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What does this data set describe?

Title:
Geophysical data of field activity L-5-82-SP in Tonga Ridge, Southern Pacific from 03/28/1982 to 04/25/1982
Abstract:
United States Geological Survey, Menlo Park, California,Ministry of Lands, Survey, and Natural Resources of the Kingdom of Tonga. Chief Scientists: Dave Scholl, Tun Maung. Geophysical data (3dot5khz, 12khz, airgun, gravity, uniboom, magnetics, sonobuoy, airgunmonitor, courserecorder, bathgravnav, dopplersonar, integratednavigation, LoranC, transitsatellite, bathnav, gravitycore, chaindredge, 24channel) of field activity L-5-82-SP in Tonga Ridge, Southern Pacific from 03/28/1982 to 04/25/1982, <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-sp.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
airgun single-channel airgun
gravity
uniboom
magnetics magnetometer
sonobuoy
airgunmonitor single-channel airgun monitor
courserecorder
bathgravnav gravity/bathymetry/navigation
dopplersonar
integratednavigation
LoranC
transitsatellite
bathnav bathymetry/navigation
gravitycore
chaindredge
24channel
Notes -
Australia-New Zealand-United States Tripartite Agreement of 1982
Publications -
Scholl, D.W., U Maung, Tun, Vallier, T.V., Childs, J., Stevenson, A.J., Exon, N.F., Herzer, R.H.,
Sandstrom, M.W., and Soaki, S., 1982, Preliminary results of geophysical and geological studies
to assess resource potential and geologic evolution of central Tonga Ridge and summit platform
(21-24 degrees latitude), in Circum-Pacific energy and mineral resources conference: American
Association of Petroleum Geologists Bulletin, v. 66, no. 7, p. 983. <BR>
<HR>
Greene, H.G., and Wong, F.L., 1983, Hydrocarbon resource studies in the Southwest Pacific:
U.S. Geological Survey Open-File Report 83-0293, 27 p.<BR>
<HR>
Maung, T.U., Exon, Neville F., Sandstrom, M.W., Herzer, R., Stevenson, Andrew J.,
Childs, J.R., Scholl, David W., and Vallier, Tracy L., 1982, Tonga Ridge; initial results
of new geologic and geophysical studies, in American Geophysical Union 1982 fall meeting:
American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1121.<BR>
<HR>
Wong, Florence L., and Greene, H. Gary, 1984, Hydrocarbon- and mineral-resource investigations
in the Southwest Pacific, in Clarke, Samuel H., ed., U.S. Geological Survey highlights in
marine research: U.S. Geological Survey Circular 0938, p. 37-48.<BR>
<HR>
Stevenson, Andrew J., and Childs, Jonathan R., 1985, Single channel seismic and geopotential
data collection and processing, in Scholl, David W., and Vallier, Tracy L., eds., Geology and
offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council
Energy and Mineral Resources.<BR>
<HR>
Childs, Jonathan R., 1985, Acoustic properties of sediment on the southern Tonga Platform
as determined from seismic sonobuoy studies, in Scholl, David W., and Vallier, Tracy L., eds.,
Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific
Council Energy and Mineral Resources.<BR>
<HR>
Mann, Dennis M., 1985, Multichannel profiles collected in 1982 in the Tonga region of the
South Pacific, in Scholl, David W., and Vallier, Tracy L., eds.,
Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific
Council Energy and Mineral Resources.<BR>
<HR>
Koski, Randolph A., Hein, James R., Bouse, Robin M., and Sliney, Rosemary E., 1985,
Composition and origin of ferromanganese crusts from Tonga Platform, Southwest Pacific,
in Scholl, David W., and Vallier, Tracy L., eds.,
Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific
Council Energy and Mineral Resources.<BR>
<HR>
Cole, Jeffrey E., and Mann, Dennis M., 1985, Velocity analyses of near seafloor strata based
on multichannel seismic data from the Tonga Platform, in Scholl, David W., and Vallier,
Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston,
TX, Circum-Pacific Council Energy and Mineral Resources.<BR>
<HR>
Mann, Dennis M., Scholl, David W., and Sliter, Ray W., 1986, Multichannel seismic-reflection
data collected in 1982 in the Tonga region of the South Pacific Ocean: U.S. Geological Survey
Open-File Report 86-0457, 4 p., 2 sheets. <BR>
<HR>
Bruns, T.R., Cooper, A.K., Mann, D.M., and Vedder, John G., 1986, Seismic stratigraphy and
structure of sedimentary basins in the Solomon Islands region, in Vedder, John G., Pound,
K.S., and Boundy, S.Q., eds., Geology and offshore resources of Pacific island arcs; central
and western Solomon Islands: Circum-Pacific Council for Energy and Mineral Resources, Earth
Science Series, v. 4, p. 177-214.<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>
<HR>
<A HREF="<http://www.ngdc.noaa.gov/mgg/fliers/87-MGG-10>"><http://www.ngdc.noaa.gov/mgg/fliers/87-MGG-10><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-5-82-SP in Tonga Ridge, Southern Pacific from 03/28/1982 to 04/25/1982: 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: 168.41679
    East_Bounding_Coordinate: -170.74139
    North_Bounding_Coordinate: -14.43070
    South_Bounding_Coordinate: -23.47230

