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What does this data set describe?

Title:
Geophysical data of field activity L-6-80-BS in North Bering Sea, Alaska from 07/08/1980 to 07/28/1980
Abstract:
Chief Scientists: Alan Cooper, Mike Marlow. Geophysical data (integratednavigation, bathgravmagnav, magnetics, airgun, uniboom, 3dot5khz, 12khz, gravity, sonobuoy, dopplersonar, RhoRho, transitsatellite, 24channel, airgunmonitor) of field activity L-6-80-BS in North Bering Sea, Alaska from 07/08/1980 to 07/28/1980, <http://walrus.wr.usgs.gov/infobank/l/l680bs/html/l-6-80-bs.meta.html>.
Supplemental_Information:

Equipment Used -
integratednavigation shipboard integrated navigation
bathgravmagnav gravity with magnetics and navigation
magnetics shipboard magnetometer
airgun single-channel airgun
uniboom
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
gravity shipboard gravity
sonobuoy
dopplersonar
RhoRho LoranC RhoRho
transitsatellite
24channel
airgunmonitor
Publications -
Childs, J.R., Cooper, A.K., and Wright, A.W., 1981, Residual magnetic map of Umnak Plateau region,
southeastern Bering Sea: U.S. Geological Survey Geophysical Investigations Map GP-0939, 1 sheet.<BR>
<HR>
Marlow, Michael S., Cooper, Alan K., and Childs, Jonathan R., 1981, Geophysical survey of
Anadyr and Navarin basins, northern Bering Sea, in 1981 American Association of Petroleum
Geologists annual convention with division; Society For Sedimentary Geology/EMD/DPA: American
Association of Petroleum Geologists Bulletin, v. 65, no. 5, p. 953.<BR>
<HR>
Marlow, Michael S., Cooper, Alan K., and Childs, Jonathan R., 1983, Tectonic evolution of Gulf
of Anadyr and formation of Anadyr and Navarin basins: American Association of Petroleum
Geologists Bulletin, v. 67, no. 4, p. 646-665.<BR>
<HR>
Marlow, Michael S., Cooper, A.K., Smith, G.L., and Chase, T.E., 1982, Multichannel
seismic-reflection profiles collected in 1980 in the northern Bering Sea: U.S. Geological
Survey Open-File Report 82-1090, 3 p.<BR>
<HR>
Cooper, A.K., Marlow, M.S., and Magistrale, Harold, 1983, Digital gravity and magnetic data
collected in 1980 in the northern Bering Sea: U.S. Geological Survey Open-File Report 83-0519,
4 p.<BR>
<HR>
Cooper, Alan K., Marlow, Michael S., Geist, Eric L., and Smith, Gregory L., 1991,
Multichannel seismic-reflection profiles collected in 1980 from southern Bering Sea,
Alaska: U.S. Geological Survey Open-File Report 91-0317, 4 p.<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), Coastal and Marine Geology (CMG), 20081216, Geophysical data of field activity L-6-80-BS in North Bering Sea, Alaska from 07/08/1980 to 07/28/1980: U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG).

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: 179.90149
    East_Bounding_Coordinate: -165.72862
    North_Bounding_Coordinate: 65.11386
    South_Bounding_Coordinate: 53.03430

  3. What does it look like?

    <http://walrus.wr.usgs.gov/infobank/l/l680bs/html/l-6-80-bs.nav.gif> (GIF)
    Trackline map of L-6-80-BS
    <http://walrus.wr.usgs.gov/infobank/l/l680bs/html/l-6-80-bs.grav.gif> (GIF)
    Gravity data trackline map of L-6-80-BS
    <http://walrus.wr.usgs.gov/infobank/l/l680bs/html/l-6-80-bs.mag.gif> (GIF)
    Magnetics data trackline map of L-6-80-BS
    <http://walrus.wr.usgs.gov/infobank/l/l680bs/html/l-6-80-bs.bath.gif> (GIF)
    Bathymetry data trackline map of L-6-80-BS

