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What does this data set describe?

Title:
Geophysical data of field activity C-16-69-IN in Colombo, Ceylon to Singapore, Malaysia from 05/08/1969 to 05/26/1969
Abstract:
Lamont-Doherty Earth Observatory. Chief Scientist: R. Leyden. Geophysical data (transitsatellite, magnetics, gravity, airgun, 3dot5khz, 12khz) of field activity C-16-69-IN in Colombo, Ceylon to Singapore, Malaysia from 05/08/1969 to 05/26/1969, <http://walrus.wr.usgs.gov/infobank/c/c1669in/html/c-16-69-in.meta.html>.
Supplemental_Information:

Equipment Used -
transitsatellite
magnetics l-DGO Mfg. Proton-Precession magnetometer
gravity Anschutz Electrictable, Askania GSS2-6 gravity
airgun l-DGO 25 cu-in-airgun
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
Notes -
Lamont-Doherty
<http://www.ldeo.columbia.edu/>

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-16-69-IN in Colombo, Ceylon to Singapore, Malaysia from 05/08/1969 to 05/26/1969: 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: 78.00000
    East_Bounding_Coordinate: 104.00000
    North_Bounding_Coordinate: 16.00000
    South_Bounding_Coordinate: 1.00000

  3. What does it look like?

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

    Beginning_Date: 08-May-1969
    Ending_Date: 26-May-1969
    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: Colombo, Ceylon to Singapore, Malaysia
      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?

