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What does this data set describe?

Title:
Data of field activity V-6-77-IN in Colombo, Sri Lanka--> Victoria, Seychelles from 08/01/1977 to 08/27/1977
Abstract:
Chief Scientist: J. Damuth. Data (gravitycore, pistoncore) of field activity V-6-77-IN in Colombo, Sri Lanka--> Victoria, Seychelles from 08/01/1977 to 08/27/1977, <http://walrus.wr.usgs.gov/infobank/v/v677in/html/v-6-77-in.meta.html>.
Supplemental_Information:

Equipment Used -
gravitycore
pistoncore
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-6-77-IN in Colombo, Sri Lanka--> Victoria, Seychelles from 08/01/1977 to 08/27/1977: 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: 50.52530
    East_Bounding_Coordinate: 79.69100
    North_Bounding_Coordinate: 6.82630
    South_Bounding_Coordinate: -12.37470

  3. What does it look like?

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

    Beginning_Date: 01-Aug-1977
    Ending_Date: 27-Aug-1977
    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--> Victoria, Seychelles
      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. Damuth (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-6-77-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/v677in/grav/v-6-77-in.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-6-77-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint v-6-77-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-6-77-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/v677in/mag/v-6-77-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint v-6-77-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint v-6-77-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/v677in/bath/v-6-77-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-6-77-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint v-6-77-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-6-77-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708011556000    197708231248000
    197708231339000    197708240524000
    197708240800000    197708240800000
    197708241154000    197708241154000
    197708241340000    197708241340000
    197708241446000    197708270008000
    197708270215000    197708270215000
    197708270250000    197708270250000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (v-6-77-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708011800000    197708012210000
    197708012340000    197708020430000
    197708020520000    197708020750000
    197708020830000    197708021730000
    197708021800000    197708030350000
    197708030520000    197708030850000
    197708030920000    197708040140000
    197708040250000    197708040800000
    197708040850000    197708040920000
    197708041220000    197708041840000
    197708041900000    197708041950000
    197708042040000    197708051940000
    197708052000000    197708052030000
    197708052100000    197708060740000
    197708060950000    197708061040000
    197708061110000    197708061250000
    197708061330000    197708061350000
    197708061430000    197708061500000
    197708061530000    197708061600000
    197708061700000    197708061840000
    197708061900000    197708061920000
    197708061950000    197708062120000
    197708062230000    197708071020000
    197708071150000    197708071340000
    197708071500000    197708071730000
    197708072040000    197708080810000
    197708080950000    197708081130000
    197708081220000    197708090100000
    197708090150000    197708090550000
    197708091000000    197708091300000
    197708091330000    197708091800000
    197708091830000    197708092000000
    197708092020000    197708092300000
    197708092320000    197708100810000
    197708100830000    197708101100000
    197708101350000    197708101620000
    197708101640000    197708102050000
    197708102130000    197708102130000
    197708102150000    197708110600000
    197708110710000    197708110730000
    197708110800000    197708110920000
    197708110940000    197708111310000
    197708111330000    197708111440000
    197708111500000    197708111950000
    197708112020000    197708112030000
    197708112100000    197708121010000
    197708121640000    197708130500000
    197708130600000    197708130650000
    197708130710000    197708130710000
    197708131320000    197708131520000
    197708131540000    197708131550000
    197708131630000    197708131700000
    197708131740000    197708131840000
    197708131900000    197708131920000
    197708131950000    197708132130000
    197708132150000    197708132150000
    197708140400000    197708140610000
    197708140630000    197708140850000
    197708141330000    197708141530000
    197708161100000    197708161350000
    197708161430000    197708162200000
    197708162240000    197708162340000
    197708170010000    197708170120000
    197708170220000    197708170600000
    197708170620000    197708170800000
    197708171900000    197708180010000
    197708180110000    197708180240000
    197708180330000    197708180650000
    197708181440000    197708181750000
    197708181840000    197708190000000
    197708190020000    197708190550000
    197708192200000    197708200000000
    197708200020000    197708200210000
    197708200330000    197708200500000
    197708200520000    197708200800000
    197708200820000    197708200830000
    197708200900000    197708200900000
    197708200920000    197708200920000
    197708201000000    197708201330000
    197708201400000    197708201720000
    197708201750000    197708202330000
    197708210000000    197708210120000
    197708210140000    197708210430000
    197708210840000    197708210950000
    197708211310000    197708211450000
    197708212000000    197708212310000
    197708212350000    197708220440000
    197708221130000    197708221540000
    197708222100000    197708230110000
    197708230140000    197708230210000
    197708230230000    197708230405000
    197708230435000    197708230610000
    197708231440000    197708231550000
    197708231610000    197708231850000
    197708231940000    197708240040000
    197708240110000    197708240210000
    197708240240000    197708240350000
    197708240410000    197708240420000
    197708241530000    197708241910000
    197708242000000    197708242110000
    197708250000000    197708250800000
    197708250830000    197708250900000
    197708250950000    197708251300000
    197708251330000    197708251330000
    197708251350000    197708251420000
    197708251510000    197708251610000
    197708251720000    197708251740000
    197708251820000    197708260230000
    197708260300000    197708260450000
    197708260520000    197708261010000
    197708261030000    197708261420000
    197708261510000    197708261510000
    197708261530000    197708261640000
    197708261700000    197708262000000
    197708262020000    197708262350000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (v-6-77-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708011712000    197708020142000
    197708020154000    197708020200000
    197708020212000    197708040930000
    197708041206000    197708050148000
    197708050200000    197708060742000
    197708060930000    197708061900000
    197708062006000    197708071736000
    197708072030000    197708090630000
    197708090942000    197708101112000
    197708101330000    197708121000000
    197708121530000    197708130700000
    197708131300000    197708131700000
    197708131724000    197708132148000
    197708140400000    197708140900000
    197708141230000    197708152000000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (v-6-77-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708011600000    197708012248000
    197708012300000    197708040854000
    197708040906000    197708040942000
    197708041136000    197708060800000
    197708060918000    197708061624000
    197708061648000    197708071812000
    197708072000000    197708080048000
    197708080100000    197708090642000
    197708090930000    197708101124000
    197708101318000    197708121030000
    197708121500000    197708130454000
    197708130524000    197708130730000
    197708131242000    197708131248000
    197708131306000    197708132206000
    197708140330000    197708140912000
    197708141230000    197708142012000
    197708142024000    197708151130000
    197708151142000    197708171100000
    197708171800000    197708172348000
    197708180000000    197708180806000
    197708181400000    197708190606000
    197708191254000    197708191600000
    197708191612000    197708210518000
    197708210812000    197708211000000
    197708211242000    197708211524000
    197708211848000    197708220642000
    197708221024000    197708221542000
    197708221736000    197708221836000
    197708222024000    197708230730000
    197708231342000    197708240506000
    197708241448000    197708262000000
    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-6-77-IN data set <http://walrus.wr.usgs.gov/infobank/v/v677in/html/v-6-77-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/v677in/html/v-6-77-in.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/v/v677in/html/v-6-77-in.grav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/v/v677in/html/v-6-77-in.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/v/v677in/html/v-6-77-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>)


    Generated by mp version 2.9.13 on Wed Oct 30 08:11:30 2013