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What does this data set describe?

Title:
Geophysical data of field activity L-9-77-AR in Arctic from 08/25/1977 to 10/08/1977
Abstract:
Chief Scientists: Art Grantz, Steve Eittreim. Geophysical data (uniboom, sonobuoy, airgun, airgunmonitor, 3dot5khz, Burgairgun, gravity, tempsalinometer, LoranC, dopplersonar, transitsatellite, 24channel, gradiometer, expendablebatthermograph, integratednavigation, minisparker) of field activity L-9-77-AR in Arctic from 08/25/1977 to 10/08/1977, <http://walrus.wr.usgs.gov/infobank/l/l977ar/html/l-9-77-ar.meta.html>.
Supplemental_Information:

Equipment Used -
uniboom
sonobuoy
airgun single-channel airgun
airgunmonitor single-channel airgun monitor
3dot5khz 3.5 khz bathymetry
Burgairgun Burg seismic
gravity
tempsalinometer temperature/salinity/conductance gauges
LoranC
dopplersonar
transitsatellite satellite-navigation system
24channel 24-channel seismic
gradiometer
expendablebatthermograph
integratednavigation
minisparker
Publications -
Agena, W.F., Lee, M.W., and Hart, P.E., 2001, Reprocessing of multi-channel
seismic-reflection data collected in the Chukchi Sea., U.S. Geological Survey
Open-File Report 2001-330, URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr01330>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr01330>
Additional publication information at:
<A HREF ="
<http://www.dggs.dnr.state.ak.us/pubs/id/14793>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/14793>


Tolson, Ralph B., Grantz, Arthur, and Mann, Dennis M., 1987, Multichannel
seismic-reflection data from the southern Chukchi Sea: U.S. Geological Survey
Open-File Report 87-0019, 7 p. URL:
<A HREF ="
<http://pubs.er.usgs.gov/publication/ofr8719>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr8719>
Additional publication information available at:
<A HREF ="
<http://www.dggs.dnr.state.ak.us/pubs/id/11691>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/11691>
<HR>
Grantz, Arthur, May, S.D., and Mann, D.M., 1982, Tracklines of multichannel seismic-reflection
data collected in the Beaufort and Chukchi Seas in 1977 for which demultiplexed field tapes
are available from the U.S. Geological Survey: U.S. Geological Survey Open-File Report 82-0651.URL:
<A HREF ="
<http://pubs.er.usgs.gov/publication/ofr82651>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr82651>
Additional Publication pdf:
<A HREF ="
<http://www.dggs.dnr.state.ak.us/pubs/id/12121>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/12121>


Grantz, Arthur, Mann, D.M., and May, S.D., 1982, Tracklines of multichannel
seismic-reflection data collected by the U. S. Geological Survey in the
Beaufort and Chukchi seas in 1977 for which profiles and stack tapes are
available, 1 sheet. U.S. Geological Survey Open-File Report 82-735, URL:
<a HREF ="
<http://pubs.er.usgs.gov/publication/ofr82735>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr82735>
Additional publication information available at:
<A HREF ="
<http://www.dggs.dnr.state.ak.us/pubs/id/12124>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/12124>

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/>, 20131101, Geophysical data of field activity L-9-77-AR in Arctic from 08/25/1977 to 10/08/1977: 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: -168.62703
    East_Bounding_Coordinate: -140.86696
    North_Bounding_Coordinate: 72.76758
    South_Bounding_Coordinate: 64.48080

  3. What does it look like?

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

    Beginning_Date: 25-Aug-1977
    Ending_Date: 08-Oct-1977
    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: Arctic
      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?

    Art Grantz (Chief Scientist); Byron Ruppel (Geophysicist); Dave Aldridge (Watchstander); Dave Dinter (Watchstander); Dave Hogg (Mechanical Technician); Dennis Mann (Navigator); Don Auburn (Chief Engineer); Gary Younse (Watchstander); George Asuncion (Electronics Technician); Glen Barker (Mechanical Technician); Jack Lee (Electronics Technician); Jeff Rupert (Watchstander); Jim Mackrow (Chief Mate); Joe Edwards (Mechanical Technician); Jon Erickson (Mechanical Technician); Juan Richardson (Watchstander); Nick Lefteriou (Watchstander); Olive Whitney (Dafe Curator); Paul Twichell (Mechanical Technician); Ray Wells (Watchstander); Stephen Davenport (Navigator); Steve Eittreim (Chief Scientist); Terry Kelley (Electronics Technician); Terry Ruff (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: 22-Jan-1996 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    01/24/86 KAYE DUA0:[DATA.L977AR.N]L977AR.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    

