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What does this data set describe?

Title:
Geophysical data of field activity C-9-74-IN in Colombo, Ceylon--> Singapore, Malaya from 07/27/1974 to 08/11/1974
Abstract:
Chief Scientist: B. Naini. Geophysical data (transitsatellite, 3dot5khz, magnetics, gravity) of field activity C-9-74-IN in Colombo, Ceylon--> Singapore, Malaya from 07/27/1974 to 08/11/1974, <http://walrus.wr.usgs.gov/infobank/c/c974in/html/c-9-74-in.meta.html>.
Supplemental_Information:

Equipment Used -
transitsatellite
3dot5khz 3.5 khz bathymetry
magnetics magnetometer
gravity
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-9-74-IN in Colombo, Ceylon--> Singapore, Malaya from 07/27/1974 to 08/11/1974: 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: 79.00000
    East_Bounding_Coordinate: 104.00000
    North_Bounding_Coordinate: 10.00000
    South_Bounding_Coordinate: -6.00000

  3. What does it look like?

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

    Beginning_Date: 27-Jul-1974
    Ending_Date: 11-Aug-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: Colombo, Ceylon--> Singapore, Malaya
      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?

    B. Naini (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-9-74-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: 31-Oct-1998 (process 2 of 4)
    Gravity Data
    10/31/1998  /lion/c/c974in/grav/c-9-74-in.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-9-74-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint c-9-74-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-9-74-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/c974in/mag/c-9-74-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint c-9-74-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint c-9-74-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/c974in/bath/c-9-74-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-9-74-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint c-9-74-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-9-74-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197407271430000    197408110030000
    197408110135000    197408112200000
    197408112230000    197408112230000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-9-74-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197407271440000    197407271550000
    197407271620000    197407272320000
    197407272340000    197407280320000
    197407280340000    197407280550000
    197407280610000    197407280620000
    197407280700000    197407280730000
    197407280810000    197407281320000
    197407281340000    197407281400000
    197407281450000    197407290550000
    197407290610000    197407290910000
    197407290940000    197407291040000
    197407291054000    197407300310000
    197407300410000    197407300550000
    197407300650000    197407301240000
    197407301310000    197407301450000
    197407301510000    197407301530000
    197407301550000    197407302240000
    197407302300000    197407310840000
    197407310940000    197407312320000
    197407312340000    197407312340000
    197408010010000    197408010040000
    197408010100000    197408010740000
    197408010930000    197408011130000
    197408011210000    197408011240000
    197408011310000    197408012010000
    197408012030000    197408021100000
    197408021130000    197408021540000
    197408021620000    197408030610000
    197408030640000    197408031400000
    197408031430000    197408031540000
    197408031600000    197408031620000
    197408031700000    197408031920000
    197408031940000    197408040700000
    197408040800000    197408042100000
    197408042120000    197408042340000
    197408050000000    197408050300000
    197408050500000    197408051200000
    197408051430000    197408051730000
    197408051750000    197408061700000
    197408061720000    197408071830000
    197408072120000    197408080030000
    197408080050000    197408080340000
    197408080410000    197408081000000
    197408081020000    197408081040000
    197408081620000    197408082030000
    197408082050000    197408082120000
    197408082150000    197408090930000
    197408091230000    197408091500000
    197408091520000    197408091610000
    197408091630000    197408091730000
    197408091750000    197408101420000
    197408101450000    197408101530000
    197408101550000    197408102200000
    197408102230000    197408102230000
    197408102250000    197408110030000
    197408110140000    197408110210000
    197408110300000    197408111150000
    197408111210000    197408112150000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-9-74-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197407271616000    197407280925000
    197407281000000    197408031500000
    197408031507000    197408040015000
    197408040025000    197408051200000
    197408051206000    197408051206000
    197408051421000    197408071835000
    197408072115000    197408081005000
    197408081530000    197408090930000
    197408091145000    197408102200000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-9-74-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197407271436000    197408051218000
    197408051421000    197408071854000
    197408072112000    197408080118000
    197408080130000    197408080830000
    197408080842000    197408081148000
    197408081522000    197408090748000
    197408090800000    197408090954000
    197408091138000    197408110030000
    197408110136000    197408112200000
    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-9-74-IN data set <http://walrus.wr.usgs.gov/infobank/c/c974in/html/c-9-74-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: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c974in/html/c-9-74-in.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c974in/html/c-9-74-in.grav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c974in/html/c-9-74-in.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c974in/html/c-9-74-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 08:02:19 2013