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What does this data set describe?

Title:
Data of field activity V-17-80-IN in Colombo, Sri Lanka--> Mombasa, Kenya from 10/15/1980 to 11/13/1980
Abstract:
Chief Scientist: J. Cochran. Data (bathymetry, gravity, magnetics, navigation) of field activity V-17-80-IN in Colombo, Sri Lanka--> Mombasa, Kenya from 10/15/1980 to 11/13/1980, <http://walrus.wr.usgs.gov/infobank/v/v1780in/html/v-17-80-in.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry data directory exists
gravity data directory exists
magnetics data directory exists
navigation data directory exists
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/>, 20131030, Data of field activity V-17-80-IN in Colombo, Sri Lanka--> Mombasa, Kenya from 10/15/1980 to 11/13/1980: 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: 39.92500
    East_Bounding_Coordinate: 79.39930
    North_Bounding_Coordinate: 19.74160
    South_Bounding_Coordinate: -4.13300

  3. What does it look like?

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

    Beginning_Date: 15-Oct-1980
    Ending_Date: 13-Nov-1980
    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, Sri Lanka--> Mombasa, Kenya
      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?

    J. Cochran (Chief Scientist, Lamont-Doherty)

  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 v-17-80-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  /tiger/v/v1780in/grav/v-17-80-in.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-17-80-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint v-17-80-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 v-17-80-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  /tiger/v/v1780in/mag/v-17-80-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint v-17-80-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint v-17-80-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  /tiger/v/v1780in/bath/v-17-80-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-17-80-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint v-17-80-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 (v-17-80-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010150828000    198011020306000
    198011020330000    198011020336000
    198011020400000    198011030411000
    198011030530000    198011030530000
    198011030600000    198011040324000
    198011040345000    198011040345000
    198011040406000    198011040418000
    198011040530000    198011040530000
    198011040600000    198011040619000
    198011040730000    198011040750000
    198011040830000    198011040830000
    198011040900000    198011040900000
    198011041000000    198011041003000
    198011041042000    198011041042000
    198011041130000    198011041130000
    198011041200000    198011041200000
    198011041230000    198011041230000
    198011041255000    198011041300000
    198011041327000    198011041330000
    198011041400000    198011041400000
    198011041430000    198011041440000
    198011041510000    198011041530000
    198011041600000    198011041600000
    198011041630000    198011041630000
    198011041656000    198011041656000
    198011041730000    198011041750000
    198011041853000    198011041900000
    198011041945000    198011041945000
    198011042047000    198011042047000
    198011042130000    198011042150000
    198011042330000    198011042330000
    198011050027000    198011130336000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (v-17-80-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010150830000    198010150850000
    198010151000000    198010151210000
    198010151300000    198010151450000
    198010151520000    198010152350000
    198010160020000    198010160110000
    198010160140000    198010161730000
    198010161810000    198010162350000
    198010170030000    198010180050000
    198010180120000    198010181450000
    198010181520000    198010190940000
    198010191010000    198010191050000
    198010191140000    198010192350000
    198010200030000    198010200850000
    198010201030000    198010201040000
    198010201140000    198010201250000
    198010201320000    198010201850000
    198010201920000    198010210250000
    198010210320000    198010210550000
    198010210620000    198010210800000
    198010210830000    198010211350000
    198010211420000    198010212000000
    198010212050000    198010220350000
    198010221240000    198010221430000
    198010222010000    198010222320000
    198010240100000    198010240240000
    198010240310000    198010240320000
    198010240350000    198010240650000
    198010240820000    198010240840000
    198010240940000    198010241100000
    198010241410000    198010242110000
    198010242200000    198010250750000
    198010250820000    198010251110000
    198010251140000    198010252200000
    198010252230000    198010262000000
    198010262030000    198010271850000
    198010271940000    198010271950000
    198010272020000    198010280600000
    198010280630000    198010281320000
    198010281800000    198010282350000
    198010290030000    198010290850000
    198010290930000    198010291050000
    198010291130000    198010291450000
    198010291520000    198010291820000
    198010291900000    198010292130000
    198010292200000    198010292350000
    198010300030000    198010301630000
    198010301710000    198010301800000
    198010301830000    198010302240000
    198010311230000    198010311630000
    198010311700000    198010311930000
    198010312000000    198011010650000
    198011010720000    198011010820000
    198011010900000    198011010920000
    198011020500000    198011021030000
    198011021100000    198011021750000
