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What does this data set describe?

Title:
Data of field activity V-10-64-IN in Port Louis, Mauritius--> Capetown, South Africa from 09/21/1964 to 10/09/1964
Abstract:
Chief Scientist: M. Langseth. Data (bathymetry, gravity, magnetics, navigation) of field activity V-10-64-IN in Port Louis, Mauritius--> Capetown, South Africa from 09/21/1964 to 10/09/1964, <http://walrus.wr.usgs.gov/infobank/v/v1064in/html/v-10-64-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-10-64-IN in Port Louis, Mauritius--> Capetown, South Africa from 09/21/1964 to 10/09/1964: 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: 18.23170
    East_Bounding_Coordinate: 57.48330
    North_Bounding_Coordinate: -20.09670
    South_Bounding_Coordinate: -36.33330

  3. What does it look like?

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

    Beginning_Date: 21-Sep-1964
    Ending_Date: 09-Oct-1964
    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: Port Louis, Mauritius--> Capetown, South Africa
      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?

    M. Langseth (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: 20-Dec-1999 (process 1 of 4)
    Navigation Data
    01/30/1998 clint v-10-64-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: 25-Oct-2008 (process 2 of 4)
    Gravity Data
    10/25/2008 clint v-10-64-in.160_050
    /infobank/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-10-64-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint v-10-64-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-10-64-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/v1064in/mag/v-10-64-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint v-10-64-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint v-10-64-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/v1064in/bath/v-10-64-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-10-64-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint v-10-64-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-10-64-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196409211442000    196409211442000
    196409211513000    196409220603000
    196409220700000    196409220700000
    196409220803000    196409222023000
    196409222245000    196409231215000
    196409231505000    196409240630000
    196409240700000    196409240700000
    196409240730000    196409240730000
    196409240800000    196409240800000
    196409241100000    196409242045000
    196409242130000    196409242130000
    196409242326000    196409251250000
    196409251830000    196409251830000
    196409252005000    196409260712000
    196409260900000    196409260900000
    196409261023000    196409262100000
    196409262200000    196409262200000
    196409262241000    196409271218000
    196409271400000    196409271400000
    196409271703000    196409280620000
    196409280700000    196409280700000
    196409281048000    196409282018000
    196409282322000    196409290700000
    196409290730000    196409290730000
    196409290800000    196409290800000
    196409290830000    196409290830000
    196409290900000    196409290930000
    196409291000000    196409291030000
    196409291230000    196409291239000
    196409291300000    196409291300000
    196409291330000    196409291330000
    196409291545000    196409291545000
    196409291700000    196409291700000
    196409291900000    196409291900000
    196409292000000    196409300720000
    196409300900000    196409300900000
    196409301000000    196410011053000
    196410011235000    196410021300000
    196410021700000    196410031330000
    196410031430000    196410031430000
    196410031605000    196410040710000
    196410040900000    196410040900000
    196410041300000    196410041300000
    196410041628000    196410051317000
    196410051550000    196410061012000
    196410061200000    196410061200000
    196410061512000    196410070640000
    196410070730000    196410070730000
    196410071000000    196410090100000
    196410090135000    196410090135000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (v-10-64-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196409211800000    196409211900000
    196409211935000    196409212040000
    196409212110000    196409220045000
    196409220145000    196409220230000
    196409220315000    196409220530000
    196409220700000    196409220700000
    196409220830000    196409221845000
    196409230015000    196409230130000
    196409230200000    196409230730000
    196409231530000    196409240030000
    196409240100000    196409240200000
    196409240230000    196409240610000
    196409240700000    196409240700000
    196409241200000    196409241630000
    196409241700000    196409242020000
    196409242130000    196409242130000
    196409242345000    196409250200000
    196409250245000    196409251200000
    196409252030000    196409260200000
    196409260230000    196409260645000
    196409260900000    196409260900000
    196409261130000    196409261940000
    196409262200000    196409262200000
    196409262300000    196409270130000
    196409270215000    196409271200000
    196409271400000    196409271400000
    196409271730000    196409280130000
    196409280230000    196409280600000
    196409280700000    196409280700000
    196409281145000    196409281200000
    196409281400000    196409282000000
    196409282330000    196409290600000
    196409290630000    196409290645000
    196409290800000    196409290800000
    196409292130000    196409292330000
    196409300015000    196409300645000
    196409301030000    196409302030000
    196410010045000    196410010145000
    196410010700000    196410011030000