    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/l977ar/grav/l-9-77-ar.161_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    12/23/85 BARB DUA0:[DATA.L977AR.G]L977AR.161;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    01/24/86 KAYE DUA0:[DATA.L977AR.N]L977AR.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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: 21-Jun-2012 (process 3 of 4)
    Magnetics Data
    06/21/2012 carolyn l-9-77-ar.260_011
    
    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/l977ar/mag/l-9-77-ar.240_011
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    01/30/86 CAROLYN DUA0:[DATA.L977AR.M]L977AR.240;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    241/0522-241/1321 was f.1 from Clint
    245/1818-246/0028 was f.2 from Clint
    246/0151-249/0316 was f.3 from Clint
    
    Converted to time format with year at start.
    
    01/24/86 KAYE DUA0:[DATA.L977AR.N]L977AR.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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/l977ar/bath/l-9-77-ar.335_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/10/86 BECKIE DUA0:[DATA.BECKIE]L977AR.335;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    This file was hand-digetized in 2-way traveltime(secs)
    No Matthews area was used in reduction and velocity of
    sound assumed was 1500m/sec.
    
    03/10/86 BECKIE DUA0:[DATA.BECKIE]L977AR.310;
    DRB0:[DRS.NGDC]UNREFNGDC.EXE;
    
    Input was...
    Converted to time format with year at start.
    
    01/24/86 KAYE DUA0:[DATA.L977AR.N]L977AR.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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:
    Agena, W.F., Lee, M.W., and Hart, P.E., 2001, Reprocessing of multi-channel seismic-reflection data collected in the Chukchi Sea., U.S. Geological Survey Open-File Report 2001-330, URL: <A HREF ="<http://pubs.er.usgs.gov/publication/ofr01330>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr01330> Additional publication information at: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/14793>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/14793>
    Tolson, Ralph B., Grantz, Arthur, and Mann, Dennis M., 1987, Multichannel seismic-reflection data from the southern Chukchi Sea: U.S. Geological Survey Open-File Report 87-0019, 7 p. URL: <A HREF ="
    <http://pubs.er.usgs.gov/publication/ofr8719>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr8719> Additional publication information available at: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/11691>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/11691> Grantz, Arthur, May, S.D., and Mann, D.M., 1982, Tracklines of multichannel seismic-reflection data collected in the Beaufort and Chukchi Seas in 1977 for which demultiplexed field tapes are available from the U.S. Geological Survey: U.S. Geological Survey Open-File Report 82-0651.URL: <A HREF ="<http://pubs.er.usgs.gov/publication/ofr82651>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr82651> Additional Publication pdf: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/12121>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/12121>
    Grantz, Arthur, Mann, D.M., and May, S.D., 1982, Tracklines of multichannel seismic-reflection data collected by the U. S. Geological Survey in the Beaufort and Chukchi seas in 1977 for which profiles and stack tapes are available, 1 sheet. U.S. Geological Survey Open-File Report 82-735, URL: <a HREF ="
    <http://pubs.er.usgs.gov/publication/ofr82735>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr82735> Additional publication information available at: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/12124>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/12124>