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

    Beginning_Date: 08-Jul-1980
    Ending_Date: 28-Jul-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: North 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
    Entity_and_Attribute_Detail_Citation:
    Edited bathymetry data with corrected depths 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, 2WayTravelTime, UncorrDepth, CorrDepth)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.4, t23, f7.1, t31, f7.1)
C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f %7.1f %7.1f\\n)
Naming:         .320
    Entity_and_Attribute_Overview: Gravity with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    SKIPNSAVED Free Air Anomaly data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, Eotvos, ObsGrv, TheoGrv, FAA)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f6.1, t23, f9.1, t33, f9.1, t43, f8.1)
C format:       (%4.4i%3.3i3%2.2i%1.1i %6.1f %9.1f %9.1f %8.1f\\n)
Naming:         .150
    Entity_and_Attribute_Overview: Magnetics with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Raw magnetics data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, MstObs)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.1)
C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f\\n)
Naming:         .200
    Entity_and_Attribute_Overview: Navigation with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Integrated navigation (SINS) data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, Latitude, Longitude)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f9.5, t26, f10.5)
C format:       (%4.4i%3.3i3%2.2i%1.1i %9.5f %10.5f\\n)
Naming:         .050
    Entity_and_Attribute_Overview: Seismic Shots with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Edited seismic shot point data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, Line, Shot)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, a5, t22, i5)
C format:       (%4.4i%3.3i3%2.2i%1.1i %5s %5i\\n)
Naming:         .420

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

    • U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)

  2. Who also contributed to the data set?

    Aaron Dunwald (Chief Engineer); Alan Cooper (Chief Scientist); Dave Jones (Geologist); Eva Vanek (Navigator); Frank Johnson (Chief Mate); Gordon Tanner (Electronics Technician); Harold Magistrale (Geophysicist); Jackie Eaby (Navigator); Jill McCarthy (Dafe Curator); Jim Joyce (Geologist); Jon Greenberg (Geologist); Jon Childs (Geophysicist); Jon Erickson (Mechanical Technician); Meg Kingston (Navigator); Mike Marlow (Chief Scientist); Paul Wenberg (Mechanical Technician); Richard Heagney (Ship Captain); Roy Fields (Electronics Technician)

  3. To whom should users address questions about the data?

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@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.

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L680BS]L680BS.052;
DRB0:[DRS.REFMT]REFORMAT.EXE;5

    Person who carried out this activity:

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 31-Oct-1998 (process 2 of 4)
    Gravity Data 
    10/31/1998  /tiger/l/l680bs/grav/l-6-80-bs.153_052
/bear/programs/edit/automerge/automerge

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

10/25/85 BARB DRS$DATA:[L680BS.G]L680BS.153;
DRB0:[DRS.REFMT]REFORMAT.EXE;4

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

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L680BS]L680BS.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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 31-Oct-1998 (process 3 of 4)
    Magnetics Data 
    10/31/1998  /tiger/l/l680bs/mag/l-6-80-bs.200_052
/bear/programs/edit/automerge/automerge

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

10/31/85 CAROLYN DRS$DATA:[L680BS.M]L680BS.200;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
was L680BS.SATSA1.MAGSC1 on TAM395
was L680BS240.DAT        on VAM395

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

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L680BS]L680BS.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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 31-Oct-1998 (process 4 of 4)
    Bathymetry Data 
    10/31/1998  /tiger/l/l680bs/bath/l-6-80-bs.325_052
/bear/programs/edit/automerge/automerge

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

09/06/85 BECKIE DUA0:[DATA.L680BS.B]L680BS.325;
DRB0:[DRS.NGDC]UNREFNGDC.EXE;
This file was hand-digetized in 2-way traveltime(secs).
Mathews area 25 was used to calculate corr_depth.

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

11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.L680BS]L680BS.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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

  3. What similar or related data should the user be aware of?

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG), Unknown, USGS/CMG Information Bank: U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG).

    Online Links:

