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What does this data set describe?

Title:
Geophysical data of field activity L-9-80-BS in Bering Sea, Alaska from 09/24/1980 to 10/06/1980
Abstract:
Chief Scientists: Gary Boucher, Mike Fisher. Geophysical data (sonobuoy, 12khz, 3dot5khz, airgun, gravity, magnetics, airgunmonitor, bathnav, bathgravnav, LoranC, dopplersonar, integratednavigation, transitsatellite, uniboom, 24channel) of field activity L-9-80-BS in Bering Sea, Alaska from 09/24/1980 to 10/06/1980, <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.meta.html>.
Supplemental_Information:

Equipment Used -
sonobuoy
12khz 12 khz bathymetry
3dot5khz 3.5 khz bathymetry
airgun single-channel airgun
gravity
magnetics magnetometer
airgunmonitor single-channel airgun monitor
bathnav bathymetry+navigation
bathgravnav gravity/bathymetry navigation
LoranC
dopplersonar
integratednavigation
transitsatellite satellite navigation
uniboom
24channel 24-channel seismic
Publications -
Mann, Dennis M., and Fisher, Michael A., 1991, Multichannel seismic-reflection
data collected in 1980 in Norton Sound, Alaska: U.S. Geological Survey Open-File
Report 91-0254, 4 p., 1 sheet.<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/>, 20131101, Geophysical data of field activity L-9-80-BS in Bering Sea, Alaska from 09/24/1980 to 10/06/1980: 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: -169.58138
    East_Bounding_Coordinate: -163.07487
    North_Bounding_Coordinate: 64.47030
    South_Bounding_Coordinate: 61.83404

  3. What does it look like?

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

    Beginning_Date: 24-Sep-1980
    Ending_Date: 06-Oct-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: Bering Sea, Alaska
      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?

    Barb Blubaugh (Navigator); Darrell Klingman (Geophysicist); Dave Jones (Geophysicist); Dave Melendrez (Chief Mate); Gary Boucher (Chief Scientist); Glen Barker (Mechanical Technician); Gordon Tanner (Electronics Technician); Guy Cochrane (Geophysicist); Jim Saltzgaber (Chief Engineer); Kaye Kinoshita (Navigator); Larry Flora (Watchstander); Lyn Smith (Navigator); Mike Fisher (Chief Scientist); Paul Wenberg (Mechanical Technician); Richard Heagney (Ship Captain); Roy Fields (Electronics Technician); Susan Besser (Dafe Curator)

  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.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L980BS]L980BS.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 4)
    Gravity Data
    10/31/1998  /tiger/l/l980bs/grav/l-9-80-bs.161_052
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    11/13/85 BARB DRS$DATA:[L980BS.G]L980BS.161;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    
    Input was...
    Converted to time format with year at start.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L980BS]L980BS.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: 03-May-2013 (process 3 of 4)
    Magnetics Data
    /infobank/l/l980bs/mag/l-9-80-bs.221_052
    time/data style, multi-record, in caps, without tabs
    temporal data
    earlier data set
    
    From paper archives, we found no magnetics were collected before 19802750951270;
    so we removed records preceding this time. - CDegnan, 05/03/2013
    
    Input was...
    06/20/2012 carolyn l-9-80-bs.220_052
    
    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).
    
    10/31/1998  /tiger/l/l980bs/mag/l-9-80-bs.200_052
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    11/12/85 CAROLYN DRS$DATA:[L980BS.M]L980BS.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    1st part (274/1903-277/1246)
    was L980BS._.MAGSC1       on TAM168
    was L980BS220.DAT         on MAM168
    2nd part (277/1252-280/0145)
    was L980BS.DRCPF1.MAGSD1  on TAM168
    was L980BS240.DAT         on VAM168
    
    Converted to time format with year at start.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L980BS]L980BS.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
           1         2         3         4         5
    345678901234567890123456789012345678901234567890123456789
    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/l980bs/bath/l-9-80-bs.335_052
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/10/85 BECKIE DUA0:[DATA.L980BS.B]L980BS.335;
    DRB0:[DRS.BAT]BATRED.EXE;1
    This file is hand-digetized bathy, observed (no interpolation).
    
