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What does this data set describe?

Title:
Geophysical data of field activity G-1-78-EG in Eastern Gulf of Alaska, Glacier Bay from 09/12/1978 to 09/23/1978
Abstract:
Chief Scientists: Paul Carlson, Bruce Molnia. Geophysical data (minisparker, bathymetry, gravity, magnetics) of field activity G-1-78-EG in Eastern Gulf of Alaska, Glacier Bay from 09/12/1978 to 09/23/1978, <http://walrus.wr.usgs.gov/infobank/g/g178eg/html/g-1-78-eg.meta.html>.
Supplemental_Information:

Equipment Used -
minisparker
bathymetry
gravity
magnetics magnetometer
Publications -
Carlson, Paul R., Powell, Ross D., and Rearic, Douglas M., 1989, Turbidity-
current channels in Queen Inlet, Glacier Bay, Alaska: Canadian Journal of
Earth Science, v. 26, p. 807-820.


Seramur, Keith C., Powell, Ross D., and Carlson, Paul R., 1997, Evaluation
of conditions along the grounding line of temperate marine glaciers: an
exmaple from Muir Inlet, Glacier Bay, Alaska: Marine Geology, v. 140,
p. 307-327.


Carlson, Paul R., Powell, Ross D., and Phillips, Andrew C., 1992, Submarine
sedimentary features on a fjord delta front, Queen Inlet, Glacier Bay,
Alaska: Canadian Journal of Earth Science, v. 29, p. 565-573.

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, Geophysical data of field activity G-1-78-EG in Eastern Gulf of Alaska, Glacier Bay from 09/12/1978 to 09/23/1978: 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: -136.59869
    East_Bounding_Coordinate: -135.79955
    North_Bounding_Coordinate: 59.05107
    South_Bounding_Coordinate: 58.72551

  3. What does it look like?

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

    Beginning_Date: 12-Sep-1978
    Ending_Date: 23-Sep-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, Glacier Bay
      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?

    Paul Carlson (Chief Scientist, USGS Western Region); Bruce Molnia (Chief Scientist, USGS Western Region); Bob Novak (Electrical Technician, 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.
    
    05/08/86 CAROLYN DRS$DATA:[REARIC]G178EG.051;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    255/1522-256/1200 from Doug Rearic
    259/1539-266/1120 was G178EG.050 on DRS210 reformatted by Kaye
    
    

    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/g/g178eg/bath/g-1-78-eg.310_051
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    05/08/86 CAROLYN DRS$DATA:[REARIC]G178EG.310;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    travel times to SEAFLOOR  (depth = travel_time * 750)
    from Doug Rearic
    
    Input was...
    Converted to time format with year at start.
    
    05/08/86 CAROLYN DRS$DATA:[REARIC]G178EG.051;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    255/1522-256/1200 from Doug Rearic
    259/1539-266/1120 was G178EG.050 on DRS210 reformatted by Kaye
    
    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, Paul R., Powell, Ross D., and Rearic, Douglas M., 1989, Turbidity- current channels in Queen Inlet, Glacier Bay, Alaska: Canadian Journal of Earth Science, v. 26, p. 807-820.
    Seramur, Keith C., Powell, Ross D., and Carlson, Paul R., 1997, Evaluation of conditions along the grounding line of temperate marine glaciers: an exmaple from Muir Inlet, Glacier Bay, Alaska: Marine Geology, v. 140, p. 307-327.
    Carlson, Paul R., Powell, Ross D., and Phillips, Andrew C., 1992, Submarine sedimentary features on a fjord delta front, Queen Inlet, Glacier Bay, Alaska: Canadian Journal of Earth Science, v. 29, p. 565-573.



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 (g-1-78-eg.051 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197809121522000    197809121745000
    197809121800000    197809121800000
    197809131031000    197809131200000
    197809161539002    197809161800002
    197809170835002    197809170852002
    197809171007002    197809171116002
    197809171127002    197809171154002
    197809171205002    197809171215002
    197809181548002    197809181735002
    197809191035002    197809191250002
    197809191423002    197809191634002
    197809211245002    197809211445002
    197809211637002    197809211807002
    197809220920002    197809220929002
    197809220940002    197809221000002
    197809221130002    197809221218002
    197809221555002    197809221647002
    197809221905002    197809222001002
    197809230930002    197809230945002
    197809231050003    197809231120003
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (g-1-78-eg.310_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197809121522000    197809121659160
    197809121706020    197809121706030
    197809121712160    197809121722010
    197809121730050    197809121800000
    197809131031000    197809131200000
    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 G-1-78-EG data set <http://walrus.wr.usgs.gov/infobank/g/g178eg/html/g-1-78-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: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/g/g178eg/html/g-1-78-eg.nav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/g/g178eg/html/g-1-78-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 10:40:47 2013