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What does this data set describe?

Title:
Geophysical data of field activity C-8-72-SA in Rio de Janeiro, Brazil--> Recife, Brazil from 05/11/1972 to 06/05/1972
Abstract:
Chief Scientist: R. Leyden. Geophysical data (transitsatellite, 3dot5khz, magnetics, gravity) of field activity C-8-72-SA in Rio de Janeiro, Brazil--> Recife, Brazil from 05/11/1972 to 06/05/1972, <http://walrus.wr.usgs.gov/infobank/c/c872sa/html/c-8-72-sa.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-8-72-SA in Rio de Janeiro, Brazil--> Recife, Brazil from 05/11/1972 to 06/05/1972: 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: -43.11670
    East_Bounding_Coordinate: -30.39470
    North_Bounding_Coordinate: -8.02550
    South_Bounding_Coordinate: -25.87160

  3. What does it look like?

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

    Beginning_Date: 11-May-1972
    Ending_Date: 05-Jun-1972
    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: Rio de Janeiro, Brazil--> Recife, Brazil
      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-8-72-sa.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/c872sa/grav/c-8-72-sa.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-8-72-sa.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint c-8-72-sa.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-8-72-sa.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/c872sa/mag/c-8-72-sa.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint c-8-72-sa.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint c-8-72-sa.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/c872sa/bath/c-8-72-sa.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-8-72-sa.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint c-8-72-sa.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-8-72-sa.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197205111622000    197205152206000
    197205152309000    197205170637000
    197205170655000    197205170655000
    197205170715000    197205170715000
    197205170840000    197205190934000
    197205190949000    197205190949000
    197205191158000    197205191158000
    197205191309000    197205200948000
    197205201114000    197205201114000
    197205201257000    197205210113000
    197205210334000    197205210334000
    197205210630000    197205210630000
    197205210740000    197205212144000
    197205212200000    197205212200000
    197205212232000    197205212232000
    197205220018000    197205220018000
    197205220248000    197205220248000
    197205220425000    197205220515000
    197205220538000    197205220538000
    197205220724000    197205220724000
    197205221021000    197205230903000
    197205231048000    197205231048000
    197205231348000    197205231348000
    197205231816000    197205231816000
    197205231930000    197205250830000
    197205251047000    197205271840000
    197205271858000    197205271858000
    197205272032000    197205272032000
    197205272109000    197205281424000
    197205281711000    197205281712000
    197205281730000    197205281730000
    197205281742000    197205281757000
    197205281808000    197205281808000
    197205281850000    197205281850000
    197205290000000    197205290000000
    197205290129000    197205311300000
    197205311315000    197205311315000
    197205311520000    197206011203000
    197206011248000    197206011333000
    197206011406000    197206021957000
    197206022104000    197206022104000
    197206022123000    197206040203000
    197206040426000    197206050600000
    197206050625000    197206050625000
    197206050636000    197206050636000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-8-72-sa.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197205111700000    197205121941000
    197205122155000    197205130619000
    197205131005000    197205132103000
    197205132245000    197205140829000
    197205140850000    197205151644000
    197205151715000    197205151845000
    197205151910000    197205152129000
    197205152315000    197205161105000
    197205161130000    197205161415000
    197205161436000    197205162130000
    197205162200000    197205162200000
    197205162222000    197205162324000
    197205162345000    197205170615000
    197205170636000    197205170636000
    197205170850000    197205180815000
    197205180930000    197205181945000
    197205182006000    197205182230000
    197205182252000    197205190932000
    197205191330000    197205200916000
    197205201310000    197205201922000
    197205201946000    197205210029000
    197205210800000    197205211945000
    197205212020000    197205212132000
    197205221045000    197205222146000
    197205222330000    197205230821000
    197205231945000    197205250815000
    197205251110000    197205261030000
    197205261110000    197205271838000
    197205272120000    197205272200000
    197205272221000    197205280545000
    197205280606000    197205281145000
    197205290200000    197205311259000
    197205311545000    197205312000000
    197205312023000    197205312023000
    197205312045000    197206011133000
    197206011420000    197206012129000
    197206012150000    197206021930000
    197206022132000    197206031255000
    197206031335000    197206040144000
    197206040450000    197206040930000
    197206041015000    197206042241000
    197206042315000    197206050559000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-8-72-sa.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197205111645000    197205111645000
    197205111700000    197205111750000
    197205111800000    197205111915000
    197205111925000    197205121850000
    197205121900000    197205121940000
    197205122205000    197205130650000
    197205130955000    197205131400000
    197205131615000    197205132055000
    197205132235000    197205140205000
    197205140215000    197205140830000
    197205140840000    197205150930000
    197205151100000    197205151200000
    197205151210000    197205151850000
    197205151900000    197205152130000
    197205152330000    197205161050000
    197205161110000    197205170635000
    197205170900000    197205171200000
    197205171230000    197205171525000
    197205171545000    197205171720000
    197205171730000    197205171930000
    197205172200000    197205181240000
    197205181250000    197205182330000
    197205182345000    197205190430000
    197205190436000    197205190735000
    197205190830000    197205190925000
    197205191310000    197205191945000
    197205191955000    197205192235000
    197205192250000    197205200915000
    197205201330000    197205210015000
    197205211020000    197205211050000
    197205211100000    197205212000000
    197205221030000    197205221155000
    197205221315000    197205222200000
    197205222210000    197205222305000
    197205222315000    197205230820000
    197205232005000    197205250805000
    197205251050000    197205251130000
    197205251200000    197205251425000
    197205251800000    197205252330000
    197205252355000    197205261125000
    197205261240000    197205271830000
    197205272115000    197205281400000
    197205290150000    197205301020000
    197205301030000    197205311300000
    197205311545000    197205312020000
    197205312100000    197205312130000
    197205312245000    197205312300000
    197205312340000    197206010840000
    197206011000000    197206011135000
    197206011420000    197206011915000
    197206020020000    197206020315000
    197206020818000    197206021240000
    197206021250000    197206021805000
    197206021825000    197206021940000
    197206022130000    197206022320000
    197206030035000    197206031930000
    197206032000000    197206032000000
    197206032015000    197206032235000
    197206032300000    197206040145000
    197206040450000    197206040600000
    197206041030000    197206042240000
    197206042310000    197206050500000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-8-72-sa.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197205111630000    197205121948000
    197205122200000    197205130650000
    197205130949000    197205132118000
    197205132230000    197205152206000
    197205152309000    197205170636000
    197205170854000    197205190933000
    197205191309000    197205200948000
    197205201257000    197205201942000
    197205201954000    197205202148000
    197205202200000    197205210112000
    197205210740000    197205212142000
    197205220425000    197205220512000
    197205221021000    197205222100000
    197205222112000    197205222236000
    197205222248000    197205230018000
    197205230030000    197205230900000
    197205231930000    197205250830000
    197205251048000    197205262118000
    197205262130000    197205262130000
    197205262142000    197205271830000
    197205272109000    197205281424000
    197205281712000    197205281712000
    197205281730000    197205281730000
    197205281742000    197205281742000
    197205290130000    197205311300000
    197205311521000    197206011200000
    197206011248000    197206011330000
    197206011406000    197206021957000
    197206022123000    197206040200000
    197206040436000    197206050600000
    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-8-72-SA data set <http://walrus.wr.usgs.gov/infobank/c/c872sa/html/c-8-72-sa.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: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/c/c872sa/html/c-8-72-sa.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c872sa/html/c-8-72-sa.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c872sa/html/c-8-72-sa.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/c/c872sa/html/c-8-72-sa.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 08:02:18 2013