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What does this data set describe?

Title:
Data of field activity S-2-77-EG in Eastern Gulf of Alaska from 06/05/1977 to 06/15/1977
Abstract:
Chief Scientists: Gary Winkler, George Plafker. Data (12khz, 3dot5khz, gravity, tempsalinometer, integratednavigation, miniranger, dartcore, chaindredge, uniboom, airgun) of field activity S-2-77-EG in Eastern Gulf of Alaska from 06/05/1977 to 06/15/1977, <http://walrus.wr.usgs.gov/infobank/s/s277eg/html/s-2-77-eg.meta.html>.
Supplemental_Information:

Equipment Used -
12khz
3dot5khz
gravity
tempsalinometer
integratednavigation
miniranger
dartcore
chaindredge
uniboom
airgun
Publications -
Plafker, George, and Claypool, George, 1979, Petroleum source rock potential
of rocks dredged from the continental slope in the eastern Gulf of Alaska,
U.S. Geological Survey Open File Report 79-295, URL:
<A HREF = "<http://www.ngdc.noaa.gov/mgg/geology/data/0611/06115003/usgs_ofr79-295_06115003.pdf>" target = "OF"><http://www.ngdc.noaa.gov/mgg/geology/data/0611/06115003/usgs_ofr79-295_06115003.pdf><BR>
Plafker, George, Winkler, Gary R., Hunt, Susan J., Bartsch-Winkler, Susan, Coonrad, Warren L.,
Quinterno, Paula, 1978, Outcrop samples from the continental slope in the eastern Gulf of Alaska:
U.S. Geological Survey Circular 0772-B, p. B97-B101.<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/>, 20131029, Data of field activity S-2-77-EG in Eastern Gulf of Alaska from 06/05/1977 to 06/15/1977: 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: -152.48824
    East_Bounding_Coordinate: -135.38438
    North_Bounding_Coordinate: 59.54720
    South_Bounding_Coordinate: 57.07890

  3. What does it look like?

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

    Beginning_Date: 05-Jun-1977
    Ending_Date: 15-Jun-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: 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?

    Al McClenaghan (Ship Captain); Andy Stevenson (Mechanical Technician, USGS Western Region); Gary Winkler (Chief Scientist, USGS Western Region); George Plafker (Chief Scientist, USGS Western Region); Harry Hill (Electronics Technician, USGS Western Region); Howard Sheppard (Chief Engineer, USGS Western Region); Jack Hampson (Watchstander, USGS Western Region); Jeff Rupert (Watchstander, USGS Western Region); John Dunleauey (Navigator, USGS Western Region); John Saladin (Electronics Technician, USGS Western Region); Ornulf Johannessen (Chief Mate, USGS Western Region); Paula Quinterno (Dafe Curator, USGS Western Region); Paula Shryrock (Navigator, USGS Western Region); Rich Garlow (Navigator, USGS Western Region); Roland Brady (Mechanical Technician, USGS Western Region); Sue Hunt (Dafe Curator, USGS Western Region); Susan Winkler (Watchstander, USGS Western Region); Warren Coonrad (Watchstander, USGS Western Region)

  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.
    
    01/27/86 KAYE DUA0:[DATA.S277EG.N]S277EG.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/s277eg/bath/s-2-77-eg.335_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/10/86 BECKIE DUA0:[DATA.BECKIE]S277EG.335;
    DRB0:[DRS.BAT]BATRED.EXE;1
    This file was hand-digetized in 2-way traveltime(secs).
    It reduced using no Matthews correction and the velocity
    of sound assumed was 1500m/sec.
    
    03/10/86 BECKIE DUA0:[DATA.BECKIE]S277EG.310;
    DRB0:[DRS.NGDC]UNREFNGDC.EXE;
    
    Input was...
    Converted to time format with year at start.
    
    01/27/86 KAYE DUA0:[DATA.S277EG.N]S277EG.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:
    Plafker, George, and Claypool, George, 1979, Petroleum source rock potential of rocks dredged from the continental slope in the eastern Gulf of Alaska, U.S. Geological Survey Open File Report 79-295, URL: <A HREF = "<http://www.ngdc.noaa.gov/mgg/geology/data/0611/06115003/usgs_ofr79-295_06115003.pdf>" target = "OF"><http://www.ngdc.noaa.gov/mgg/geology/data/0611/06115003/usgs_ofr79-295_06115003.pdf> Plafker, George, Winkler, Gary R., Hunt, Susan J., Bartsch-Winkler, Susan, Coonrad, Warren L., Quinterno, Paula, 1978, Outcrop samples from the continental slope in the eastern Gulf of Alaska: U.S. Geological Survey Circular 0772-B, p. B97-B101.



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-2-77-eg.011 [DRS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197706051523410    197706091623020
    197706091726080    197706101611050
    197706101656060    197706131614060
    197706131629060    197706141217030
    197706141232030    197706141932030
    197706142044500    197706142105050
    197706142118440    197706150559120
    197706150611120    197706151205080
    197706151217030    197706151644060
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (s-2-77-eg.335_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197706060710000    197706062254000
    197706080456000    197706081310000
    197706100346000    197706102114000
    197706102156000    197706102346000
    197706110740000    197706111540000
    197706111636000    197706112026000
    197706112110000    197706112254000
    197706130156000    197706130604000
    197706131238000    197706131944000
    197706140220000    197706141444000
    197706141536000    197706141934000
    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-2-77-EG data set <http://walrus.wr.usgs.gov/infobank/s/s277eg/html/s-2-77-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/s277eg/html/s-2-77-eg.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/s/s277eg/html/s-2-77-eg.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-Oct-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 Tue Oct 29 15:18:58 2013