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-9-77-ar.011 [DRS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708251801500    197709280856300
    197709280920300    197709281141500
    197709281221300    197709281403500
    197709281440100    197709282358200
    197709290036000    197709300054200
    197709300156300    197710011507400
    197710012230200    197710012323400
    197710020013000    197710020700200
    197710020720400    197710030420300
    197710030500300    197710030515500
    197710030627100    197710030719100
    197710030816300    197710031224000
    197710031252000    197710040610000
    197710040710000    197710050718200
    197710050738400    197710050738400
    197710050804200    197710050821400
    197710050914200    197710050914200
    197710050938200    197710051022200
    197710051116000    197710051116000
    197710051230000    197710051244200
    197710051308200    197710051313400
    197710051404200    197710051404200
    197710051512400    197710051544000
    197710052330000    197710060010000
    197710060034000    197710060720000
    197710060750000    197710070517000
    197710070540400    197710071348000
    197710071410000    197710071756000
    197710071820000    197710071942000
    197710072106000    197710080720100
    197710080744500    197710081704300
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (l-9-77-ar.161_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708251804300    197708251926300
    197708251953300    197708252102300
    197708252109480    197708252200120
    197708252216120    197708252257120
    197708252306120    197708260648120
    197708260656120    197708260853120
    197708260922120    197708261540120
    197708261731120    197708270629120
    197708270722180    197708271813120
    197708271825120    197708281817120
    197708281824120    197708281825120
    197708281840120    197708281840120
    197708281907300    197708282142300
    197708282221420    197708290235420
    197708290303180    197708290446180
    197708290505180    197708290811180
    197708290819180    197708290857180
    197708290903300    197708291304420
    197708291345420    197708291439420
    197708310050300    197708310349300
    197708310402300    197708310432300
    197708310438300    197708310438300
    197708310504300    197708310504300
    197708310513300    197708310605300
    197708310614300    197708310724300
    197708310831300    197708311130300
    197708311139300    197708311419300
    197708311425300    197708311425300
    197708311534300    197708311534300
    197708311644300    197708311707300
    197708311715300    197708311821300
    197708311828300    197708312255480
    197708312345480    197709010406480
    197709010429480    197709010640480
    197709010651480    197709011457480
    197709011602480    197709012037480
    197709012044480    197709022113000
    197709022119000    197709030007000
    197709030102000    197709030243000
    197709031002480    197709031116480
    197709031137480    197709031358480
    197709031432480    197709031433480
    197709031503480    197709031621480
    197709031637480    197709031711480
    197709031737480    197709031838480
    197709031844480    197709032327480
    197709040003000    197709040043000
    197709040055000    197709040239000
    197709040245540    197709040310120
    197709040318120    197709040321120
    197709040330120    197709042140300
    197709042200000    197709050209300
    197709050219300    197709051148420
    197709051158420    197709051203420
    197709051215420    197709051215420
    197709051225420    197709051234420
    197709051241420    197709051248420
    197709051300420    197709060028180
    197709060216480    197709060557180
    197709060605300    197709071608000
    197709071821000    197709071940000
    197709071950000    197709072337000
    197709072346420    197709081054420
    197709081101420    197709090113480
    197709090142480    197709091602480
    197709091712480    197709092057480
    197709092151480    197709092251480
    197709092258480    197709100258000
    197709100518000    197709101243120
    197709101543120    197709102055120
    197709102112120    197709102358120
    197709110133120    197709110345120
    197709110406120    197709110555120
    197709110626120    197709110705120
    197709110801120    197709111518120
    197709111835000    197709112130000
    197709112141000    197709112237000
    197709112243000    197709112358000
    197709120109000    197709120420000
    197709120741000    197709120911180
    197709121000420    197709121640420
    197709121706420    197709121754420
    197709121800420    197709121827480
    197709121910480    197709122306480
    197709122313480    197709132006480
    197709132021480    197709132045480
    197709132051480    197709132051480
    197709132105480    197709132154480
    197709140001120    197709140316120
    197709140427120    197709140900120
    197709140908120    197709141243120
    197709141323120    197709141530120
    197709141539120    197709142001120
    197709142012120    197709150203120
    197709150212120    197709150229120
    197709150237120    197709150244120
    197709150253120    197709150254120
    197709150301120    197709150304120
    197709150313120    197709151048120
    197709151117120    197709151241120
    197709151250120    197709151757180
    197709151803180    197709151852300
    197709151952300    197709161000120
    197709161016120    197709161113120
    197709161148120    197709161355120
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    197709201722480    197709220257000
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    197709230156000    197709231258120
    197709231348120    197709231425120
    197709231431120    197709231433120
    197709231439120    197709231538120
    197709231649120    197709232248120
    197709232300420    197709240219420
    197709240245420    197709240310420
    197709240316300    197709240323300
    197709240332300    197709241032300
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    197709292229300    197709292330300
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    197709301206060    197709302318060
    197710010203060    197710011332180
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    197710020417000    197710020643000
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    197710021808000    197710030258060
    197710030328060    197710030443060
    197710030643060    197710030803060
    197710030903060    197710031107060
    197710031112540    197710031148000
    197710031155000    197710031155000
    197710031205000    197710031207000
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    197710050124180    197710050720180
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    197710071433000    197710080249000
    197710080257000    197710080447060
