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What does this data set describe?

Title:
Geophysical data of field activity G-1-78-SP in Southern Pacific from 01/06/1978 to 03/06/1978
Abstract:
Geophysical data (bathymetry, gravity, magnetics) of field activity G-1-78-SP in Southern Pacific from 01/06/1978 to 03/06/1978, <http://walrus.wr.usgs.gov/infobank/g/g178sp/html/g-1-78-sp.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
magnetics magnetometer
Notes -
Japan

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 G-1-78-SP in Southern Pacific from 01/06/1978 to 03/06/1978: 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: 146.74768
    East_Bounding_Coordinate: 179.99991
    North_Bounding_Coordinate: 19.99991
    South_Bounding_Coordinate: 0.00400

  3. What does it look like?

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

    Beginning_Date: 06-Jan-1978
    Ending_Date: 06-Mar-1978
    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?

  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/g/g178sp/grav/g-1-78-sp.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    08/06/86 BECKIE DUA0:[DATA.NAV]G178SP.161;
    DUA0:[DATA.NAV]TEMP.EXE;
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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 g-1-78-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/g/g178sp/mag/g-1-78-sp.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    08/06/86 BECKIE DUA0:[DATA.NAV]G178SP.201;
    DUA0:[DATA.NAV]TEMP.EXE;
    
    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/g/g178sp/bath/g-1-78-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 (g-1-78-sp.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197801071450000    197802241825000
    197802241935000    197802250105000
    197802250535000    197802251830000
    197802252140000    197802260300000
    197802260505000    197803010845000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (g-1-78-sp.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197801071450000    197801071450000
    197801100500000    197801121920000
    197801122000000    197801132150000
    197801170110000    197801180255000
    197801180305000    197801180910000
    197801180920000    197801180945000
    197801181025000    197801181800000
    197801182140000    197801190400000
    197801190640000    197801190735000
    197801191030000    197801191800000
    197801192145000    197801200330000
    197801200650000    197801201755000
    197801202205000    197801210400000
    197801210705000    197801211745000
    197801212135000    197801220130000
    197801220140000    197801220330000
    197801220705000    197801221755000
    197801230000000    197801230540000
    197801230905000    197801231730000
    197801232140000    197801240405000
    197801240705000    197801241755000
    197801250040000    197801250835000
    197801260845000    197801260850000
    197801260910000    197801261750000
    197801262135000    197801262145000
    197801262155000    197801270330000
    197801270635000    197801271800000
    197801272120000    197801280410000
    197801280735000    197801281755000
    197801282100000    197801290335000
    197801291525000    197801291825000
    197801291835000    197801291900000
    197801292140000    197801292155000
    197801301220000    197801301745000
    197802010455000    197802010520000
    197802010835000    197802011015000
    197802011305000    197802011325000
    197802020335000    197802020420000
    197802170720000    197802181900000
    197802182215000    197802190335000
    197802190635000    197802191830000
    197802192220000    197802200455000
    197802200855000    197802201825000
    197802202335000    197802210600000
    197802211010000    197802211810000
    197802212345000    197802220600000
    197802220745000    197802221005000
    197802221015000    197802221830000
    197802222135000    197802230145000
    197802230735000    197802231935000
    197802231945000    197802240240000
    197802240550000    197802241825000
    197802241935000    197802250105000
    197802250535000    197802251830000
    197802252140000    197802260300000
    197802260505000    197802261545000
    197802261555000    197802272355000
    197802280005000    197802282045000
    197802282055000    197803010845000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (g-1-78-sp.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197801170630000    197801180255000
    197801180305000    197801180910000
    197801180920000    197801180945000
    197801181025000    197801181750000
    197801182150000    197801190335000
    197801191030000    197801191755000
    197801192150000    197801200325000
    197801200745000    197801201755000
    197801202210000    197801210355000
    197801210745000    197801211745000
    197801212145000    197801220130000
    197801220140000    197801220325000
    197801220735000    197801221320000
    197801221330000    197801221745000
    197801230010000    197801230540000
    197801230915000    197801231730000
    197801232150000    197801240405000
    197801240745000    197801241745000
    197801250050000    197801250835000
    197801260845000    197801260850000
    197801260910000    197801261225000
    197801261425000    197801261745000
    197801262145000    197801262145000
    197801262155000    197801270330000
    197801270715000    197801271755000
    197801272155000    197801280345000
    197801280400000    197801280410000
    197801280755000    197801281745000
    197801282105000    197801290320000
    197801301525000    197801301745000
    197801302145000    197801302155000
    197801311220000    197801311740000
    197802020455000    197802020520000
    197802020835000    197802020950000
    197802021305000    197802021325000
    197802030335000    197802030420000
    197802180720000    197802191820000
    197802192225000    197802200335000
    197802200750000    197802201740000
    197802202230000    197802210420000
    197802210900000    197802211740000
    197802212340000    197802220525000
    197802221010000    197802221740000
    197802230045000    197802230445000
    197802230835000    197802231005000
    197802231015000    197802231120000
    197802231135000    197802231145000
    197802231155000    197802231220000
    197802231230000    197802231255000
    197802231305000    197802231735000
    197802232210000    197802240130000
    197802240830000    197802241735000
    197802242230000    197802250220000
    197802250605000    197802251735000
    197802252030000    197802252325000
    197802252335000    197802260105000
    197802260620000    197802260620000
    197802260630000    197802260655000
    197802260710000    197802261625000
    197802261635000    197802261735000
    197802270505000    197802270530000
    197802270600000    197802271450000
    197802271500000    197802271545000
    197802271555000    197802280400000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (g-1-78-sp.325_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197801110445000    197801110520000
    197801110530000    197801110545000
    197801130835000    197801130835000
    197801182140000    197801182140000
    197801190640000    197801190700000
    197801200650000    197801200655000
    197801210705000    197801210725000
    197801212135000    197801212135000
    197801220705000    197801220730000
    197801240705000    197801240735000
    197801250040000    197801250045000
    197801251230000    197801251420000
    197801260635000    197801260710000
    197801262120000    197801262140000
    197801272100000    197801272100000
    197801291805000    197801291825000
    197802181840000    197802181900000
    197802221300000    197802221300000
    197802250625000    197802250625000
    197802250700000    197802250700000
    197802251755000    197802251830000
    197802252140000    197802252140000
    197803010010000    197803010010000
    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 G-1-78-SP data set <http://walrus.wr.usgs.gov/infobank/g/g178sp/html/g-1-78-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: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/g/g178sp/html/g-1-78-sp.nav.html>

Data format: ASCII Size: 0.5
Network links: <http://walrus.wr.usgs.gov/infobank/g/g178sp/html/g-1-78-sp.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/g/g178sp/html/g-1-78-sp.mag.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/g/g178sp/html/g-1-78-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>

    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 10:40:47 2013