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What does this data set describe?

Title:
Geological and Geophysical data of field activity S-6-78-EG in Eastern Gulf of Alaska from 07/10/1978 to 07/20/1978
Abstract:
Chief Scientists: Bruce Molnia, Paul Carlson. Geological and Geophysical data (3dot5khz, 12khz, airgunarcer, gravitycore, VanVeengrab, uniboom, tempsalinometer, underwatertelevision, minisparker, sparker, underwatercamera, sidescansonar, integratednavigation, LoranC, transitsatellite) of field activity S-6-78-EG in Eastern Gulf of Alaska from 07/10/1978 to 07/20/1978, <http://walrus.wr.usgs.gov/infobank/s/s678eg/html/s-6-78-eg.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
airgunarcer single channel arcer
gravitycore
VanVeengrab
uniboom
tempsalinometer thermo-salinity meter
underwatertelevision video camera
minisparker
sparker
underwatercamera
sidescansonar
integratednavigation
LoranC
transitsatellite
Publications -
Carlson, P.R., Molnia, B.F., and Wheeler, M.C., 1980, Seafloor geologic hazards in OCS lease
area 55, eastern Gulf of Alaska: Offshore Technology Conference Proceedings, no. 12, v. 4,
p. 593-603. <BR>
<HR>
Molnia, B.F., and Carlson, P.R., 1980, Quaternary sedimentary facies of the northeast Gulf
of Alaska Continental Shelf: U.S. Geological Survey Professional Paper 1175, p. 158-159. <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/>, 20130106, Geological and Geophysical data of field activity S-6-78-EG in Eastern Gulf of Alaska from 07/10/1978 to 07/20/1978: 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: -149.43372
    East_Bounding_Coordinate: -138.37505
    North_Bounding_Coordinate: 60.12041
    South_Bounding_Coordinate: 59.02456

  3. What does it look like?

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

    Beginning_Date: 10-Jul-1978
    Ending_Date: 20-Jul-1978
    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: Eastern Gulf of 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:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.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?

    Bill Levy (Watchstander); Bill Schwab (Watchstander); Bob Wilson (Mechanical Technician, USGS Western Region); Bruce Molnia (Chief Scientist, USGS Western Region); Charlie Fitts (Watchstander); Dennis Thurston (Unsp Investigatr); Edith Stanley (Watchstander, Uc Davis); Glen Barker (Mechanical Technician); John Laingor (Chief Mate); John Saladin (Electronics Technician); K. Simpson (Ship Captain); Mark Wheeler (Watchstander); Mel Rappeport (Watchstander); Paul Carlson (Chief Scientist, USGS Western Region); Paula Quinterno (Dafe Curator, USGS Western Region); Rich Garlow (Watchstander, USGS Western Region); Ron Schmitz (Electronics Technician); Tom Atwood (Watchstander); Bill Soule (Chief Engineer)

  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: 06-Dec-1995 (process 1 of 2)
    Navigation Data 
    Converted to time format with year at start.

01/17/86 KAYE DUA0:[DATA.S678EG.N]S678EG.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 2)
    Bathymetry Data 
    10/31/1998  /tiger/s/s678eg/bath/s-6-78-eg.330_011
/bear/programs/edit/automerge/automerge

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

11/30/90 CAROLYN DUA0:[DRS.NGDC.CDWORK]S678EG.330;1
DUA0:[DRS.BAT]BATRED.EXE;2
Edited bathymetry data
using velocity = 1463.0 m/sec for MGD-77 format

12/16/85 BECKIE DISK$USERDISK:[BECKIE.TEMP]S678EG.301;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
I am guessing that this file is edited digitrack
bathy sampled to 5 minutes.  R.Larsen
P.S. After looking at S878WG bathy, also at 5 minute
sample rate, which was documented as being hand digetized,
this file may well be also.  S878WG bathy was reduced
using no Matthews correction and a sound velocity of
732m/sec one-way traveltime.

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

01/17/86 KAYE DUA0:[DATA.S678EG.N]S678EG.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:
    Carlson, P.R., Molnia, B.F., and Wheeler, M.C., 1980, Seafloor geologic hazards in OCS lease area 55, eastern Gulf of Alaska: Offshore Technology Conference Proceedings, no. 12, v. 4, p. 593-603. Molnia, B.F., and Carlson, P.R., 1980, Quaternary sedimentary facies of the northeast Gulf of Alaska Continental Shelf: U.S. Geological Survey Professional Paper 1175, p. 158-159.


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 (s-6-78-eg.011 [DRS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197807102154420    197807102154420
197807121657140    197807121718000
197807121723590    197807151038030
197807151100030    197807171205050
197807171211060    197807200039030
197807200051050    197807201929100
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (s-6-78-eg.330_011)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
197807121915000    197807130245000
197807130315000    197807130345000
197807130410000    197807131215000
197807131225000    197807131325000
197807131335000    197807131925000
197807131935000    197807132105000
197807132115000    197807132235000
197807132245000    197807132315000
197807132325000    197807132340000
197807132350000    197807140015000
197807140025000    197807140040000
197807140110000    197807140115000
197807140125000    197807140145000
197807140155000    197807140640000
197807140650000    197807141315000
197807141325000    197807141335000
197807141535000    197807142025000
197807142035000    197807142035000
197807142045000    197807142310000
197807142320000    197807150055000
197807150115000    197807150200000
197807150300000    197807150305000
197807150640000    197807150825000
197807150835000    197807151055000
197807151105000    197807151325000
197807151335000    197807151705000
197807151715000    197807151825000
197807152200000    197807152220000
197807152310000    197807152345000
197807160045000    197807160055000
197807160210000    197807160530000
197807160540000    197807161540000
197807161550000    197807161720000
197807161730000    197807170025000
197807170035000    197807170130000
197807170140000    197807170350000
197807170500000    197807170935000
197807171025000    197807171115000
197807171125000    197807171145000
197807171200000    197807171320000
197807171415000    197807171525000
197807171540000    197807171715000
197807171725000    197807171940000
197807171955000    197807171955000
197807172005000    197807172145000
197807172155000    197807180010000
197807180025000    197807180130000
197807180140000    197807180405000
197807180420000    197807180720000
197807180745000    197807180750000
197807180800000    197807181000000
197807181010000    197807181045000
197807181055000    197807181145000
197807181155000    197807181205000
197807181215000    197807181415000
197807181425000    197807181425000
197807181435000    197807181530000
197807181540000    197807181705000
197807181715000    197807182010000
197807182020000    197807182105000
197807182115000    197807182135000
197807182145000    197807182250000
197807182300000    197807190225000
197807190235000    197807190340000
197807190350000    197807190515000
197807190525000    197807190530000
197807190540000    197807190645000
197807190655000    197807190820000
197807190830000    197807190900000
197807190925000    197807190930000
197807191405000    197807192105000
197807192115000    197807200410000
197807200420000    197807200540000
197807200550000    197807200900000
197807200910000    197807201200000
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 S-6-78-EG data set <http://walrus.wr.usgs.gov/infobank/s/s678eg/html/s-6-78-eg.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/s/s678eg/html/s-6-78-eg.nav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/s/s678eg/html/s-6-78-eg.bath.html>

  • Cost to order the data: None

    • Who wrote the metadata?

    Dates:
    Last modified: 06-Jan-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 Sun Jan 6 07:52:38 2013