  3. What does it look like?

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

    Beginning_Date: 28-Mar-1982
    Ending_Date: 25-Apr-1982
    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: Tonga Ridge, 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>
    Entity_and_Attribute_Overview:
    Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.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?

    Aaron Dunwald (Chief Engineer, USGS); Andy Stevenson (Geologist, USGS); Barbara Seekins (Navigator, USGS); Bob Rowland (Geologist, USGS); Chris Gutmacher (Geologist, USGS); Dave Falvey (Geophysicist, U Sydney Au); Dave Melendrez (Chief Mate); Dave Scholl (Chief Scientist, USGS); Dennis Mann (Geophysicist, USGS); Don Tiffin (Geologist, CCOP/SOPAC); Donna Blackman (Navigator, USGS); Gary Greene (Geologist, USGS); George Asuncion (Electronics Technician, USGS); Graig McHendrie (Navigator, USGS); Greg Lewis (Geologist, USGS); Guy Cochrane (Geologist, USGS); Hal Williams (Mechanical Technician, USGS); Jacques Daniel (Geophysicist, N Caledon); Jeff Rupert (Mechanical Technician, USGS); Jon Childs (Geophysicist, USGS); Kaye Kinoshita (Navigator, USGS); Larry Kooker (Electronics Technician, USGS); Mark Sandstrom (Geologist, Australi); Neville Exon (Geologist, BMR); Rick Herzer (Geologist, New Zealand); Roy Fields (Electronics Technician, USGS); Sione Soakai (Watchstander, Tonga); Tracy Vallier (Geologist, USGS); Tun Maung (Chief Scientist, CCOP/SOPAC); Vern Pilgrim (Ship Captain)

  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.
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.072;
    DUA0:[DRS.EDIT]MERGEIT.EXE;3
    Eotvos/course/speed/distance data
    taking eotvos field from L582SP.GRVSH3
    
    Input was...
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.071;
    DUA0:[DRS.NAV]EOTCSSP.EXE;1
    Eotvos/course/speed/distance data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.055;
    DUA0:[DRS.REFMT]REFORMAT.EXE;
    Integrated navigation (SINS) data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    Input was...
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    

    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/l582sp/grav/l-5-82-sp.153_072
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.153;
    DUA0:[DRS.REFMT]REFORMAT.EXE;
    SKIPNSAVED Free Air Anomaly data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    Input was...
    Converted to time format with year at start.
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.072;
    DUA0:[DRS.EDIT]MERGEIT.EXE;3
    Eotvos/course/speed/distance data
    taking eotvos field from L582SP.GRVSH3
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.071;
    DUA0:[DRS.NAV]EOTCSSP.EXE;1
    Eotvos/course/speed/distance data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.055;
    DUA0:[DRS.REFMT]REFORMAT.EXE;
    Integrated navigation (SINS) data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    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-5-82-sp.223_072
    
    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  /tiger/l/l582sp/mag/l-5-82-sp.222_072
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    06/22/88 CAROLYN DRS$DATA:[L582SP.M]L582SP.222;
    DUA0:[DRS.PLT]GRAPHED.EXE;
    Edited magnetics data
    edited out spikes by hand
    
