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What does this data set describe?

Title:
Geophysical data of field activity C-6-76-NA in Piermont, New York--> San Juan, Puerto Rico from 01/25/1976 to 02/23/1976
Abstract:
Chief Scientists: G. Bryan, Brian Tucholke. Geophysical data (transitsatellite, 3dot5khz, magnetics, gravity) of field activity C-6-76-NA in Piermont, New York--> San Juan, Puerto Rico from 01/25/1976 to 02/23/1976, <http://walrus.wr.usgs.gov/infobank/c/c676na/html/c-6-76-na.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-6-76-NA in Piermont, New York--> San Juan, Puerto Rico from 01/25/1976 to 02/23/1976: 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: -72.83880
    East_Bounding_Coordinate: -59.73280
    North_Bounding_Coordinate: 39.46870
    South_Bounding_Coordinate: 18.56330

  3. What does it look like?

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

    Beginning_Date: 25-Jan-1976
    Ending_Date: 23-Feb-1976
    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: Piermont, New York--> San Juan, Puerto 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?

    G. Bryan (Chief Scientist); Brian Tucholke (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-6-76-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/c676na/grav/c-6-76-na.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-6-76-na.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint c-6-76-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-6-76-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/c676na/mag/c-6-76-na.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint c-6-76-na.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint c-6-76-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/c676na/bath/c-6-76-na.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint c-6-76-na.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint c-6-76-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-6-76-na.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197601250200000    197602150730000
    197602150928000    197602150928000
    197602151050000    197602151135000
    197602151236000    197602151236000
    197602151430000    197602151430000
    197602151850000    197602151913000
    197602152030000    197602152138000
    197602152254000    197602152314000
    197602160102000    197602160102000
    197602160332000    197602160332000
    197602160640000    197602160640000
    197602160840000    197602160840000
    197602160928000    197602161104000
    197602161152000    197602161250000
    197602161400000    197602161400000
    197602161518000    197602161518000
    197602161706000    197602161706000
    197602161802000    197602161802000
    197602161950000    197602161950000
    197602162146000    197602162224000
    197602162341000    197602170010000
    197602170100000    197602170100000
    197602170238000    197602170238000
    197602170347000    197602190310000
    197602190357000    197602190430000
    197602190602000    197602190602000
    197602190748000    197602190748000
    197602190944000    197602190944000
    197602191036000    197602191036000
    197602191220000    197602191220000
    197602191422000    197602191422000
    197602191726000    197602191845000
    197602192100000    197602192100000
    197602192156000    197602192156000
    197602192322000    197602192342000
    197602200110000    197602200110000
    197602200306000    197602200424000
    197602200512000    197602200512000
    197602200658000    197602200658000
    197602200946000    197602230530000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (c-6-76-na.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197601250400000    197601250410000
    197601250440000    197601250550000
    197601250610000    197601251110000
    197601251130000    197601251200000
    197601251230000    197601252030000
    197601252140000    197601260040000
    197601260120000    197601260850000
    197601260910000    197601261130000
    197601261200000    197601261330000
    197601261350000    197601261510000
    197601261530000    197601261550000
    197601261620000    197601261630000
    197601261710000    197601261750000
    197601261810000    197601270540000
    197601270600000    197601270910000
    197601271000000    197601271030000
    197601271050000    197601271100000
    197601271120000    197601271140000
    197601271230000    197601271550000
    197601271610000    197601271730000
    197601271800000    197601272340000
    197601280000000    197601280210000
    197601280240000    197601280410000
    197601280530000    197601280550000
    197601280640000    197601280830000
    197601280910000    197601281050000
    197601281110000    197601281350000
    197601281410000    197601281500000
    197601281530000    197601282350000
    197601290010000    197601290520000
    197601290600000    197601290630000
    197601290810000    197601290830000
    197601290850000    197601291100000
    197601291120000    197601291300000
    197601291320000    197601291320000
    197601291400000    197601291550000
    197601291620000    197601301330000
    197601310350000    197601310820000
    197601310840000    197601310950000
    197601311020000    197601311040000
    197601311110000    197601311300000
    197601311330000    197601311800000
    197601311820000    197601311830000
    197601311850000    197601311910000
    197601311940000    197602010900000
    197602010930000    197602010930000
    197602010950000    197602011100000
    197602011120000    197602011630000
    197602011700000    197602011950000