    196410011300000    196410011400000
    196410011500000    196410020200000
    196410020230000    196410020915000
    196410021030000    196410021245000
    196410021830000    196410021845000
    196410021915000    196410030145000
    196410030230000    196410031300000
    196410031430000    196410031430000
    196410031630000    196410032345000
    196410040015000    196410040615000
    196410040900000    196410040900000
    196410041700000    196410042115000
    196410042200000    196410050200000
    196410050230000    196410051300000
    196410051630000    196410060230000
    196410060300000    196410061000000
    196410061200000    196410061200000
    196410061545000    196410070230000
    196410070300000    196410070600000
    196410070730000    196410070730000
    196410071030000    196410080200000
    196410080230000    196410082000000
    196410082045000    196410082330000
    196410090000000    196410090040000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (v-10-64-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196409211524000    196409212324000
    196409212345000    196409212354000
    196409220015000    196409220555000
    196409220822000    196409222007000
    196409222252000    196409230008000
    196409230030000    196409230500000
    196409230521000    196409231200000
    196409231507000    196409240600000
    196409241112000    196409241645000
    196409241706000    196409242025000
    196409250020000    196409250115000
    196409250137000    196409250155000
    196409250218000    196409250630000
    196409250739000    196409250739000
    196409250800000    196409250837000
    196409251128000    196409251222000
    196409252010000    196409252130000
    196409252152000    196409252354000
    196409260015000    196409260700000
    196409261027000    196409261954000
    196409262250000    196409271208000
    196409271808000    196409280610000
    196409281054000    196409282008000
    196409290000000    196409290054000
    196409290115000    196409290605000
    196409292008000    196409300700000
    196409301012000    196409301730000
    196409301752000    196409301800000
    196409301822000    196410011043000
    196410011242000    196410020830000
    196410020900000    196410021300000
    196410021707000    196410021707000
    196410021730000    196410030400000
    196410030437000    196410031300000
    196410031608000    196410031930000
    196410031952000    196410040630000
    196410041642000    196410042110000
    196410042224000    196410050030000
    196410050100000    196410050524000
    196410050545000    196410051300000
    196410051557000    196410060500000
    196410060730000    196410060854000
    196410060915000    196410061000000
    196410061512000    196410062106000
    196410062130000    196410070230000
    196410070252000    196410070615000
    196410071014000    196410071209000
    196410071230000    196410071345000
    196410071406000    196410081600000
    196410081621000    196410090034000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (v-10-64-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    196409211513000    196409211800000
    196409211824000    196409212207000
    196409212230000    196409220600000
    196409220815000    196409221315000
    196409221345000    196409222020000
    196409222245000    196409231205000
    196409231510000    196409240630000
    196409240730000    196409240730000
    196409240800000    196409240800000
    196409241100000    196409241100000
    196409241130000    196409241200000
    196409241230000    196409241537000
    196409241600000    196409241832000
    196409241900000    196409242045000
    196409242330000    196409250708000
    196409250730000    196409251250000
    196409252015000    196409260712000
    196409261030000    196409262100000
    196409262250000    196409271215000
    196409271715000    196409280617000
    196409281100000    196409282000000
    196409282322000    196409290700000
    196409290730000    196409290730000
    196409290800000    196409290800000
    196409290830000    196409290830000
    196409290900000    196409290930000
    196409291000000    196409291030000
    196409291230000    196409291239000
    196409291300000    196409291300000
    196409291330000    196409291330000
    196409291545000    196409291545000
    196409291700000    196409291700000
    196409291900000    196409291900000
    196409292000000    196409300700000
    196409300900000    196409300900000
    196409301000000    196409301730000
    196409301800000    196410010537000
    196410010600000    196410010600000
    196410010625000    196410011040000
    196410011300000    196410011720000
    196410011745000    196410012100000
    196410012130000    196410021300000
    196410021700000    196410031015000
    196410031045000    196410031330000
    196410031617000    196410040710000
    196410041630000    196410051315000
    196410051550000    196410051737000
    196410051800000    196410060945000
    196410061515000    196410070640000
    196410071000000    196410080900000
    196410080930000    196410090100000
    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-10-64-IN data set <http://walrus.wr.usgs.gov/infobank/v/v1064in/html/v-10-64-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: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1064in/html/v-10-64-in.nav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1064in/html/v-10-64-in.grav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1064in/html/v-10-64-in.mag.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/v/v1064in/html/v-10-64-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)
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