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What does this data set describe?

Title:
Data of field activity 04020 (K-1-04-NA) in Norwegian Sea, North Atlantic from 08/29/2004 to 09/11/2004
Abstract:
United States Geological Survey, Woods Hole, Massachusetts. Chief Scientists: Bill Winters, Charlie Paull, MBARI. Data (vaneshear, penetrometer, torvane, pistoncore, gravitycore) of field activity 04020 (K-1-04-NA) in Norwegian Sea, North Atlantic from 08/29/2004 to 09/11/2004, <http://walrus.wr.usgs.gov/infobank/k/k104na/html/k-1-04-na.meta.html>.
Supplemental_Information:

Equipment Used -
vaneshear
penetrometer
torvane
pistoncore
gravitycore
Notes -
Geotechnical-related devices and supplies provided by USGS WH
Geotech lab (vane shear machine, pocket penetrometer, Torvane).
Some supplies provided by USGS WH Chem Lab.
Jumbo piston corer, Giant gravity corer, Multi-sensor Track.
Scientists from the U.S. Geological Survey s Coastal and
Marine Geology program participated in a joint cruise with the
Monterey Bay Aquarium Research Institute (MBARI) and the Woods Hole
Oceanographic Institute (WHOI) aboard the RV Knorr. The National
Science Foundation funded the 14-day cruise to investigate the
characteristics of sediment surrounding and within the massive
Storegga submarine slide as a precursor to potential drill sites of
the Integrated Ocean Drilling Program (IODP). The slide, located on
the Mid-Norwegian margin, is one of the largest known mass-wasting
events encompassing a movement of approximately 5,600 km3 of
material, with a headwall scarp 300 km in length with a down slope
movement of over 800 km. It is thought the current extent of the
slide may actually be the result of at least three different events
beginning 50,000 years ago to as recent as 6,000 years ago. Evidence
suggests that one part of the slide caused a tsunami that impacted
parts of Norway and Scotland. Bottom Simulating Reflectors (BSR),
indicative of gas-hydrate containing sediment overlying gas-charged
sediment, have been found in seismic-reflection records from the
slide area. This leads to speculation that hydrate dissociation,
which releases gas molecules from trapped hydrogen-bonded cages and
increases pore pressure, may have contributed to the slide. The
objective of the cruise was to estimate the amount of gas still left
within sediment under the slide and compare it to the amount of gas
in the surrounding regions. This information is to be used in
determining the mechanism that induced the slide as well as proved
insight into the present conditions of surrounding sediment.
Representatives from a number of organizations participated in the
cruise. Charlie Paull, Bill Ussler (co-chief scientists), Joel
Johnson, Patrick Mitts, and Rendy Keaton from the Monterey Bay
Aquarium Research Institute; Steve Holbrook (project PI), Jeff
Nealon, and Hillary Brown from the University of Wyoming; Tom
Lorenson (USGS CMGP, Menlo Park) and Bill Winters (USGS CMGP, Woods
Hole); Tessa Hill from the University of California Santa Barbara;
Julia Frazier from the University of California Santa Cruz; Michelle
Hatton from Florida State University; Ulla Knudsen from the
University of Arhus (Denmark); Ellen Roosen, Mike McCarthy, Peter
Lemmond, Amy Simoneau, and Chrissy van Hilst from WHOI.
Core-related: Coring attempts: 32 Cores recovered: 27 Giant gavity
cores recovered: 12 Jumbo piston cores recovered: 15 Analyses
performed: Geotechnical measurements including shear strength
determination (USGS-WH) Multi Sensor Track measurements of P-wave
velocity, magnetic susceptibility (MBARI) Pore water sulfate
gradients (MBARI) Gas isotopes (USGS-MP)

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 04020 (K-1-04-NA) in Norwegian Sea, North Atlantic from 08/29/2004 to 09/11/2004: 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: -4.34474
    East_Bounding_Coordinate: 5.08687
    North_Bounding_Coordinate: 68.11493
    South_Bounding_Coordinate: 64.26115

  3. What does it look like?

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

    Beginning_Date: 29-Aug-2004
    Ending_Date: 11-Sep-2004
    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: Norwegian Sea, North Atlantic
      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:
    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 Winters (Chief Scientist); Charlie Paull (MBARI, Chief Scientist); P.J. Bernard ((Mobilization/Demobilization/transport)); D.H. Mason ((Demobilization/transport)); W.J. Winters ((Cruise participant)); Bill Ussler (MBARI,); Tom Lorenson (USGS (Menlo Park))

  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: 17-Apr-2008 (process 1 of 1)
    Navigation Data
     Times are bogus
    
    

    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:


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 (k-1-04-na.061 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200401010000001    200401010000164
    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 04020 (K-1-04-NA) data set <http://walrus.wr.usgs.gov/infobank/k/k104na/html/k-1-04-na.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/k/k104na/html/k-1-04-na.nav.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 12:41:29 2013