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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-8-80-AR in Arctic from 08/31/1980 to 09/20/1980
Abstract:
Chief Scientist: Art Grantz. Geological and Geophysical data (3dot5khz, 12khz, gravity, bathnav, bathgravnav, dopplersonar, integratednavigation, transitsatellite, dartcore, gravitycore, chaindredge, uniboom, airgun, sonobuoy, Burgairgun, 24channel, airgunmonitor, sidescansonar) of field activity L-8-80-AR in Arctic from 08/31/1980 to 09/20/1980, <http://walrus.wr.usgs.gov/infobank/l/l880ar/html/l-8-80-ar.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
gravity
bathnav bathymetry/navigation
bathgravnav gravity/bathymetry/navigation
dopplersonar
integratednavigation
transitsatellite
dartcore
gravitycore
chaindredge
uniboom
airgun single-channel airgun
sonobuoy
Burgairgun
24channel 24-channel seismic
airgunmonitor single-channel airgun monitor
sidescansonar
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>


Grantz, Arthur, Mann, Dennis M., and May, Steven D., 1986, Multichannel seismic-reflection
data collected in 1980 in the eastern Chukchi Sea: U.S. Geological Survey Open-File Report
86-0405, 4 p., 1 sheet.URL:
<A HREF = "<http://pubs.er.usgs.gov/publication/ofr86405>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr86405>
Additional publication information available at:
<A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/11622>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/11622>


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, Dinter, D.A., Hill, Edwin, and Chase, T.E., 1982, Map showing tracklines of high-resolution uniboom seismic-reflection profiles collected August 31 through September 21, 1980, in the Chukchi Sea, Alaska, 1 sheet, scale 1:1,000,000.
U.S. Geological Survey Open-File Report 82-527, URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr82527>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr82527>
Additional publication pdf URL:
<A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/12086>" target ="new"><http://www.dggs.dnr.state.ak.us/pubs/id/12086>

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/>, 20130331, Geological and Geophysical data of field activity L-8-80-AR in Arctic from 08/31/1980 to 09/20/1980: 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: -171.99014
    East_Bounding_Coordinate: -163.10323
    North_Bounding_Coordinate: 71.48888
    South_Bounding_Coordinate: 64.46445

  3. What does it look like?

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

    Beginning_Date: 31-Aug-1980
    Ending_Date: 20-Sep-1980
    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:
    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); Darrell Klingman (Watchstander); Dave Dinter (Geophysicist); Dennis Mann (Watchstander); Richard Heagney (Ship Captain); Gordon Tanner (Electronics Technician); Jim Saltzgaber (Chief Engineer); Jim Wilkerson (Chief Mate); Joe Edwards (Mechanical Technician); Kaye Kinoshita (Navigator); Larry Lawver (Geophysicist, MIT); Lyn Smith (Watchstander); Pat Baird (Biologist, Fish-Wildlife); Paul Wenberg (Mechanical Technician); Roy Fields (Electronics Technician); Steve May (Geophysicist); Susan Besser (Dafe Curator); Tad Monroe (Unspecified Investigator, State Dept); Terry Kelley (Electronics Technician)

  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 3)
    Navigation Data 
    Converted to time format with year at start.

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L880AR]L880AR.052;
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 3)
    Gravity Data 
    10/31/1998  /tiger/l/l880ar/grav/l-8-80-ar.163_052
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

11/13/85 BARB DRS$DATA:[L880AR.G]L880AR.163;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
one minute hand digitized reduced data is included in this file
 at time interval 2590351000 to 2642247000

Input was...
Converted to time format with year at start.

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L880AR]L880AR.052;
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 3 of 3)
    Bathymetry Data 
    10/31/1998  /tiger/l/l880ar/bath/l-8-80-ar.335_052
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

09/10/85 BECKIE DUA0:[DATA.L880AR.B]L880AR.335;
DRB0:[DRS.NGDC]UNREFNGDC.EXE;
This file is hand-digetized bathy, interpolated to every
two minutes.  No Matthews area was specified in the original
NGDC file, l880ar.390.

Input was...
Converted to time format with year at start.