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-9-77-ar.260_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708290522500    197708290522580
    197709021818280    197709030028340
    197709030151300    197709030314110
    197709030712180    197709050046110
    197709052100530    197709060316090
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-9-77-ar.335_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197709152316420    197709160200240
    197709160255360    197709160316480
    197709160322060    197709160334120
    197709160340000    197709160343360
    197709160353300    197709160424060
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    197709160635360    197709160635360
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    197709300913120    197709301623060
    197709301630000    197709301730000
    197709301735300    197709302323240
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    197710010528540    197710011406000
    197710020254000    197710020604060
    197710020614060    197710021314120
    197710021327540    197710021344060
    197710021349360    197710021451300
    197710021457300    197710021610240
    197710021616179    197710021743360
    197710021749480    197710022306300
    197710022311420    197710022311420
    197710022317420    197710030119240
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    197710050345000    197710050444540
    197710050454180    197710050938180
    197710051010480    197710051025000
    197710051042120    197710051116480
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (l-9-77-ar.420_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197708261710400    197708271115590
    197708271236270    197708271546140
    197708271619000    197708272029370
    197708272158190    197708280345530
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    197709021707510    197709030326440
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    197709031836510    197709032007450
    197709040140540    197709040530450
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    197709060355430    197709060536100
    197709060557100    197709061253340
    197709061331480    197709061734100
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    197709072024390    197709072334400
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    197709080949250    197709081125580
    197709081211450    197709081227150
    197709081302250    197709082252230
    197709082346070    197709090102540
    197709090138100    197709090538370
    197709090609580    197709091700590
    197709091732390    197709092202300
    197709100015290    197709100230430
    197709100430290    197709101257310
    197709101550310    197709102344150
    197709110136350    197709111505560
    197709111739350    197709112224230
    197709112244240    197709112326170
    197709120218210    197709120323400
    197709121013090    197709121531300
    197709121602390    197709121811400
    197709122333010    197709130922480
    197709131014300    197709131244130
    197709131336320    197709131830420
    197709142202160    197709150111550
    197709150145490    197709151038060
    197709151115460    197709151334440
    197709151416120    197709151806500
    197709151953040    197709160039350
    197709160158520    197709160702480
    197709160808190    197709161150480
    197709161216400    197709161443130
    197709161503370    197709161520420
    197709161546350    197709161546350
    197709161606540    197709161709060
    197709161740070    197709162008130
    197709200906440    197709201029020
    197709201052240    197709201702100
    197709201735420    197709202014210
    197709202120010    197709210458000
    197709210556280    197709210700500
    197709210740210    197709210802500
    197709210823050    197709211237230
    197709211309470    197709212038080
    197709212151310    197709220152240
    197709220246200    197709221329090
    197709221411490    197709221606270
    197709221705170    197709230600400
    197709231331310    197709231535400
    197709231622320    197709232240110
    197709232341400    197709240045570
    197709240142560    197709240422370
    197709241350590    197709241721190
    197709241846460    197709241929320
    197709242025360    197709251350020
    197709251512380    197709252008240
    197709252054140    197709252235560
    197709252347310    197709261803140
    197709270550030    197709271042270
    197709271116460    197709271237090
    197709271324340    197709271757210
    197709271825510    197709272151410
    197709272248310    197709280706110
    197709280803310    197709281032070
    197709281111250    197709281845200
    197709281932590    197709282151220
    197709282232560    197709290520190
    197709290640500    197709291325230
    197709291428310    197709291913560
    197709291959170    197709292319270
    197709300119010    197709302106020
    197709302150440    197709302322260
    197710020508050    197710020752030
    197710020813560    197710020813560
    197710020834100    197710020912240
    197710020941080    197710020941080
    197710021006030    197710021025250
    197710021046480    197710021046480
    197710021109460    197710021109460
    197710021132430    197710021132430
    197710021159310    197710021159310
    197710021222260    197710021222260
    197710021245050    197710021245050
    197710021308130    197710021308130
    197710021331220    197710021331220
    197710021354060    197710021354060
    197710021415350    197710021415350
    197710021435500    197710021435500
    197710021456050    197710021456050
    197710021516190    197710021516190
    197710021536260    197710022114340
    197710022136100    197710022354190
    197710030017060    197710030208190
    197710030230320    197710030230320
    197710030251450    197710030251450
    197710030312480    197710030326300
    197710030537470    197710031504290
    197710031622450    197710032256590
    197710040003240    197710040831420
    197710041001230    197710041358510
    197710041516020    197710050936120
    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-9-77-AR data set <http://walrus.wr.usgs.gov/infobank/l/l977ar/html/l-9-77-ar.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/l977ar/html/l-9-77-ar.nav.html>

Data format: ASCII Size: 3.9
Network links: <http://walrus.wr.usgs.gov/infobank/l/l977ar/html/l-9-77-ar.grav.html>

Data format: ASCII Size: 4.6
Network links: <http://walrus.wr.usgs.gov/infobank/l/l977ar/html/l-9-77-ar.mag.html>

Data format: ASCII Size: 0.8
Network links: <http://walrus.wr.usgs.gov/infobank/l/l977ar/html/l-9-77-ar.bath.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/l/l977ar/html/l-9-77-ar.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 01-Nov-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 Fri Nov 1 14:03:28 2013