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What does this data set describe?

Title:
Geophysical data of field activity M-2B-70-SP in Southern Pacific from 08/04/1970 to 09/13/1970
Abstract:
Chief Scientist: D. Hussong. Geophysical data (bathymetry, gravity, magnetics) of field activity M-2B-70-SP in Southern Pacific from 08/04/1970 to 09/13/1970, <http://walrus.wr.usgs.gov/infobank/m/m2b70sp/html/m-2b-70-sp.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
magnetics magnetometer
Notes -
Hawaii Institute of Geophysics
<http://www.pgd.hawaii.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 M-2B-70-SP in Southern Pacific from 08/04/1970 to 09/13/1970: 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: 141.95358
    East_Bounding_Coordinate: 157.38640
    North_Bounding_Coordinate: 4.99248
    South_Bounding_Coordinate: -8.01074

  3. What does it look like?

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

    Beginning_Date: 04-Aug-1970
    Ending_Date: 13-Sep-1970
    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: Southern Pacific
      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?

    D. Hussong (Chief Scientist, Hawaii Institute of Geophysics)

  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: 06-Dec-1995 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    

    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/m/m2b70sp/grav/m-2b-70-sp.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    02/20/86 BARB DUA0:[DATA.<CRUISE_ID>.G]<CRUISE_ID>.160;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    extracted from data acquired from NGDC
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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 m-2b-70-sp.220_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/magred11/magred11.for
    Using geodetic coordinate system (Earth shape approximated by spheriod)
    with altitude 0.0 km (for sea level).
    
    Input was...
    10/31/1998  /tiger/m/m2b70sp/mag/m-2b-70-sp.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    03/03/86 CAROLYN DRS$DATA:[<cruise_id>.M]<cruise_id>.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    extracted by Clint from data acquired from NGDC
    