    06/21/88 CAROLYN DRS$DATA:[L582SP.M]L582SP.221;
    DUA0:[DRS.NGDC]DESPIKE.EXE;
    Edited magnetics data
    deleted recs w/ +/-3000.0 gamma residuals
    
    06/20/88 CAROLYN DRS$DATA:[L582SP.M]L582SP.220;
    DUA0:[DRS.MAG]MAGRED.EXE;5
    Edited magnetics data
    
    12/04/85 CAROLYN DRS$DATA:[L582SP.M]L582SP220.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    was L582SP._.MAGSB1 on TAM369
    was L582SP220.DAT   on VAM369
    
    10/20/86 BECKIE DUA0:[DATA.L384SP]L582SP.070;
    DUA0:[DRS.NAV]EOTCSSP.EXE;
    
    04/17/85 KAYE USR$DISK:[KAYE.MISCLEE]L582SP.050;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;4
     Data adjusted in March 1985 to match 1984 data.
    
    Converted to time format with year at start.
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.072;
    DUA0:[DRS.EDIT]MERGEIT.EXE;3
    Eotvos/course/speed/distance data
    taking eotvos field from L582SP.GRVSH3
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.071;
    DUA0:[DRS.NAV]EOTCSSP.EXE;1
    Eotvos/course/speed/distance data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.055;
    DUA0:[DRS.REFMT]REFORMAT.EXE;
    Integrated navigation (SINS) data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    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/l582sp/bath/l-5-82-sp.331_072
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    06/23/88 CAROLYN DRS$DATA:[L582SP.B]L582SP.331;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    Edited bathymetry data
    
    06/12/85 BECKIE USR$DISK:[DRS.DATA.L582SP.B]L582SP.330;
    DRA1:[DRS.BAT]BATRED.EXE;1
    This file is hand-digetized bathymetry in 2-way seconds.
    Calculated depth assumes travel-time of sound in water
    at 1500M/sec.
    
    Input was...
    Converted to time format with year at start.
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.072;
    DUA0:[DRS.EDIT]MERGEIT.EXE;3
    Eotvos/course/speed/distance data
    taking eotvos field from L582SP.GRVSH3
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.071;
    DUA0:[DRS.NAV]EOTCSSP.EXE;1
    Eotvos/course/speed/distance data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.055;
    DUA0:[DRS.REFMT]REFORMAT.EXE;
    Integrated navigation (SINS) data
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    07/01/88 CAROLYN DRS$DATA:[L582SP.G]L582SP.GRVSH3;
    DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
    SKIPNSAVED Free Air Anomaly data
    hand edited out spikes in FAA field
    original time/lat/lon/eot/obsgrv/theogrv/faa data from running
    EOTCOR on DISCO::[JON.TAPE.LISTS]L582SP.GRVSH1 w/ EOTCOR.DAT
    