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L880AR]L880AR.052;
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>
    Grantz, Arthur, Mann, Dennis M., and May, Steven D., 1986, Multichannel seismic-reflection data collected in 1980 in the eastern Chukchi Sea: U.S. Geological Survey Open-File Report 86-0405, 4 p., 1 sheet.URL: <A HREF = "    <http://pubs.er.usgs.gov/publication/ofr86405>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr86405> Additional publication information available at: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/11622>" target ="AK"><http://www.dggs.dnr.state.ak.us/pubs/id/11622>
    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, Dinter, D.A., Hill, Edwin, and Chase, T.E., 1982, Map showing tracklines of high-resolution uniboom seismic-reflection profiles collected August 31 through September 21, 1980, in the Chukchi Sea, Alaska, 1 sheet, scale 1:1,000,000. U.S. Geological Survey Open-File Report 82-527, URL: <A HREF ="    <http://pubs.er.usgs.gov/publication/ofr82527>" target ="OF"><http://pubs.er.usgs.gov/publication/ofr82527> Additional publication pdf URL: <A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/12086>" target ="new"><http://www.dggs.dnr.state.ak.us/pubs/id/12086>


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-8-80-ar.052 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198008310504000    198009070350000
198009070512000    198009070614000
198009070658000    198009070802000
198009070848000    198009070950000
198009071038000    198009071136000
198009071244000    198009071324000
198009071450000    198009071524000
198009071630000    198009071714000
198009071900000    198009081142400
198009081226200    198009121908000
198009122014000    198009122014000
198009122122000    198009122122000
198009122224000    198009122224000
198009122328000    198009122328000
198009130018000    198009160924000
198009161054000    198009202243000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (l-8-80-ar.163_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198009041524000    198009042245180
198009072013540    198009090549000
198009110314000    198009121849420
198009140645480    198009152101000
198009152122000    198009152300000
198009152308000    198009152329000
198009160025000    198009160026000
198009160034000    198009160210000
198009160310000    198009161252000
198009161300000    198009161938000
198009162057000    198009171245000
198009171355000    198009181017000
198009181052000    198009181230000
198009181238000    198009181302000
198009181310000    198009190208000
198009190255000    198009192317000
198009192355000    198009200309000
198009200742000    198009201055000
198009201155000    198009201536000
198009201618000    198009202243000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (l-8-80-ar.335_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198009040927000    198009051817000
198009052159000    198009081955000
198009082103000    198009091653000
198009091917000    198009121507000
198009141805000    198009141905000
198009142243000    198009150927000
198009151025000    198009171401000
198009171437000    198009200239000
198009200433000    198009202239000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (l-8-80-ar.420_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198009040922530    198009041035090
198009041041230    198009041405010
198009041414430    198009041421300
198009041431490    198009041431490
198009041436520    198009041436520
198009041442090    198009041442090
198009041447290    198009041447290
198009041452530    198009041452530
198009041458170    198009041458170
198009041503460    198009041503460
198009041509060    198009041509060
198009041514160    198009041514160
198009041519260    198009041852050
198009041902060    198009042256570
198009042307100    198009050527030
198009050533330    198009051522580
198009051529110    198009051819100
198009052156360    198009060431340
198009060437360    198009061152030
198009061612350    198009061842500
198009061849110    198009062012180
198009062021010    198009062217090
198009062223330    198009071116080
198009071128450    198009071950140
198009072117340    198009081655380
198009081700390    198009082010290
198009082103020    198009090252040
198009090257170    198009090325370
198009090331400    198009091103370
198009091111120    198009091527160
198009091533230    198009092053160
198009092058330    198009100528400
198009102004330    198009102004330
198009102010040    198009102010040
198009102015320    198009102015320
198009102020560    198009102020560
198009102026250    198009110118130
198009110124450    198009121308440
198009121315060    198009121425130
198009121430200    198009121511220
198009142242400    198009150152540
198009150201580    198009150530060
198009150539210    198009150741330
198009150751010    198009150918360
198009151139510    198009151402200
198009151535400    198009151617220
198009151624360    198009152016170
198009152022260    198009160047180
198009160054000    198009160311370
198009160318110    198009160433030
198009160439210    198009160930390
198009160937200    198009161021590
198009161100000    198009162058100
198009162104330    198009170038560
198009170048280    198009170448420
198009170743010    198009170905050
198009170911230    198009171028210
198009171034380    198009171155390
198009171202040    198009171250580
198009171257140    198009171322150
198009171328310    198009171350050
198009171441320    198009171531350
198009171538160    198009171710230
198009171717490    198009171956330
198009172004310    198009172138450
198009172146130    198009180411120
198009180532510    198009181714070
198009181720300    198009181742070
198009181853090    198009190541110
198009190648130    198009200229490
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-8-80-AR data set <http://walrus.wr.usgs.gov/infobank/l/l880ar/html/l-8-80-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: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/l/l880ar/html/l-8-80-ar.nav.html>

Data format: ASCII Size: 1.7
Network links: <http://walrus.wr.usgs.gov/infobank/l/l880ar/html/l-8-80-ar.grav.html>

Data format: ASCII Size: 0.7
Network links: <http://walrus.wr.usgs.gov/infobank/l/l880ar/html/l-8-80-ar.bath.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l880ar/html/l-8-80-ar.seis.html>

  • Cost to order the data: None

    • Who wrote the metadata?

    Dates:
    Last modified: 31-Mar-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)
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