    198011021830000    198011021920000
    198011022030000    198011022230000
    198011022300000    198011022320000
    198011030000000    198011030250000
    198011030810000    198011031020000
    198011031050000    198011031120000
    198011031150000    198011031610000
    198011031640000    198011031720000
    198011031750000    198011031850000
    198011031920000    198011031930000
    198011032020000    198011032350000
    198011040030000    198011040050000
    198011040130000    198011040310000
    198011050110000    198011051150000
    198011051250000    198011051540000
    198011051610000    198011051740000
    198011051820000    198011052350000
    198011060030000    198011060440000
    198011060550000    198011060900000
    198011060930000    198011061440000
    198011061510000    198011062350000
    198011070030000    198011070500000
    198011070540000    198011070630000
    198011070700000    198011070700000
    198011070730000    198011071120000
    198011071200000    198011072350000
    198011080030000    198011080420000
    198011080450000    198011080800000
    198011080830000    198011081750000
    198011081820000    198011091150000
    198011091220000    198011091550000
    198011091630000    198011091920000
    198011092010000    198011100350000
    198011100420000    198011101250000
    198011101350000    198011101710000
    198011101740000    198011112050000
    198011112120000    198011120450000
    198011120520000    198011121250000
    198011121320000    198011121650000
    198011121730000    198011130320000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (v-17-80-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010151900000    198010152100000
    198010152120000    198010152130000
    198010152150000    198010152300000
    198010152320000    198010152320000
    198010152340000    198010160010000
    198010160030000    198010160140000
    198010160200000    198010160250000
    198010160310000    198010160810000
    198010161042000    198010170436000
    198010170454000    198010181418000
    198010181430000    198010190948000
    198010191000000    198010220400000
    198010240000000    198010240906000
    198010240924000    198010241024000
    198010241124000    198010242030000
    198010242206000    198010242354000
    198010250006000    198010250306000
    198010250330000    198010250330000
    198010250400000    198010250900000
    198010251124000    198010281324000
    198010281718000    198010290306000
    198010290324000    198010290736000
    198010290800000    198010290830000
    198010290842000    198010292342000
    198010292354000    198010300554000
    198010300606000    198010302230000
    198010311148000    198011010800000
    198011020430000    198011030348000
    198011030654000    198011040318000
    198011050042000    198011050236000
    198011050330000    198011050754000
    198011050806000    198011051130000
    198011051236000    198011060454000
    198011060518000    198011061054000
    198011061106000    198011100830000
    198011100854000    198011120354000
    198011120406000    198011120630000
    198011120642000    198011130130000
    198011130200000    198011130312000
    198011130324000    198011130324000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (v-17-80-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010150830000    198010220030000
    198010220106000    198010220354000
    198010220806000    198010221436000
    198010221954000    198010222354000
    198010231830000    198010231830000
    198010231900000    198010231900000
    198010231930000    198010231930000
    198010232000000    198010232000000
    198010232100000    198010232100000
    198010232130000    198010232130000
    198010232200000    198010232200000
    198010232230000    198010240412000
    198010240436000    198010242136000
    198010242200000    198010250206000
    198010250230000    198010281354000
    198010281712000    198010310948000
    198010311206000    198010312336000
    198011010006000    198011010924000
    198011011000000    198011020130000
    198011020200000    198011020200000
    198011020230000    198011020230000
    198011020300000    198011020300000
    198011020330000    198011020336000
    198011020400000    198011030400000
    198011030530000    198011030530000
    198011030600000    198011040324000
    198011040418000    198011040418000
    198011040600000    198011040600000
    198011040730000    198011040730000
    198011040900000    198011040900000
    198011041000000    198011041000000
    198011041130000    198011041130000
    198011041200000    198011041200000
    198011041230000    198011041230000
    198011041300000    198011041300000
    198011041330000    198011041330000
    198011041400000    198011041400000
    198011041430000    198011041430000
    198011041530000    198011041530000
    198011041630000    198011041630000
    198011041730000    198011041730000
    198011041900000    198011041900000
    198011042130000    198011042130000
    198011042330000    198011042330000
    198011050030000    198011081618000
    198011081718000    198011111436000
    198011111506000    198011130330000
    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 V-17-80-IN data set <http://walrus.wr.usgs.gov/infobank/v/v1780in/html/v-17-80-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/v/v1780in/html/v-17-80-in.nav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1780in/html/v-17-80-in.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1780in/html/v-17-80-in.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1780in/html/v-17-80-in.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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