    R. Leyden (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: 30-Jan-1998 (process 1 of 4)
    Navigation Data
    01/30/1998 clint c-16-69-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: 31-Oct-1998 (process 2 of 4)
    Gravity Data
    10/31/1998  /lion/c/c1669in/grav/c-16-69-in.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-16-69-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint c-16-69-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-16-69-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/c1669in/mag/c-16-69-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint c-16-69-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint c-16-69-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/c1669in/bath/c-16-69-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-16-69-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint c-16-69-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-16-69-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196905081954000    196905092342000
    196905100100000    196905100100000
    196905100406000    196905101324000
    196905101500000    196905101500000
    196905101530000    196905101530000
    196905101554000    196905111530000
    196905111600000    196905111600000
    196905111630000    196905111630000
    196905111700000    196905111700000
    196905111730000    196905111730000
    196905111800000    196905111800000
    196905111812000    196905111812000
    196905111830000    196905122100000
    196905122124000    196905122124000
    196905130000000    196905130009000
    196905130022000    196905141612000
    196905141630000    196905141630000
    196905141700000    196905141700000
    196905141730000    196905141730000
    196905141800000    196905141800000
    196905141830000    196905141830000
    196905141854000    196905150012000
    196905150030000    196905150030000
    196905150100000    196905150100000
    196905150130000    196905150130000
    196905150200000    196905150200000
    196905150224000    196905160030000
    196905160100000    196905160100000
    196905160130000    196905160130000
    196905160200000    196905161806000
    196905161818000    196905161830000
    196905161900000    196905161900000
    196905162024000    196905162024000
    196905162036000    196905191024000
    196905191224000    196905200148000
    196905200334000    196905201336000
    196905201534000    196905201537000
    196905201548000    196905211000000
    196905211145000    196905211912000
    196905212112000    196905212112000
    196905212136000    196905221100000
    196905221112000    196905221112000
    196905221130000    196905221136000
    196905221230000    196905240418000
    196905240520000    196905260006000
    196905260037000    196905261000000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-16-69-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196905082000000    196905082050000
    196905082112000    196905082300000
    196905090440000    196905090900000
    196905090930000    196905091200000
    196905091630000    196905092053000
    196905092115000    196905092318000
    196905100430000    196905100520000
    196905100645000    196905100745000
    196905100845000    196905101300000
    196905101620000    196905101638000
    196905101700000    196905101854000
    196905101915000    196905102100000
    196905102130000    196905110045000
    196905110230000    196905110300000
    196905110430000    196905110821000
    196905110845000    196905111500000
    196905111920000    196905120300000
    196905120500000    196905121515000
    196905121545000    196905121930000
    196905122000000    196905122100000
    196905130130000    196905130315000
    196905130500000    196905130830000
    196905130900000    196905131134000
    196905131200000    196905131748000
    196905131850000    196905132010000
    196905132045000    196905132315000
    196905132352000    196905140345000
    196905140420000    196905141430000
    196905141515000    196905141547000
    196905141950000    196905142257000
    196905150300000    196905150408000
    196905150430000    196905151530000
    196905151600000    196905152000000
    196905160345000    196905161745000
    196905162130000    196905172045000
    196905172115000    196905180100000
    196905180123000    196905180123000
    196905180145000    196905180415000
    196905180445000    196905180648000
    196905180710000    196905180835000
    196905180900000    196905181018000
    196905181105000    196905181400000
    196905181430000    196905190235000
    196905190300000    196905191000000
    196905191330000    196905192024000
    196905192100000    196905200033000
    196905200100000    196905200145000
    196905200445000    196905201320000
    196905201620000    196905210224000
    196905210310000    196905210935000
    196905211215000    196905211836000
    196905212150000    196905220942000
    196905221350000    196905221430000
    196905221510000    196905221915000
    196905222000000    196905222112000
    196905222145000    196905231912000
    196905231935000    196905232200000
    196905232240000    196905240400000
    196905240520000    196905240739000
    196905240815000    196905241410000
    196905241435000    196905242025000
    196905242100000    196905242330000
    196905242352000    196905250145000
    196905250210000    196905251600000
    196905251625000    196905251700000
    196905251730000    196905252042000
    196905252105000    196905252140000
    196905252210000    196905252330000
    196905260000000    196905260000000
    196905260050000    196905260305000
    196905260327000    196905260600000
    196905260625000    196905260827000
    196905260900000    196905260945000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-16-69-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196905082000000    196905082300000
    196905090420000    196905092324000
    196905100420000    196905101300000
    196905101600000    196905111500000
    196905111843000    196905122100000
    196905130100000    196905141600000
    196905141930000    196905142354000
    196905150300000    196905151015000
    196905151036000    196905160006000
    196905160312000    196905161748000
    196905162100000    196905181400000
    196905181448000    196905190100000
    196905190148000    196905191000000
    196905191312000    196905192024000
    196905200430000    196905201318000
    196905201600000    196905210936000
    196905211200000    196905211836000
    196905212136000    196905221030000
    196905221330000    196905232200000
    196905232318000    196905240418000
    196905240524000    196905260006000
    196905260042000    196905260824000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-16-69-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196905082000000    196905082336000
    196905090000000    196905090000000
    196905090030000    196905090030000
    196905090100000    196905090100000
    196905090130000    196905090130000
    196905090200000    196905090200000
    196905090230000    196905090230000
    196905090300000    196905090300000
    196905090400000    196905092342000
    196905100406000    196905101324000
    196905101500000    196905101500000
    196905101530000    196905101530000
    196905101600000    196905111530000
    196905111600000    196905111600000
    196905111630000    196905111630000
    196905111700000    196905111700000
    196905111730000    196905111730000
    196905111800000    196905111800000
    196905111830000    196905122100000
    196905130000000    196905130000000
    196905130030000    196905141612000
    196905141630000    196905141630000
    196905141700000    196905141700000
    196905141730000    196905141730000
    196905141800000    196905141800000
    196905141830000    196905141830000
    196905141854000    196905150012000
    196905150030000    196905150030000
    196905150100000    196905150100000
    196905150130000    196905150130000
    196905150200000    196905150200000
    196905150224000    196905160030000
    196905160100000    196905160100000
    196905160130000    196905160130000
    196905160200000    196905161806000
    196905161818000    196905161830000
    196905161900000    196905161900000
    196905162036000    196905191024000
    196905191224000    196905200142000
    196905200336000    196905201336000
    196905201548000    196905211000000
    196905211200000    196905211912000
    196905212136000    196905221024000
    196905221036000    196905221100000
    196905221130000    196905221130000
    196905221230000    196905240418000
    196905240524000    196905260006000
    196905260042000    196905261000000
    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-16-69-IN data set <http://walrus.wr.usgs.gov/infobank/c/c1669in/html/c-16-69-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: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c1669in/html/c-16-69-in.nav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/c/c1669in/html/c-16-69-in.grav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c1669in/html/c-16-69-in.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c1669in/html/c-16-69-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 08:01:54 2013