    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:
    Scholl, D.W., U Maung, Tun, Vallier, T.V., Childs, J., Stevenson, A.J., Exon, N.F., Herzer, R.H., Sandstrom, M.W., and Soaki, S., 1982, Preliminary results of geophysical and geological studies to assess resource potential and geologic evolution of central Tonga Ridge and summit platform (21-24 degrees latitude), in Circum-Pacific energy and mineral resources conference: American Association of Petroleum Geologists Bulletin, v. 66, no. 7, p. 983. Greene, H.G., and Wong, F.L., 1983, Hydrocarbon resource studies in the Southwest Pacific: U.S. Geological Survey Open-File Report 83-0293, 27 p. Maung, T.U., Exon, Neville F., Sandstrom, M.W., Herzer, R., Stevenson, Andrew J., Childs, J.R., Scholl, David W., and Vallier, Tracy L., 1982, Tonga Ridge; initial results of new geologic and geophysical studies, in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1121. Wong, Florence L., and Greene, H. Gary, 1984, Hydrocarbon- and mineral-resource investigations in the Southwest Pacific, in Clarke, Samuel H., ed., U.S. Geological Survey highlights in marine research: U.S. Geological Survey Circular 0938, p. 37-48. Stevenson, Andrew J., and Childs, Jonathan R., 1985, Single channel seismic and geopotential data collection and processing, in Scholl, David W., and Vallier, Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council Energy and Mineral Resources. Childs, Jonathan R., 1985, Acoustic properties of sediment on the southern Tonga Platform as determined from seismic sonobuoy studies, in Scholl, David W., and Vallier, Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council Energy and Mineral Resources. Mann, Dennis M., 1985, Multichannel profiles collected in 1982 in the Tonga region of the South Pacific, in Scholl, David W., and Vallier, Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council Energy and Mineral Resources. Koski, Randolph A., Hein, James R., Bouse, Robin M., and Sliney, Rosemary E., 1985, Composition and origin of ferromanganese crusts from Tonga Platform, Southwest Pacific, in Scholl, David W., and Vallier, Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council Energy and Mineral Resources. Cole, Jeffrey E., and Mann, Dennis M., 1985, Velocity analyses of near seafloor strata based on multichannel seismic data from the Tonga Platform, in Scholl, David W., and Vallier, Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council Energy and Mineral Resources. Mann, Dennis M., Scholl, David W., and Sliter, Ray W., 1986, Multichannel seismic-reflection data collected in 1982 in the Tonga region of the South Pacific Ocean: U.S. Geological Survey Open-File Report 86-0457, 4 p., 2 sheets. Bruns, T.R., Cooper, A.K., Mann, D.M., and Vedder, John G., 1986, Seismic stratigraphy and structure of sedimentary basins in the Solomon Islands region, in Vedder, John G., Pound, K.S., and Boundy, S.Q., eds., Geology and offshore resources of Pacific island arcs; central and western Solomon Islands: Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, v. 4, p. 177-214. 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. <A HREF="<http://www.ngdc.noaa.gov/mgg/fliers/87-MGG-10>"><http://www.ngdc.noaa.gov/mgg/fliers/87-MGG-10>