    09/10/85 BECKIE DUA0:[DATA.L980BS.B]L980BS.310;
    DRB0:[DRS.NGDC]UNREFNGDC.EXE;
    This file is hand-digetized bathy in 2-way traveltime(secs).
    
    Input was...
    Converted to time format with year at start.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L980BS]L980BS.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:
    Mann, Dennis M., and Fisher, Michael A., 1991, Multichannel seismic-reflection data collected in 1980 in Norton Sound, Alaska: U.S. Geological Survey Open-File Report 91-0254, 4 p., 1 sheet.



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-9-80-bs.052 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198009241516330    198010062346000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (l-9-80-bs.161_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198009241526120    198009241748300
    198009241806480    198009242021480
    198009242038480    198009242104120
    198009242125000    198009242204000
    198009242317000    198009250018000
    198009250035000    198009250128000
    198009250911000    198009251633000
    198009251806000    198009252244000
    198009260155000    198009260808000
    198009272305480    198009280421000
    198009280653180    198009281413420
    198009281557420    198009281846000
    198009281942180    198009290001480
    198009290205480    198009291029000
    198009291115000    198009291557000
    198009291647000    198009292054000
    198009292349000    198009300403000
    198009300410000    198009300614000
    198009300701000    198009300851000
    198009300905000    198009301851000
    198009302109000    198009302359000
    198010010120120    198010010637480
    198010010735300    198010010844300
    198010010938300    198010011343300
    198010011412480    198010012030120
    198010012113120    198010020325300
    198010020356480    198010021156120
    198010021238120    198010022039000
    198010022104000    198010030528000
    198010030617000    198010031355000
    198010031512000    198010032257000
    198010040019000    198010040600000
    198010040629000    198010041817000
    198010041838000    198010050754000
    198010050820000    198010052150000
    198010052236000    198010060017000
    198010060049000    198010060952000
    198010061025000    198010061306000
    198010061552000    198010061642000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-9-80-bs.221_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010010951270    198010031246120
    198010031252300    198010040514420
    198010040700000    198010060000000
    198010060032060    198010060145000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-9-80-bs.335_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198009260651000    198009261038000
    198009272045000    198009280315000
    198009280330000    198009281630000
    198009281643000    198009290006000
    198009290045000    198009291414000
    198009291447000    198009291916000
    198009291958000    198009292356000
    198009300013000    198009302312000
    198009302333000    198010010645000
    198010010930000    198010022317000
    198010022330000    198010031025000
    198010031405000    198010031508000
    198010031521000    198010042100000
    198010042131000    198010042235000
    198010042340000    198010051353000
    198010051406000    198010060504000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (l-9-80-bs.420_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198009250916020    198009251356180
    198009251832560    198009252228150
    198009260103090    198009260304590
    198009260311430    198009260552000
    198009260602000    198009260657010
    198009260703360    198009260823010
    198009272113030    198009280423430
    198009280747420    198009280918150
    198009280925020    198009281138180
    198009281143250    198009281319550
    198009281327340    198009281408340
    198009281616070    198009281845060
    198009281933190    198009290000230
    198009290222190    198009291026520
    198009291117430    198009291444280
    198009291453190    198009291829220
    198009291838340    198009292106460
    198009300022340    198009300612570
    198009300933260    198009301833520
    198009302133080    198009302244570
    198009302257430    198009302313330
    198009302326090    198010010221310
    198010010233540    198010010249310
    198010010302020    198010010634470
    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-9-80-BS data set <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.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: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.nav.html>

Data format: ASCII Size: 0.9
Network links: <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.grav.html>

Data format: ASCII Size: 4.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.mag.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.bath.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l980bs/html/l-9-80-bs.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 14:03:40 2013