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What does this data set describe?

Title:
Geophysical data of field activity L-4-84-SP in Southern Pacific from 05/04/1984 to 05/07/1984
Abstract:
Chief Scientist: Mike Torresan. Geophysical data (3dot5khz, 12khz, airgun, gravity, magnetics, uniboom, airgunmonitor, uniboom, dopplersonar, integratednavigation, transitsatellite) of field activity L-4-84-SP in Southern Pacific from 05/04/1984 to 05/07/1984, <http://walrus.wr.usgs.gov/infobank/l/l484sp/html/l-4-84-sp.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
airgun single-channel airgun
gravity
magnetics magnetometer
uniboom
airgunmonitor single-channel airgun monitor
uniboom
dopplersonar
integratednavigation
transitsatellite
Publications -
Greene, H.G., Wong, F.L., Blubaugh, B., Carter, A., Collot, J.Y., Crawford, A., Dadisman, S.,
Exon, N.F., Fisher, M., Goodfellow, G., Golan-Bac, Margaret, Harrison, W.D., Hirozawa, C.A.,
Holmes, M., Johnson, D., Macfarlane, A., McKelvey, B., Mertens, T., Petit, C., Reiss, T.,
Smith, G., Thrasher, G., and Torresan, M., 1986, Hydrocarbon potential of an island arc summit
basin, New Hebrides Arc, Southwest Pacific: Offshore Technology Conference Proceedings, v. 18,
no. 2, p. 261-266.<BR>
<HR>
Wong, Florence L., Richmond, B.A., Greene, H.G., Dingler, John R., Hein, James R.,
Kvenvolden, Keith A., Marlow, M.S., Morton, Janet L., Rubin, D.M., Scholl, D.W., and
Vedder, J.G., 1991, SOPAC; a decade of research on mineral and hydrocarbon resources in
the South Pacific, in Good, Elizabeth E., Slack, John F, and Kotra, Rama K., eds.,
USGS research on mineral resources, 1991; program and abstracts: U.S. Geological Survey
Circular 1062, p. 78-79.<BR>
<HR>
Greene, H. Gary., Scholl, David W., Vedder, John G., and Wong, Florence L., 1988,
Oil and gas potential of island arcs in the Southwest Pacific; a new frontier,
in Wagner, Holly C., Wagner, Leslie C., Wang, Frank F.H., and Wong, Florence L.,
eds., Petroleum resources of China and related subject: Circum-Pacific Council
for Energy and Mineral Resources, Earth Science Series, v. 10, p. 671-691.<BR>

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 L-4-84-SP in Southern Pacific from 05/04/1984 to 05/07/1984: 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: 168.01462
    East_Bounding_Coordinate: 178.42395
    North_Bounding_Coordinate: -17.74081
    South_Bounding_Coordinate: -18.76085

  3. What does it look like?

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

    Beginning_Date: 04-May-1984
    Ending_Date: 07-May-1984
    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.

      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?

    Al McClenaghan (Ship Captain); Barb Blubaugh (Navigator); Carol Hirozawa (Navigator); Chris Poppe (Chief Mate); Dean Clark (Unspecified Investigator, SEG); Gerry Anderson (Unspecified Investigator); Glen Thrasher (Geologist, NZGS); Greg Smith (Watchstander); Jeff Stampfer (Mechanical Technician); John Dobranski (Chief Engineer); Kevin O'Toole (Mechanical Technician); Mike Torresan (Chief Scientist); Rob O'Connor (Watchstander); Robin Frisch (Navigator); Roy Fields (Electronics Technician); Shawn Dadisman (Watchstander)

  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: 19-Jan-1996 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    02/28/85 KAYE USR$DISK:[DRS.DATA.L4.N]NEW.071;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;1
    Data has been run through FILTER
    
    

    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/l/l484sp/grav/l-4-84-sp.161_071
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/04/85 BARB USR$DISK:[DRS.DATA.L4.G]L484SP.161;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    
    02/26/85   BARB    USR$DISK:[DRS.DATA.L4.G]L484SP.161;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;1
    Meter 26
    Land Ties: 1250259000  971860.3
               1300100000  971861.4
    
    Input was...
    Converted to time format with year at start.
    
