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What does this data set describe?

Title:
Data of field activity C-6-74-IN in Indian Ocean from 04/17/1974 to 05/14/1974
Abstract:
Chief Scientist: A. Be. Data (bathymetry, gravity, magnetics, navigation) of field activity C-6-74-IN in Indian Ocean from 04/17/1974 to 05/14/1974, <http://walrus.wr.usgs.gov/infobank/c/c674in/html/c-6-74-in.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry data directory exists
gravity data directory exists
magnetics data directory exists
navigation data directory exists
Notes -
Durban, South Africa--> Port Louis, Mauritius

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, Data of field activity C-6-74-IN in Indian Ocean from 04/17/1974 to 05/14/1974: 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: 31.30780
    East_Bounding_Coordinate: 71.04000
    North_Bounding_Coordinate: -12.26780
    South_Bounding_Coordinate: -32.65150

  3. What does it look like?

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

    Beginning_Date: 17-Apr-1974
    Ending_Date: 14-May-1974
    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: Indian Ocean
      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?

    A. Be (Chief Scientist)

  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: 14-Dec-1999 (process 1 of 4)
    Navigation Data
    01/30/1998 clint c-6-74-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    

    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: 02-Nov-2000 (process 2 of 4)
    Gravity Data
    10/31/1998  /lion/c/c674in/grav/c-6-74-in.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-6-74-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint c-6-74-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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-6-74-in.221_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/magred1111/magred1111.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/c674in/mag/c-6-74-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint c-6-74-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint c-6-74-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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/c674in/bath/c-6-74-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-6-74-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint c-6-74-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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-6-74-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197404171300000    197405021910000
    197405022048000    197405022048000
    197405022244000    197405022244000
    197405022330000    197405031606000
    197405031748000    197405031748000
    197405031820000    197405031820000
    197405031956000    197405031956000
    197405032025000    197405041025000
    197405041215000    197405041755000
    197405041920000    197405041920000
    197405042023000    197405051019000
    197405051153000    197405051836000
    197405051956000    197405051956000
    197405052142000    197405052142000
    197405052311000    197405061416000
    197405061538000    197405061538000
    197405061618000    197405061618000
    197405061900000    197405071721000
    197405071838000    197405071838000
    197405071950000    197405071950000
    197405072118000    197405081639000
    197405081918000    197405082208000
    197405090006000    197405090825000
    197405090950000    197405090950000
    197405091330000    197405091924000
    197405092004000    197405092004000
    197405092132000    197405092132000
    197405092253000    197405101158000
    197405101526000    197405101526000
    197405101642000    197405101820000
    197405101925000    197405101942000
    197405102036000    197405102105000
    197405102220000    197405111020000
    197405111256000    197405111256000
    197405111444000    197405112130000
    197405112152000    197405112152000
    197405120006000    197405121330000
    197405121353000    197405121358000
    197405121454000    197405121454000
    197405121602000    197405121602000
    197405121822000    197405122336000
    197405130042000    197405131418000
    197405131532000    197405131532000
    197405131630000    197405140550000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-6-74-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197404171830000    197404172040000
    197404172310000    197404181300000
    197404181610000    197404181940000
    197404181951000    197404190500000
    197404190520000    197404191010000
    197404191500000    197404191500000
    197404191540000    197404192350000
    197404200200000    197404201400000
    197404202020000    197404202340000
    197404210000000    197404210000000
    197404210110000    197404211320000
    197404212020000    197404212210000
    197404212230000    197404212340000
    197404220000000    197404220150000
    197404220210000    197404220230000
    197404220300000    197404221600000
    197404222030000    197404222100000
    197404222120000    197404230330000
    197404230350000    197404230940000
    197404231200000    197404231300000
    197404231330000    197404231750000
    197404232140000    197404240940000
    197404241200000    197404241240000
    197404241300000    197404241810000
    197404242240000    197404251300000
    197404251600000    197404261010000
    197404261030000    197404261100000
    197404261540000    197404261900000
    197404262230000    197404270300000
    197404270320000    197404271240000
    197404271630000    197404271900000
    197404272150000    197404281030000
    197404281340000    197404281540000
    197404282030000    197404282100000
    197404282120000    197404290000000
    197404290110000    197404291520000
    197404292010000    197404292150000
    197404292210000    197404292250000
    197404292330000    197404300930000
    197404300950000    197404301000000
    197404301320000    197404301850000
    197405010020000    197405010940000
    197405011000000    197405011510000
    197405011530000    197405011730000
    197405020000000    197405020240000
    197405020300000    197405021700000
    197405030000000    197405030920000
    197405030940000    197405031540000
    197405032050000    197405040620000
    197405040710000    197405040750000
