, Michael S., Patrick, Robert A., Trumbull, James V. A., Martin, Ray G., Immel, Robert L., and Hill, Trevor, 1972, USGS-IDOE Leg 3: Geotimes, v. 17, no. 3, p. 14-15.



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 (u-3-71-cb.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107171951420    197107220230000
    197107220240000    197107220240000
    197107220250000    197107220250000
    197107220300000    197107220300000
    197107220310000    197107220310000
    197107220320000    197107220320000
    197107220330000    197107220330000
    197107220340000    197107220340000
    197107220350000    197107220350000
    197107220400000    197107220400000
    197107220410000    197107220410000
    197107220420000    197107220420000
    197107220430000    197107220430000
    197107220440000    197107220838000
    197107221805000    197107221915000
    197107222302000    197107222302000
    197107222310000    197107222310000
    197107222320000    197107222320000
    197107222330000    197107240744000
    197107241420000    197107291625000
    197107291655000    197108010545000
    197108010555000    197108040600000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (u-3-71-cb.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107171955000    197107172000000
    197107172010000    197107180825000
    197107180835000    197107190410000
    197107190425000    197107190740000
    197107190750000    197107201225000
    197107201235000    197107201250000
    197107201300000    197107201510000
    197107201525000    197107202355000
    197107210005000    197107220230000
    197107220440000    197107220835000
    197107221805000    197107221915000
    197107222330000    197107230945000
    197107231005000    197107232125000
    197107232140000    197107240740000
    197107241420000    197107242225000
    197107242235000    197107250840000
    197107250850000    197107261610000
    197107261620000    197107261935000
    197107261955000    197107262055000
    197107262105000    197107280000000
    197107280010000    197107280700000
    197107280720000    197107281735000
    197107281745000    197107291445000
    197107291455000    197107291625000
    197107291655000    197107291715000
    197107291725000    197107291835000
    197107291855000    197107310615000
    197107310630000    197107311145000
    197107311155000    197108010545000
    197108010555000    197108011725000
    197108011830000    197108030130000
    197108030140000    197108030545000
    197108030610000    197108030955000
    197108031005000    197108040600000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (u-3-71-cb.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107171951420    197107172012180
    197107172022360    197107172022360
    197107172103060    197107172108000
    197107172114480    197107172335360
    197107172342360    197107180000420
    197107180259480    197107180259480
    197107180307480    197107202016300
    197107202022480    197107210748420
    197107230116060    197107240510420
    197107240519000    197107240743240
    197107242253000    197107251541540
    197107251550060    197107251550060
    197107251556180    197107271649000
    197107271656360    197107290033000
    197107290039120    197107291616360
    197107291720000    197107292355000
    197107300130120    197107300226540
    197107300232060    197107300308480
    197107300314000    197107300406180
    197107300424000    197107300534180
    197107300540540    197107300708300
    197107300714360    197107300737480
    197107300744000    197107300822480
    197107300828540    197107301157300
    197107301203360    197107301521360
    197107301527420    197107301539540
    197107301548060    197107301628480
    197107301639000    197107301705360
    197107301711420    197107301930000
    197107301942180    197107302004540
    197107302010000    197107302125240
    197107302131000    197107302135060
    197107302141120    197107310014540
    197107310021060    197107310035240
    197107310041360    197107310133060
    197107310139120    197107310151300
    197107310158120    197107310321540
    197107310328060    197107310810120
    197107310818240    197107310818240
    197107310824300    197107310853060
    197107310901180    197107310932000
    197107310938000    197107311242300
    197107311250360    197107311300540
    197107311307000    197107311311060
    197107311317120    197107311337360
    197107311343480    197107311652000
    197107311658120    197107311815540
    197107311840420    197107311840420
    197107311851180    197107311851180
    197108010658360    197108010719060
    197108010725060    197108010727000
    197108010733000    197108010911420
    197108010917120    197108010919120
    197108010925120    197108011244540
    197108011250540    197108011445060
    197108011451060    197108011721180
    197108011727180    197108011833300
    197108011839300    197108012225420
    197108012231420    197108020518240
    197108020524240    197108020618060
    197108020624060    197108021048060
    197108021054000    197108021159180
    197108021205180    197108021421420
    197108021431360    197108021453180
    197108021459120    197108021546360
    197108021554300    197108021639540
    197108021645480    197108021814300
    197108021905060    197108031042240
    197108031048120    197108031304300
    197108031310240    197108031331480
    197108031339360    197108031339360
    197108031345240    197108031523120
    197108031531000    197108031908480
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (u-3-71-cb.325_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197107172000000    197107182200000
    197107182225000    197107200400000
    197107200420000    197107212220000
    197107212231000    197107212310000
    197107212321000    197107220838000
    197107222302000    197107240744000
    197107241952000    197107251330000
    197107251350000    197107260530000
    197107260541000    197107261700000
    197107262007000    197107271150000
    197107271201000    197107272240000
    197107272257000    197107280000000
    197107280101000    197107280220000
    197107280231000    197107281350000
    197107281401000    197107281430000
    197107281450000    197107281500000
    197107281530000    197107282100000
    197107282120000    197107290210000
    197107290240000    197107291600000
    197107291730000    197107300459000
    197107300510000    197107300510000
    197107300521000    197107300521000
    197107300638000    197107301520000
    197107301600000    197107302130000
    197107302150000    197107302310000
    197107302338000    197107310430000
    197107310801000    197107311120000
    197107311145000    197108010050000
    197108010104000    197108010540000
    197108010600000    197108010720000
    197108010734000    197108011730000
    197108011830000    197108012150000
    197108012210000    197108021600000
    197108021630000    197108021800000
    197108021900000    197108022330000
    197108022350000    197108030020000
    197108030031000    197108030320000
    197108030335000    197108030820000
    197108030831000    197108030844000
    197108030908000    197108030908000
    197108030920000    197108040320000
    197108040332000    197108040600000
    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 UGEOLEG_3 (U-3-71-CB) data set <http://walrus.wr.usgs.gov/infobank/u/u371cb/html/u-3-71-cb.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: 0.5
Network links: <http://walrus.wr.usgs.gov/infobank/u/u371cb/html/u-3-71-cb.nav.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/u/u371cb/html/u-3-71-cb.grav.html>

Data format: ASCII Size: 0.6
Network links: <http://walrus.wr.usgs.gov/infobank/u/u371cb/html/u-3-71-cb.mag.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/u/u371cb/html/u-3-71-cb.bath.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>)


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