    Other_Citation_Details: Updated daily

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-6-80-bs.052 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198007080758000    198007280400000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (l-6-80-bs.153_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198007090501180    198007091054000
198007091206000    198007091726000
198007091732000    198007100216000
198007100328000    198007101324000
198007111956000    198007112025000
198007112056000    198007112139000
198007112231000    198007120028000
198007120118000    198007120153000
198007120213000    198007120439000
198007120459000    198007130621000
198007130717000    198007131900000
198007131933000    198007140129000
198007140229000    198007141246000
198007141254000    198007141957000
198007142349000    198007150047000
198007150202000    198007150259000
198007150348000    198007150934000
198007151002000    198007151250000
198007151259180    198007160251000
198007160418000    198007161852000
198007162251000    198007170007000
198007170027000    198007171802000
198007171831000    198007180733000
198007180739000    198007181153000
198007181225000    198007182254000
198007182310180    198007190325180
198007190415180    198007191900000
198007191935000    198007192312000
198007192320000    198007201513000
198007201730000    198007211240000
198007211248000    198007211800000
198007211902000    198007220533000
198007220713000    198007221415000
198007221428180    198007231548000
198007231630000    198007240614000
198007240826000    198007251221000
198007251500000    198007260219000
198007260250000    198007260311000
198007260323000    198007260815000
198007260829000    198007261001000
198007261054000    198007261825180
198007261912180    198007261916180
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Magnetics Data (l-6-80-bs.200_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198007090118060    198007090307000
198007090826420    198007090835300
198007100354360    198007110144240
198007110255000    198007110945000
198007110951000    198007130630060
198007130702180    198007142000480
198007142350180    198007160210120
198007160220180    198007161855420
198007162240420    198007172300420
198007172337000    198007190252000
198007190421060    198007190529300
198007190542240    198007191903060
198007191909360    198007191910060
198007191952480    198007220409000
198007220417240    198007220516120
198007220751060    198007250414300
198007250423120    198007270914120
198007270951180    198007271026240
198007271103000    198007271138000
198007271214360    198007271549240
198007271626000    198007271701060
198007271737480    198007271849000
198007271925360    198007272112300
198007272149120    198007280047540
198007280125000    198007280210480
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (l-6-80-bs.325_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198007090115300    198007090315120
198007090900000    198007100746000
198007100758540    198007131244480
198007131300060    198007131904540
198007131925360    198007142000000
198007150000300    198007151928120
198007151940000    198007160215120
198007160230120    198007160400000
198007160413480    198007161905000
198007170043000    198007170134420
198007170145060    198007172300120
198007172315000    198007182113180
198007182135000    198007210849540
198007210921060    198007252005060
198007252100240    198007261829060
198007261920000    198007270243180
198007270254540    198007271539540
198007271600120    198007280340000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (l-6-80-bs.422_052)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198007091328540    198007100111050
198007100123380    198007100331050
198007100410170    198007100435480
198007100458460    198007100708180
198007100713560    198007100740080
198007100746150    198007100746150
198007100752120    198007100901380
198007100908010    198007101622000
198007111529250    198007111717480
198007111725230    198007120043440
198007120049290    198007120221490
198007120235020    198007120303370
198007120345190    198007120412190
198007120448080    198007120750200
198007120757190    198007121529080
198007121546220    198007121820030
198007121827350    198007121916340
198007121948570    198007122022520
198007122110060    198007122117180
198007122123460    198007122134340
198007122227100    198007130621160
198007130733010    198007130938220
198007130944280    198007131011590
198007131051420    198007131116100
198007131205030    198007131208070
198007131214140    198007131232340
198007131318060    198007131336270
198007131345370    198007131345370
198007131416100    198007131854180
198007131927550    198007132201330
198007132207080    198007140136350
198007140243460    198007141629460
198007141652450    198007141952230
198007170231250    198007170639330
198007170733220    198007171759090
198007171834500    198007172015060
198007172021000    198007172050430
198007172056260    198007180052230
198007180057350    198007180201270
198007180207220    198007180228320
198007180236580    198007180849130
198007180854170    198007181158520
198007181204510    198007181425440
198007181431580    198007181832260
198007181845540    198007190245520
198007190423520    198007191543410
198007191549540    198007191549540
198007191556040    198007191653110
198007191659370    198007191800420
198007191813100    198007191854430
198007191932490    198007200139200
198007200150470    198007201505310
198007201708060    198007210352450
198007210401180    198007210500240
198007210508530    198007211747180
198007211827400    198007220147350
198007220153300    198007220519550
198007220759520    198007221202260
198007221208500    198007231055100
198007231100190    198007231458110
198007231703380    198007240444020
198007240450120    198007240523430
198007240832320    198007241517350
198007241523460    198007242022110
198007242108330    198007242141030
198007242219060    198007242253320
198007242325070    198007251149330
198007251501490    198007251931060
198007251936570    198007251948390
198007251954280    198007260209180
198007260308130    198007260502590
198007260509250    198007261004070
198007261056140    198007261819270
198007261918140    198007262207130
198007262213240    198007270238100
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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

  2. What's the catalog number I need to order this data set?

    Downloadable Data L-6-80-BS data set

  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?

Who wrote the metadata?

Dates:
Last modified: 16-Dec-2008
Metadata author:
U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
c/o Clint Steele
Data Acquisition, Processing, and Storage (DAPS) Group Leader
USGS, MailStop 999, 345 Middlefield Road
Menlo Park, CA 94025-3561
USA

(650) 329-5055 (voice)
(650) 329-5190 (FAX)
csteele@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

Generated by mp version 2.9.2 on Tue Dec 16 03:32:59 2008