    197405041230000    197405041730000
    197405042050000    197405050130000
    197405050230000    197405051000000
    197405051200000    197405051210000
    197405051240000    197405051410000
    197405051430000    197405051820000
    197405052320000    197405060230000
    197405060300000    197405061350000
    197405061920000    197405062340000
    197405070000000    197405070500000
    197405070540000    197405071610000
    197405072120000    197405072300000
    197405072330000    197405080800000
    197405080830000    197405081100000
    197405081120000    197405081620000
    197405081940000    197405082200000
    197405090030000    197405090730000
    197405091410000    197405091900000
    197405092310000    197405100800000
    197405100830000    197405101050000
    197405101650000    197405101800000
    197405102230000    197405110210000
    197405110240000    197405110350000
    197405110410000    197405111000000
    197405111510000    197405112130000
    197405120010000    197405121300000
    197405121830000    197405122330000
    197405130100000    197405131400000
    197405131700000    197405132205000
    197405132220000    197405140550000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-6-74-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197404171305000    197404172015000
    197404172300000    197404181030000
    197404181036000    197404181036000
    197404181042000    197404181042000
    197404181048000    197404181200000
    197404181600000    197404191030000
    197404191525000    197404192330000
    197404200145000    197404201415000
    197404202000000    197404210000000
    197404210105000    197404211300000
    197404212010000    197404221450000
    197404221500000    197404221600000
    197404222100000    197404230910000
    197404231140000    197404231750000
    197404232130000    197404240820000
    197404240830000    197404241015000
    197404241200000    197404241220000
    197404241235000    197404241345000
    197404241405000    197404241800000
    197404242230000    197404251300000
    197404251540000    197404260515000
    197404260540000    197404261100000
    197404261510000    197404261900000
    197404262200000    197404262220000
    197404262230000    197404271300000
    197404271610000    197404271900000
    197404272125000    197404280600000
    197404280800000    197404281020000
    197404281325000    197404281530000
    197404282030000    197404290000000
    197404290105000    197404291500000
    197404291530000    197404291530000
    197404292035000    197404301055000
    197404301310000    197404301854000
    197404302330000    197405011525000
    197405011600000    197405011735000
    197405012340000    197405021700000
    197405022335000    197405030520000
    197405030530000    197405031420000
    197405031430000    197405031545000
    197405032030000    197405040945000
    197405041215000    197405041735000
    197405042025000    197405042215000
    197405042221000    197405050550000
    197405050600000    197405051000000
    197405051200000    197405051820000
    197405052320000    197405061355000
    197405061905000    197405071610000
    197405072120000    197405081620000
    197405081925000    197405082100000
    197405090010000    197405090805000
    197405091340000    197405091905000
    197405092300000    197405100820000
    197405100830000    197405101120000
    197405101650000    197405101805000
    197405102225000    197405111000000
    197405111510000    197405112110000
    197405120010000    197405121330000
    197405121825000    197405122300000
    197405130100000    197405131400000
    197405131710000    197405140530000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-6-74-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197404171500000    197404171800000
    197404171812000    197404172042000
    197404172300000    197404181330000
    197404181530000    197404191100000
    197404191530000    197404192330000
    197404200138000    197404201442000
    197404201954000    197404210000000
    197404210106000    197404211300000
    197404212000000    197404221618000
    197404222100000    197404230930000
    197404231136000    197404231148000
    197404231200000    197404231730000
    197404232130000    197404241030000
    197404241136000    197404241800000
    197404242230000    197404251324000
    197404251600000    197404261124000
    197404261500000    197404261900000
    197404262206000    197404271312000
    197404271606000    197404271900000
    197404272130000    197404281100000
    197404281300000    197404281300000
    197404281318000    197404281554000
    197404282024000    197404290000000
    197404290106000    197404291148000
    197404291200000    197404291518000
    197404292030000    197404301124000
    197404301300000    197404301854000
    197404302330000    197405011718000
    197405012324000    197405021730000
    197405022330000    197405031606000
    197405032030000    197405041024000
    197405041218000    197405041742000
    197405042024000    197405051018000
    197405051154000    197405051836000
    197405052312000    197405061406000
    197405061900000    197405071718000
    197405072118000    197405081312000
    197405081324000    197405081630000
    197405081918000    197405082100000
    197405090006000    197405090824000
    197405091330000    197405091924000
    197405092300000    197405092318000
    197405092329000    197405101124000
    197405101642000    197405101800000
    197405102230000    197405111018000
    197405111500000    197405112130000
    197405120006000    197405121330000
    197405121824000    197405122336000
    197405130042000    197405131418000
    197405131630000    197405140530000
    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-6-74-IN data set <http://walrus.wr.usgs.gov/infobank/c/c674in/html/c-6-74-in.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: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/c/c674in/html/c-6-74-in.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c674in/html/c-6-74-in.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c674in/html/c-6-74-in.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c674in/html/c-6-74-in.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 08:02:15 2013