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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/m/m2b70sp/bath/m-2b-70-sp.325_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 BECKIE DRS$DATA:[<cruise_id>.B]<cruise_id>.325;
    DRB0:[DRS.NGDC]UNREFNGDC.EXE;5
    NGDC files sometimes have only 2_way_travel_time in
    which case the format is the same but without corr_depth.
    This file was extracted by C. Steele from data acquired from NGDC.
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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 (m-2b-70-sp.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197008041710000    197008311740000
    197008311918000    197008311918000
    197008312058000    197008312058000
    197008312244000    197008312244000
    197009010054059    197009041156000
    197009041338000    197009041338000
    197009041550000    197009041550000
    197009041738000    197009041758000
    197009042116000    197009042116000
    197009042208000    197009042208000
    197009042358000    197009042358000
    197009050048000    197009060335000
    197009070530000    197009090757000
    197009090900000    197009131945000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (m-2b-70-sp.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197008130300000    197008130300000
    197008131100000    197008140415000
    197008140445000    197008141745000
    197008151415000    197008160615000
    197008170030000    197008170230000
    197008170330000    197008170330000
    197008170400000    197008170615000
    197008170930000    197008171700000
    197008171745000    197008171815000
    197008171845000    197008180215000
    197008180245000    197008180945000
    197008181345000    197008181830000
    197008182245000    197008190715000
    197008192300000    197008200030000
    197008200100000    197008200230000
    197008200330000    197008201000000
    197008201930000    197008201945000
    197008202015000    197008202315000
    197008210015000    197008211030000
    197008211100000    197008211545000
    197008211615000    197008211745000
    197008211815000    197008211830000
    197008211900000    197008211945000
    197008212230000    197008220730000
    197008220800000    197008220845000
    197008220915000    197008220930000
    197008221800000    197008221815000
    197008221845000    197008222215000
    197008222245000    197008230000000
    197008230030000    197008231845000
    197008240745000    197008241200000
    197008241230000    197008241815000
    197008250730000    197008251545000
    197008251630000    197008251630000
    197008251700000    197008251700000
    197008251745000    197008252230000
    197008260900000    197008271245000
    197008280130000    197008280415000
    197008280900000    197008281430000
    197008281500000    197008282245000
    197008282315000    197008292130000
    197008300400000    197008301915000
    197008310800000    197008311330000
    197009010230000    197009010230000
    197009010300000    197009010830000
    197009010945000    197009011230000
    197009011315000    197009011315000
    197009011400000    197009011700000
    197009011730000    197009020230000
    197009020345000    197009020945000
    197009021015000    197009021115000
    197009021530000    197009031900000
    197009032115000    197009040845000
    197009050145000    197009052245000
    197009071030000    197009072030000
    197009072245000    197009072345000
    197009080015000    197009081015000
    197009081045000    197009090600000
    197009090630000    197009090630000
    197009090700000    197009090745000
    197009091345000    197009100815000
    197009100845000    197009101130000
    197009101200000    197009101200000
    197009101230000    197009112245000
    197009112315000    197009112315000
    197009112345000    197009120400000
    197009120500000    197009121200000
    197009121230000    197009121830000
    197009121915000    197009131100000
    197009131130000    197009131200000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (m-2b-70-sp.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197008122305000    197008122305000
    197008122333000    197008130133000
    197008130315000    197008130545000
    197008130905000    197008130905000
    197008130930000    197008140630000
    197008140655000    197008141800000
    197008151135000    197008160620000
    197008161730000    197008171842000
    197008171905000    197008171930000
    197008171952000    197008172118000
    197008172140000    197008180139000
    197008180200000    197008180200000
    197008180230000    197008181025000
    197008181430000    197008181853000
    197008182304000    197008190527000
    197008190552000    197008190740000
    197008191915000    197008200315000
    197008210015000    197008210033000
    197008210100000    197008210103000
    197008210126000    197008211407000
    197008211430000    197008211530000
    197008211553000    197008211700000
    197008211830000    197008212000000
    197008220015000    197008220930000
    197008221910000    197008222030000
    197008222053000    197008231200000
    197008231230000    197008231440000
    197008231505000    197008231730000
    197008231804000    197008231804000
    197008231830000    197008231845000
    197008240900000    197008241740000
    197008250730000    197008252230000
    197008260853000    197008271300000
    197008280130000    197008280445000
    197008280930000    197008290430000
    197008290500000    197008292135000
    197008300500000    197008301915000
    197008310800000    197008311345000
    197009010130000    197009020000000
    197009020030000    197009021100000
    197009021130000    197009021130000
    197009021500000    197009021930000
    197009022000000    197009030100000
    197009030130000    197009040200000
    197009040300000    197009040811000
    197009040835000    197009040930000
    197009050130000    197009050545000
    197009050630000    197009051045000
    197009051115000    197009052248000
    197009070703000    197009072033000
    197009072220000    197009080713000
    197009080735000    197009090733000
    197009091316000    197009091808000
    197009091830000    197009100506000
    197009100527000    197009100630000
    197009100654000    197009100740000
    197009100805000    197009100827000
    197009100849000    197009101050000
    197009101113000    197009101839000
    197009101905000    197009102202000
    197009102227000    197009110210000
    197009110406000    197009110734000
    197009110800000    197009110930000
    197009110952000    197009111130000
    197009111156000    197009111832000
    197009111854000    197009120230000
    197009120252000    197009120500000
    197009120522000    197009120917000
    197009120938000    197009121138000
    197009121200000    197009121400000
    197009121421000    197009121508000
    197009121530000    197009130950000
    197009131013000    197009131222000
    197009131721000    197009131945000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (m-2b-70-sp.325_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197008122030000    197008150043480
    197008151130000    197008160639480
    197008161754000    197008161949239
    197008162354000    197008170403119
    197008170436000    197008181103000
    197008181308000    197008181913119
    197008182224000    197008201314540
    197008202000000    197008221158179
    197008221900000    197008230700119
    197008230825480    197008232029540
    197008240500000    197008242259420
    197008250045000    197008251730000
    197008260500000    197008260515119
    197008260545059    197008260554300
    197008260900000    197008261514540
    197008261545000    197008271429540
    197008271630000    197008271944420
    197008280115000    197008280723000
    197008280823000    197008290759540
    197008290827000    197008302107000
    197008302130000    197008302220059
    197008310807179    197008311524300
    197009010054059    197009032359540
    197009040030000    197009041130000
    197009050100000    197009060330059
    197009070600000    197009090744540
    197009090900000    197009091114540
    197009091145000    197009120209059
    197009120230059    197009120859540
    197009120926480    197009131944480
    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 M-2B-70-SP data set <http://walrus.wr.usgs.gov/infobank/m/m2b70sp/html/m-2b-70-sp.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/m/m2b70sp/html/m-2b-70-sp.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/m/m2b70sp/html/m-2b-70-sp.grav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/m/m2b70sp/html/m-2b-70-sp.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/m/m2b70sp/html/m-2b-70-sp.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>

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