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-5-82-sp.072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198203281231420    198204240129180
    198204240155240    198204241108540
    198204241134480    198204241610480
    198204241707480    198204242201240
    198204242316300    198204252032180
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (l-5-82-sp.153_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198203281231420    198203281928420
    198203281950420    198203282025000
    198203282048000    198203282106000
    198203282148000    198203290036300
    198203290136300    198203290242300
    198203290300300    198203291154300
    198203291215060    198203291525300
    198203291722420    198203300112420
    198203300432240    198203300700240
    198203300729300    198203301827180
    198203301847180    198203302132480
    198204020222000    198204020252000
    198204020335000    198204020535000
    198204020615000    198204022010540
    198204022042540    198204030000540
    198204030006180    198204030904240
    198204031029360    198204031300360
    198204031342360    198204031940180
    198204032013180    198204032153240
    198204032253360    198204032354360
    198204040042420    198204040736540
    198204040912540    198204042052540
    198204042141060    198204050023240
    198204050049540    198204050224540
    198204050303540    198204050355540
    198204050402540    198204051140540
    198204051337540    198204052300360
    198204052314360    198204052334360
    198204052342240    198204060124240
    198204060137060    198204060217180
    198204060323180    198204061641000
    198204061701060    198204061853180
    198204061905000    198204062007180
    198204062140240    198204070116540
    198204070133540    198204070151540
    198204070157060    198204071444300
    198204071558300    198204071930360
    198204072313000    198204080153180
    198204080237000    198204080355000
    198204080407000    198204080511000
    198204080548060    198204080822060
    198204080858060    198204080914060
    198204080948060    198204081800420
    198204081902420    198204082124420
    198204082146300    198204090254420
    198204090301000    198204092140000
    198204092153000    198204092257180
    198204092308180    198204092354180
    198204100001480    198204100648420
    198204100757420    198204110624360
    198204110719360    198204110824360
    198204110942360    198204111225000
    198204111307540    198204111400000
    198204111427540    198204112206540
    198204112304480    198204120926240
    198204120958240    198204121236240
    198204121408240    198204121418240
    198204121424240    198204121514240
    198204121526240    198204122331240
    198204122337240    198204122337240
    198204122343240    198204130113240
    198204130240480    198204130910480
    198204130953480    198204131424360
    198204131509360    198204131952360
    198204132152000    198204132234000
    198204140125240    198204140341300
    198204140450420    198204140828420
    198204141048420    198204141158420
    198204141412420    198204141506420
    198204150055120    198204150125180
    198204150155120    198204150243180
    198204150305180    198204150325180
    198204150355180    198204150437180
    198204151206420    198204151350420
    198204151414420    198204151436420
    198204151826420    198204152254420
    198204160113420    198204160123420
    198204160142240    198204160226420
    198204160352420    198204160554420
    198204160736420    198204160754420
    198204161111420    198204161406420
    198204161441420    198204161554420
    198204161716420    198204161836420
    198204161918420    198204162254420
    198204162300300    198204170001000
    198204170006060    198204170040060
    198204170130060    198204170224060
    198204170234240    198204170852300
    198204170940360    198204171502360
    198204171623360    198204171658000
    198204171756000    198204171854000
    198204171902000    198204172224180
    198204172242360    198204172246360
    198204172251540    198204180942480
    198204181018480    198204181758180
    198204181842180    198204190142300
    198204190154120    198204190426300
    198204190520300    198204190658300
    198204190716300    198204191118360
    198204191154360    198204191630420
    198204191721000    198204191937180
    198204230427180    198204230631180
    198204230715180    198204230845180
    198204230913180    198204231141180
    198204231203180    198204231337180
    198204231506180    198204231552360
    198204231607060    198204231653180
    198204231715180    198204231953180
    198204232008060    198204232039000
    198204232117000    198204232154000
    198204232206240    198204240129180
    198204240155240    198204240824300
    198204240838540    198204241108540
    198204241134480    198204241610480
    198204241707480    198204242054240
    198204242110540    198204242201240
    198204242316300    198204250458540
    198204250511000    198204252032180
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-5-82-sp.223_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198203282013520    198203290248520
    198203290305320    198203291159400
    198203291220160    198203291531240
    198203300359240    198203300706320
    198203300720320    198203302053480
    198204020820560    198204032200140
    198204032247340    198204040000180
    198204040029320    198204042059160
    198204042105080    198204050030220
    198204050055000    198204052341240
    198204052347240    198204060130000
    198204060142080    198204061859560
    198204061910080    198204071935560
    198204072307000    198204080200160
    198204080242000    198204080400210
    198204080412000    198204082129560
    198204082151360    198204090259560
    198204090306040    198204100000140
    198204100006520    198204112212520
    198204112259480    198204130120000
    198204130245480    198204132003080
    198204140037230    198204140100310
    198204140110110    198204140353160
    198204160248400    198204160956250
    198204161907000    198204162300270
    198204162305310    198204170052550
    198204170908530    198204171602570
    198204171717240    198204172230140
    198204172247400    198204190148360
    198204190159120    198204191635360
    198204230740160    198204231558400
    198204231612040    198204232000140
    198204232013080    198204232130040
    198204232135180    198204232200200
    198204232211240    198204232359560
    198204240005000    198204240135200
    198204240200260    198204240830000
    198204240844000    198204241114240
    198204241139480    198204242100440
    198204242115540    198204242359560
    198204250005320    198204250505480
    198204250516000    198204252032160
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-5-82-sp.331_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198203281937060    198203290016000
    198203290031060    198203290031060
