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What does this data set describe?

Title:
Geophysical data of field activity M-1-02-GM in Northeastern Gulf of Mexico, Head of De Soto Canyon from 06/17/2002 to 07/09/2002
Abstract:
United States Geological Survey, Menlo Park, California,University of New Hampshire,University of New Brunswick,C&C Technologies, Inc.. Chief Scientist: Jim Gardner. Geophysical data (multibeam, GPS, CTDmeter, bathymetry, bathymetry, navigation, motionsensor, acousticbackscatter) of field activity M-1-02-GM in Northeastern Gulf of Mexico, Head of De Soto Canyon from 06/17/2002 to 07/09/2002, <http://walrus.wr.usgs.gov/infobank/m/m102gm/html/m-1-02-gm.meta.html>.
Supplemental_Information:

Equipment Used -
multibeam mapping, multibeam, brand: Kongsberg Simrad, model: EM1000
GPS navigation, brand: Trimble, model: 4000 DGPS
CTDmeter brand: Seabird, model: 19-02
bathymetry Kongsberg Simrad EM1000 bathymetry and acoustic backscatter
bathymetry Kongsberg Simrad EM3000D bathymetry and acoustic backscatter
navigation TSS Applanix POS/MV 320 (version 2)
motionsensor inertial motion sensor INS
acousticbackscatter
Notes -
For raw and intermediate data sets, contact
<a href="<http://walrus.wr.usgs.gov/infobank/programs/html/staff2html/staff/Rani_Nandiwada.html>">Rani Nandiwada</a>
Publications -
Gardner, J.V., Hughes Clarke, J.E., and Mayer, L.A., 2002, Cruise Report RV Moana Wave
Cruise M-1-02-GM, Bathymetry and Acoustic Backscatter of the Mid and Outer
Continental Shelf, Head of De Soto Canyon, Northeastern Gulf of Mexico,
available on-line at:
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of02-396/"target="of>">
<http://geopubs.wr.usgs.gov/open-file/of02-396>
<BR>
<HR>
<i>National Seafloor Mapping and Benthic Habitat Studies, De Soto Canyon</i>, 2006,
U.S. Geological Survey, Western Coastal and Marine Geology&nbsp;&nbsp;
<a class="locationLink" href="
<http://walrus.wr.usgs.gov/pacmaps/ds-index.html>" target="ds">
&lt;<http://walrus.wr.usgs.gov/pacmaps/ds-index.html>>

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 M-1-02-GM in Northeastern Gulf of Mexico, Head of De Soto Canyon from 06/17/2002 to 07/09/2002: 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: -87.56667
    East_Bounding_Coordinate: -86.60000
    North_Bounding_Coordinate: 30.13334
    South_Bounding_Coordinate: 29.51666

  3. What does it look like?

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

    Beginning_Date: 17-Jun-2002
    Ending_Date: 09-Jul-2002
    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: Northeastern Gulf of Mexico, Head of De Soto Canyon
      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?

    Jim Gardner (Chief Scientist, USGS Western Region); John Clarke (Watch Stander, Univ. of New Brunswick); Larry Mayer (Watch Stander, Univ. of New Hampshire); Brian Calder (Watch Stander, Univ. of New Hampshire); Semme Dijkstra (Watch Stander, Univ. of New Hampshire); Garreth Elston (Watch Stander, Univ. of New Hampshire); Yuri Rzhanov (Watch Stander, Univ. of New Hampshire); James Glynn (Watch Stander, Univ. of New Hampshire); Chris Glynn (Watch Stander, Univ. of New Hampshire); Art Kleiner (Project Manager, C&C Technologies, Inc.); Tim Shannon (Field Project Manager, C&C Technologies, Inc.); Craig Smith (Surveyor, C&C Technologies, Inc.); Eric Ortego (Surveyor, C&C Technologies, Inc.); Brad Daigles (Surveyor, C&C Technologies, Inc.); Liz Kamp (Surveyor, C&C Technologies, Inc.); Wes Kitt (Surveyor, C&C Technologies, Inc.); Al Cousson (Surveyor, C&C Technologies, Inc.); Sam Alleman (Surveyor, C&C Technologies, Inc.)

  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: 13-Dec-2006 (process 1 of 1)
    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>

  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:
    Gardner, J.V., Hughes Clarke, J.E., and Mayer, L.A., 2002, Cruise Report RV Moana Wave Cruise M-1-02-GM, Bathymetry and Acoustic Backscatter of the Mid and Outer Continental Shelf, Head of De Soto Canyon, Northeastern Gulf of Mexico, available on-line at: <A HREF="<http://geopubs.wr.usgs.gov/open-file/of02-396/"target="of>"> <http://geopubs.wr.usgs.gov/open-file/of02-396>
    <i>National Seafloor Mapping and Benthic Habitat Studies, De Soto Canyon</i>, 2006, U.S. Geological Survey, Western Coastal and Marine Geology&nbsp;&nbsp; <a class="locationLink" href="
    <http://walrus.wr.usgs.gov/pacmaps/ds-index.html>" target="ds"> &lt;<http://walrus.wr.usgs.gov/pacmaps/ds-index.html>>



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 (m-1-02-gm.060 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200201010100000    200201010100004
    200201020100000    200201020100004
    200201030100000    200201030100004
    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 M-1-02-GM data set <http://walrus.wr.usgs.gov/infobank/m/m102gm/html/m-1-02-gm.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/m/m102gm/html/m-1-02-gm.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 13:00:04 2013