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What does this data set describe?

Title:
Geophysical data of field activity C-3-75-NA in Brooklyn, New York--> San Jaun, Peurto Rico from 10/22/1975 to 11/18/1975
Abstract:
Chief Scientists: J. Ewing, C. Windisch. Geophysical data (transitsatellite, magnetics, gravity) of field activity C-3-75-NA in Brooklyn, New York--> San Jaun, Peurto Rico from 10/22/1975 to 11/18/1975, <http://walrus.wr.usgs.gov/infobank/c/c375na/html/c-3-75-na.meta.html>.
Supplemental_Information:

Equipment Used -
transitsatellite
magnetics magnetometer
gravity Bell 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-3-75-NA in Brooklyn, New York--> San Jaun, Peurto Rico from 10/22/1975 to 11/18/1975: 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: -77.80170
    East_Bounding_Coordinate: -66.05150
    North_Bounding_Coordinate: 40.45670
    South_Bounding_Coordinate: 18.47670

  3. What does it look like?

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

    Beginning_Date: 22-Oct-1975
    Ending_Date: 18-Nov-1975
    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: Brooklyn, New York--> San Jaun, Peurto Rico
      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. Ewing (Chief Scientist); C. Windisch (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-3-75-na.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/c375na/grav/c-3-75-na.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-3-75-na.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint c-3-75-na.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-3-75-na.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/c375na/mag/c-3-75-na.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint c-3-75-na.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint c-3-75-na.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/c375na/bath/c-3-75-na.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-3-75-na.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint c-3-75-na.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-3-75-na.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197510222000000    197511130930000
    197511131213000    197511131530000
    197511131600000    197511131600000
    197511131800000    197511131800000
    197511131910000    197511180602000
    197511180649000    197511180845000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-3-75-na.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197510240610000    197510240830000
    197510241720000    197510241920000
    197510241940000    197510242150000
    197510242330000    197510250100000
    197510250120000    197510250130000
    197510250200000    197510250440000
    197510250510000    197510250820000
    197510250920000    197510251000000
    197510251220000    197510251250000
    197510251310000    197510251400000
    197510251630000    197510251800000
    197510251840000    197510251930000
    197510252130000    197510260940000
    197510261000000    197510261210000
    197510261230000    197510261300000
    197510261900000    197510262100000
    197510262130000    197510262320000
    197510262340000    197510270700000
    197510270730000    197510270800000
    197510271020000    197510271720000
    197510271800000    197510271840000
    197510271900000    197510271920000
    197510272010000    197510272050000
    197510272130000    197510280220000
    197510280940000    197510281120000
    197510281140000    197510281220000
    197510281240000    197510281250000
    197510281440000    197510281750000
    197510281810000    197510290540000
    197510290610000    197510290920000
    197510291240000    197510291440000
    197510291500000    197510291540000
    197510291620000    197510291810000
    197510291830000    197510291850000
    197510291910000    197510292250000
    197510292330000    197510300940000
    197510301000000    197510301030000
    197510301740000    197510301830000
    197510310230000    197510310810000
    197510310850000    197510311050000
    197510311250000    197510311950000
    197510312040000    197511010820000
    197511012320000    197511020750000
    197511021800000    197511021930000
    197511022100000    197511030740000
    197511032000000    197511032220000
    197511032250000    197511040900000
    197511041420000    197511050000000
    197511050110000    197511050120000
    197511050140000    197511050200000
    197511050220000    197511050500000
    197511050620000    197511051030000
    197511051140000    197511051210000
    197511051240000    197511051530000
    197511051550000    197511060650000
    197511060720000    197511061800000
    197511061840000    197511070230000
    197511070340000    197511070740000
    197511070800000    197511071130000
    197511071150000    197511071710000
    197511071730000    197511071930000
    197511072220000    197511080140000
    197511080210000    197511081230000
    197511081300000    197511082100000
    197511090220000    197511090330000
    197511090350000    197511090730000
    197511090820000    197511091000000
    197511091040000    197511100100000
    197511100120000    197511100210000
    197511100240000    197511102200000
    197511102310000    197511120200000
    197511120230000    197511130430000
    197511130500000    197511130800000
    197511130820000    197511130900000
    197511131250000    197511131520000
    197511132100000    197511140310000
    197511140610000    197511141850000
    197511141920000    197511151130000
    197511151210000    197511151430000
    197511151500000    197511151720000
    197511151750000    197511160230000
    197511160300000    197511160520000
    197511160550000    197511160830000
    197511160940000    197511161500000
    197511161530000    197511161620000
    197511161650000    197511170330000
    197511170400000    197511170440000
    197511170550000    197511170740000
    197511170810000    197511171720000
    197511171750000    197511171840000
    197511171940000    197511180440000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-3-75-na.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197511090235000    197511090420000
    197511090440000    197511110005000
    197511110012000    197511110350000
    197511110400000    197511111240000
    197511111325000    197511111635000
    197511111642000    197511112310000
    197511112319000    197511130355000
    197511130404000    197511130530000
    197511130600000    197511130900000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-3-75-na.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197510240730000    197510241200000
    197510241654000    197510241800000
    197510241812000    197510242212000
    197510242248000    197510250912000
    197510251118000    197510261254000
    197510261900000    197510291000000
    197510291212000    197510301030000
    197510301600000    197511010830000
    197511012130000    197511020930000
    197511021800000    197511031000000
    197511031800000    197511040930000
    197511041130000    197511082130000
    197511090200000    197511130900000
    197511131230000    197511131500000
    197511131930000    197511180554000
    197511180700000    197511180830000
    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-3-75-NA data set <http://walrus.wr.usgs.gov/infobank/c/c375na/html/c-3-75-na.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/c375na/html/c-3-75-na.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c375na/html/c-3-75-na.grav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/c/c375na/html/c-3-75-na.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/c/c375na/html/c-3-75-na.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 08:02:08 2013