    198203290045000    198203290100300
    198203290122420    198203290122420
    198203290136420    198203290205300
    198203290217360    198203290229540
    198203290245240    198203290318420
    198203290355300    198203291538180
    198203300356060    198203300734420
    198203300746420    198203300919360
    198203300929480    198203300939120
    198203300949300    198203300949300
    198203301000060    198203301631060
    198203301642480    198203302049420
    198204020230060    198204020542420
    198204020849300    198204030308300
    198204030325360    198204030610180
    198204030620420    198204031252360
    198204031303240    198204031504540
    198204031527060    198204041106120
    198204041116180    198204042159180
    198204050303540    198204051345000
    198204051357540    198204052020480
    198204052031060    198204052108240
    198204052119420    198204060217420
    198204060230300    198204060311000
    198204060350120    198204062004540
    198204062301540    198204071502240
    198204071524120    198204080449240
    198204080503420    198204100248300
    198204100258480    198204101051540
    198204101102420    198204101117000
    198204101130240    198204101240360
    198204101254120    198204101459360
    198204101517300    198204130039000
    198204130051180    198204131509240
    198204131520480    198204132008540
    198204132019120    198204132111420
    198204132122420    198204132122420
    198204132134360    198204132214060
    198204132226540    198204132226540
    198204132239060    198204132300420
    198204132312300    198204132323060
    198204132342480    198204140509300
    198204140520060    198204140520060
    198204140530240    198204140649060
    198204140700180    198204140700180
    198204140712300    198204140712300
    198204140724060    198204140730240
    198204140740540    198204140830240
    198204140841480    198204140949420
    198204141000060    198204141000060
    198204141011000    198204141011000
    198204141025060    198204141030060
    198204141044360    198204141634000
    198204141644060    198204150740060
    198204150751420    198204150751420
    198204150802420    198204150811300
    198204150823300    198204150843240
    198204150854060    198204161027480
    198204161040000    198204161040000
    198204161053360    198204161102540
    198204161119420    198204161119420
    198204161131360    198204161131360
    198204161144000    198204161144000
    198204161155000    198204161204240
    198204161216180    198204161229120
    198204161241480    198204161241480
    198204161251540    198204161256060
    198204161310420    198204161310420
    198204161325000    198204161325000
    198204161337240    198204161347060
    198204161357420    198204161358540
    198204161409420    198204170100360
    198204171007180    198204190808000
    198204190823000    198204191634300
    198204230619240    198204232352360
    198204240018000    198204240844540
    198204240905540    198204242115360
    198204242127480    198204250004480
    198204250019420    198204250143000
    198204250154360    198204250559300
    198204250628420    198204252031300
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (l-5-82-sp.420_072)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198204021007280    198204021037470
    198204021043470    198204021203480
    198204021209280    198204021425080
    198204021431480    198204021556280
    198204021603080    198204021646280
    198204021713080    198204022129500
    198204022139500    198204022139500
    198204022146300    198204022236100
    198204022302100    198204022342120
    198204030012120    198204030042080
    198204030052080    198204030135330
    198204030201540    198204030238350
    198204030315170    198204030348370
    198204030424180    198204030500580
    198204030537380    198204030610580
    198204030647380    198204030720580
    198204030759580    198204030906180
    198204031033380    198204031113390
    198204031120190    198204031506580
    198204031513380    198204031613370
    198204031623370    198204031700160
    198204032154340    198204040207520
    198204040214320    198204040554320
    198204041151210    198204041911210
    198204041918010    198204041918010
    198204041924410    198204042044430
    198204050131180    198204050834390
    198204050841190    198204051134420
    198204051141220    198204051244420
    198204051251220    198204051334420
    198204051400020    198204051406420
    198204051413220    198204060203220
    198204060413440    198204061413380
    198204061420180    198204061956030
    198204062147240    198204071437420
    198204071611020    198204080149410
    198204080238010    198204080958020
    198204081014420    198204081058020
    198204081121220    198204081741230
    198204081800030    198204081833230
    198204081839430    198204082303030
    198204082326230    198204090016230
    198204090029030    198204090255430
    198204090305230    198204090735230
    198204090745230    198204091105210
    198204091114210    198204091931010
    198204091936210    198204092139450
    198204092149450    198204092359460
    198204100006130    198204100006130
    198204100023060    198204100106270
    198204100116470    198204100636480
    198204100752060    198204100854080
    198204100903480    198204110603410
    198204110716160    198204110842560
    198204110957160    198204111130560
    198204111137360    198204111137360
    198204111150560    198204111614160
    198204111624160    198204111624160
    198204111634160    198204120137360
    198204120153360    198204120403370
    198204120410170    198204120410170
    198204120416570    198204120453370
    198204120510170    198204120546570
    198204120954370    198204121111210
    198204121118010    198204121254410
    198204121309220    198204130132410
    198204130142410    198204130222410
    198204130229210    198204130229210
    198204130256010    198204130332410
    198204130409210    198204130449210
    198204130526010    198204130606010
    198204130639210    198204130906010
    198204130953210    198204131416440
    198204131458240    198204131641440
    198204131708240    198204131741440
    198204131811440    198204131951440
    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-5-82-SP data set <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-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: 0.9
Network links: <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-sp.nav.html>

Data format: ASCII Size: 1.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-sp.grav.html>

Data format: ASCII Size: 2.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-sp.mag.html>

Data format: ASCII Size: 1.0
Network links: <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-sp.bath.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/l/l582sp/html/l-5-82-sp.seis.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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