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What does this data set describe?

Title:
Geological and Geophysical data of field activity A-1-93-YB in Yukukat Bay, Alaska from 08/21/1993 to 08/27/1993
Abstract:
United States Geological Survey, Menlo Park, California. Chief Scientist: Paul Carlson. Geological and Geophysical data (12khz, Huntec, gravitycore, pistoncore, GPS) of field activity A-1-93-YB in Yukukat Bay, Alaska from 08/21/1993 to 08/27/1993, <http://walrus.wr.usgs.gov/infobank/a/a193yb/html/a-1-93-yb.meta.html>.
Supplemental_Information:

Equipment Used -
12khz bathymetry
Huntec deep tow
gravitycore
pistoncore
GPS
Publications -
Cowan, Ellen A., Powell, Ross D., Carlson, Paul R., Kayen, Robert E., Cai,
Jinkui, Seramur, Keith C., and Zellers, Sarah D., 1994, Cruise report; R/V
Alpha Helix Cruise-173 to western Prince William Sound, Yakutat Bay, and
Glacier Bay National Park, northeastern Gulf of Alaska, August 17-September
3, 1993: U.S. Geological Survey Open-File Report 94-0258, 176 p. URL:
<A HREF ="<http://pubs.usgs.gov/of/1994/0258/report.pdf>" target =OF"><http://pubs.usgs.gov/of/1994/0258/report.pdf>


Cowan, Ellen A., Carlson, Paul R., and Powell, Ross D., 1996, The marine
record of the Russell Fiord outburst flood, Alaska, U.S.A.: Cambridge,
International Glaciological Society, Annals of Glaciology, v. 22, p. 194-199.

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, Geological and Geophysical data of field activity A-1-93-YB in Yukukat Bay, Alaska from 08/21/1993 to 08/27/1993: 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: -144.64883
    East_Bounding_Coordinate: -137.60050
    North_Bounding_Coordinate: 60.03533
    South_Bounding_Coordinate: 58.52183

  3. What does it look like?

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

    Beginning_Date: 21-Aug-1993
    Ending_Date: 27-Aug-1993
    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: Yukukat Bay, 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 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.

      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)

  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: 04-Oct-2006 (process 1 of 2)
    Navigation Data Unknown

    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: 02-Nov-2000 (process 2 of 2)
    Bathymetry Data
    10/31/1998  /lion/a/a193yb/bath/a-1-93-yb.302_051
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    08/19/94 CAROLYN DUA12:[PROCESSING.A193YB]A193YB.302;1
    DUA12:[PROCESSING.A193YB]FIX.EXE;
    Raw depth (bathymetry) data
    was BATHY WKST on Yakutat floppy from Paul Carlson
    
    Input was...
    Converted to time format with year at start.
    
    07/01/94 CAROLYN ISDMNL$DUA12:[PROCESSING.A193YB]A193YB.051;1
    ISDMNL$DUA12:[PROGRAMS.PLOT.NAVED]JRNAVED.EXE;
    navigation data
    Integrated navigation (SINS) data
    cut away non Yakutat Bay data
    added 234/0755000-234/1057300 data from Dave Nebert's A193YB.050
    
    11/18/93 CLINT ISDMNL$DUA12:[PROCESSING.A193RB]HX173SWG.050;1
    ISDMNL$DUA12:[PROGRAMS.REFMT]REFORMAT.EXE;
    navigation data
    Integrated navigation (SINS) data
    A193 PW YB GB cruises
    from Jinkui Cai
    
    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:
    Cowan, Ellen A., Powell, Ross D., Carlson, Paul R., Kayen, Robert E., Cai, Jinkui, Seramur, Keith C., and Zellers, Sarah D., 1994, Cruise report; R/V Alpha Helix Cruise-173 to western Prince William Sound, Yakutat Bay, and Glacier Bay National Park, northeastern Gulf of Alaska, August 17-September 3, 1993: U.S. Geological Survey Open-File Report 94-0258, 176 p. URL: <A HREF ="<http://pubs.usgs.gov/of/1994/0258/report.pdf>" target =OF"><http://pubs.usgs.gov/of/1994/0258/report.pdf>
    Cowan, Ellen A., Carlson, Paul R., and Powell, Ross D., 1996, The marine record of the Russell Fiord outburst flood, Alaska, U.S.A.: Cambridge, International Glaciological Society, Annals of Glaciology, v. 22, p. 194-199.



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 (a-1-93-yb.053 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199308211129340    199308220204000
    199308220322000    199308220709010
    199308221057300    199308241320010
    199308241325020    199308270733000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (a-1-93-yb.302_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199308220757000    199308220757000
    199308220805000    199308220845000
    199308220900000    199308220900000
    199308220920000    199308220940000
    199308220949000    199308220949000
    199308221036000    199308221110000
    199308221130000    199308221149000
    199308221544000    199308221544000
    199308221550000    199308221640000
    199308221650000    199308221650000
    199308221738000    199308230049000
    199308231555000    199308231858000
    199308232051000    199308232330000
    199308232340000    199308240129000
    199308240136000    199308240136000
    199308241621000    199308242030000
    199308242040000    199308242212000
    199308261633000    199308261741000
    199308261747000    199308262032000
    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 A-1-93-YB data set <http://walrus.wr.usgs.gov/infobank/a/a193yb/html/a-1-93-yb.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: 0.6
Network links: <http://walrus.wr.usgs.gov/infobank/a/a193yb/html/a-1-93-yb.nav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/a/a193yb/html/a-1-93-yb.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>)


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