    197602012030000    197602020050000
    197602020110000    197602020140000
    197602030920000    197602031000000
    197602031040000    197602031240000
    197602031330000    197602031440000
    197602031530000    197602031800000
    197602031850000    197602031920000
    197602031940000    197602032000000
    197602032320000    197602032320000
    197602040000000    197602040650000
    197602040720000    197602041220000
    197602041250000    197602041310000
    197602041340000    197602041940000
    197602042010000    197602042300000
    197602042320000    197602042340000
    197602050020000    197602050300000
    197602050320000    197602050410000
    197602050440000    197602051040000
    197602051110000    197602051320000
    197602051350000    197602051510000
    197602051530000    197602051550000
    197602051630000    197602051820000
    197602051840000    197602051840000
    197602051900000    197602060720000
    197602060830000    197602061340000
    197602061400000    197602061430000
    197602061450000    197602061510000
    197602061530000    197602061540000
    197602061600000    197602061920000
    197602061950000    197602062050000
    197602062110000    197602062130000
    197602072100000    197602072350000
    197602080750000    197602090500000
    197602101410000    197602101540000
    197602101650000    197602101800000
    197602110230000    197602110720000
    197602110740000    197602110820000
    197602110850000    197602110930000
    197602111000000    197602120010000
    197602120120000    197602121030000
    197602121050000    197602130240000
    197602130300000    197602130320000
    197602131740000    197602131830000
    197602131940000    197602132100000
    197602132140000    197602132150000
    197602132230000    197602132350000
    197602140110000    197602140220000
    197602140300000    197602140310000
    197602140400000    197602140450000
    197602140540000    197602140730000
    197602140830000    197602140950000
    197602141020000    197602141140000
    197602141210000    197602141250000
    197602141340000    197602141340000
    197602141400000    197602141520000
    197602170430000    197602170440000
    197602170500000    197602170500000
    197602170520000    197602170950000
    197602171010000    197602190300000
    197602201050000    197602201120000
    197602201200000    197602201320000
    197602201400000    197602201510000
    197602201540000    197602202220000
    197602202240000    197602210050000
    197602210140000    197602210150000
    197602210210000    197602210410000
    197602210430000    197602210440000
    197602210520000    197602210700000
    197602210720000    197602210830000
    197602210850000    197602211100000
    197602211120000    197602211240000
    197602211310000    197602211800000
    197602211830000    197602212030000
    197602212100000    197602212240000
    197602212300000    197602220340000
    197602220400000    197602220630000
    197602220700000    197602220700000
    197602220720000    197602220740000
    197602220800000    197602221230000
    197602221250000    197602221320000
    197602221410000    197602221540000
    197602221610000    197602221800000
    197602221830000    197602221900000
    197602221930000    197602221950000
    197602222020000    197602222140000
    197602222210000    197602230340000
    197602230410000    197602230520000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (c-6-76-na.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197601251300000    197601261348000
    197601261412000    197601270542000
    197601270606000    197601271012000
    197601271030000    197601301336000
    197601310312000    197602011848000
    197602011900000    197602020048000
    197602030906000    197602031924000
    197602032324000    197602062030000
    197602080748000    197602090512000
    197602110230000    197602120012000
    197602120118000    197602130230000
    197602131730000    197602140754000
    197602140806000    197602141518000
    197602170430000    197602190300000
    197602201030000    197602210048000
    197602210118000    197602230500000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (c-6-76-na.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197601250206000    197601301347000
    197601310300000    197602011818000
    197602011829000    197602020112000
    197602030900000    197602031930000
    197602032248000    197602041224000
    197602041236000    197602062100000
    197602071354000    197602071436000
    197602072000000    197602080400000
    197602080730000    197602090512000
    197602100800000    197602101030000
    197602101330000    197602101800000
    197602110230000    197602110900000
    197602110912000    197602111042000
    197602111054000    197602120012000
    197602120118000    197602130300000
    197602131700000    197602141518000
    197602141530000    197602141654000
    197602170412000    197602190300000
    197602191824000    197602191830000
    197602200306000    197602200424000
    197602201000000    197602230524000
    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-6-76-NA data set <http://walrus.wr.usgs.gov/infobank/c/c676na/html/c-6-76-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/c676na/html/c-6-76-na.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/c/c676na/html/c-6-76-na.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c676na/html/c-6-76-na.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/c/c676na/html/c-6-76-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>)


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