    02/28/85 KAYE USR$DISK:[DRS.DATA.L4.N]NEW.071;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;1
    Data has been run through FILTER
    
    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 l-4-84-sp.220_071
    
    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/l/l484sp/mag/l-4-84-sp.200_071
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    09/13/85 CAROLYN DISK$USERDISK:[CAROLYN]L484SP.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    
    Converted to time format with year at start.
    
    02/28/85 KAYE USR$DISK:[DRS.DATA.L4.N]NEW.071;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;1
    Data has been run through FILTER
    
    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/l/l484sp/bath/l-4-84-sp.330_071
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    04/08/85 BECKIE USR$DISK:[DRS.DATA.L484SP.B]L484SP.330;
    DRA1:[DRS.BAT]BATRED.EXE;1
    This file is time-edited digitrack bathy.
    
    Input was...
    Converted to time format with year at start.
    
    02/28/85 KAYE USR$DISK:[DRS.DATA.L4.N]NEW.071;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;1
    Data has been run through FILTER
    
    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:

    Other_Citation_Details:
    Greene, H.G., Wong, F.L., Blubaugh, B., Carter, A., Collot, J.Y., Crawford, A., Dadisman, S., Exon, N.F., Fisher, M., Goodfellow, G., Golan-Bac, Margaret, Harrison, W.D., Hirozawa, C.A., Holmes, M., Johnson, D., Macfarlane, A., McKelvey, B., Mertens, T., Petit, C., Reiss, T., Smith, G., Thrasher, G., and Torresan, M., 1986, Hydrocarbon potential of an island arc summit basin, New Hebrides Arc, Southwest Pacific: Offshore Technology Conference Proceedings, v. 18, no. 2, p. 261-266. Wong, Florence L., Richmond, B.A., Greene, H.G., Dingler, John R., Hein, James R., Kvenvolden, Keith A., Marlow, M.S., Morton, Janet L., Rubin, D.M., Scholl, D.W., and Vedder, J.G., 1991, SOPAC; a decade of research on mineral and hydrocarbon resources in the South Pacific, in Good, Elizabeth E., Slack, John F, and Kotra, Rama K., eds., USGS research on mineral resources, 1991; program and abstracts: U.S. Geological Survey Circular 1062, p. 78-79. Greene, H. Gary., Scholl, David W., Vedder, John G., and Wong, Florence L., 1988, Oil and gas potential of island arcs in the Southwest Pacific; a new frontier, in Wagner, Holly C., Wagner, Leslie C., Wang, Frank F.H., and Wong, Florence L., eds., Petroleum resources of China and related subject: Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, v. 10, p. 671-691.



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 (l-4-84-sp.071)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198405040315110    198405060659110
    198405060705000    198405060844480
    198405060850000    198405060850000
    198405060900000    198405060909340
    198405060915000    198405061844480
    198405061850000    198405061955000
    198405062005000    198405070609340
    198405070615000    198405072322000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (l-4-84-sp.161_071)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198405040315300    198405050241000
    198405050251500    198405060249000
    198405060303200    198405070301300
    198405070320100    198405072321500
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-4-84-sp.220_071)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198405040523300    198405040738300
    198405040745500    198405050243000
    198405050253500    198405050958200
    198405051130100    198405060251000
    198405060305200    198405070303300
    198405070322100    198405072228400
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-4-84-sp.330_071)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198405040523300    198405040738300
    198405040745500    198405050243000
    198405050253500    198405050958200
    198405051130100    198405051455500
    198405051556100    198405060251000
    198405060305200    198405070303300
    198405070322100    198405072228400
    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 L-4-84-SP data set <http://walrus.wr.usgs.gov/infobank/l/l484sp/html/l-4-84-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/l/l484sp/html/l-4-84-sp.nav.html>

Data format: ASCII Size: 0.9
Network links: <http://walrus.wr.usgs.gov/infobank/l/l484sp/html/l-4-84-sp.grav.html>

Data format: ASCII Size: 0.6
Network links: <http://walrus.wr.usgs.gov/infobank/l/l484sp/html/l-4-84-sp.mag.html>

Data format: ASCII Size: 0.6
Network links: <http://walrus.wr.usgs.gov/infobank/l/l484sp/html/l-4-84-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 12:51:08 2013