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What does this data set describe?

Title:
Geological and Geophysical data of field activity R-2-99-GC in Grand Canyon from 09/14/1999 to 09/21/1999
Abstract:
Chief Scientists: Dave Rubin, David Topping. Geological and Geophysical data (100mhzgpr, 200mhzgpr, 450mhzgpr, 50mhzgpr, 50mhzgprwater) of field activity R-2-99-GC in Grand Canyon from 09/14/1999 to 09/21/1999, <http://walrus.wr.usgs.gov/infobank/r/r299gc/html/r-2-99-gc.meta.html>.
Supplemental_Information:

Equipment Used -
100mhzgpr
200mhzgpr
450mhzgpr
50mhzgpr
50mhzgprwater
Publications -
Barnhardt, Walter, Kayen Robert, Rubin, David, and Minasian, Diane, 2001,
The internal structure of sand bars on the Colorado River, Grand Canyon,
as determined by ground-penetrating radar: U.S. Geological Survey Open-File
Report 01-425:
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of01-425/>"><BR>
geopubs.wr.usgs.gov/open-file/of01-425</A><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, Geological and Geophysical data of field activity R-2-99-GC in Grand Canyon from 09/14/1999 to 09/21/1999: 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: -112.51340
    East_Bounding_Coordinate: -111.65590
    North_Bounding_Coordinate: 36.77160
    South_Bounding_Coordinate: 36.05460

  3. What does it look like?

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

    Beginning_Date: 14-Sep-1999
    Ending_Date: 21-Sep-1999
    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: Grand 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?

    Dave Rubin (Chief Scientist, USGS Western Region); David Topping (Chief Scientist, USGS Western Region); Rob Kayen (Geologist And Civil Engineer, USGS Western Region); Walter Barnhardt (Geologist, USGS Western Region); Diane Minasian (Geologist, USGS Western Region); Robin Dornfest (Geologist, USGS Western Region); Ted Mellis (Geologist, GCMRC); Keith Kohl (Civil Engineer, GCMRC); Jim Bennett (Hydrologist, USGS Western Region Denver); Ingrid Corson (Hydrologist, USGS Western Region Denver); Margie Franseen (Hydrologist, USGS Western Region Denver); Hank Chezar (Photographer, 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: 01-Nov-2000 (process 1 of 1)
    Navigation Data
    time/lat/long style, multi-record, in caps
    temporal-spatial data
    data acquisition systems
    
           1         2         3
    3456789012345678901234567890123456
    

    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:
    Barnhardt, Walter, Kayen Robert, Rubin, David, and Minasian, Diane, 2001, The internal structure of sand bars on the Colorado River, Grand Canyon, as determined by ground-penetrating radar: U.S. Geological Survey Open-File Report 01-425: <A HREF="<http://geopubs.wr.usgs.gov/open-file/of01-425/>"> geopubs.wr.usgs.gov/open-file/of01-425</A>



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 (r-2-99-gc.060 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199909142208000    199909142225000
    199909142240000    199909142240000
    199909142255000    199909142255000
    199909151950000    199909151950000
    199909152001000    199909152030000
    199909152045000    199909152055000
    199909152110000    199909152124000
    199909161800000    199909161840000
    199909161855000    199909161855000
    199909161910000    199909161910000
    199909161930000    199909161940000
    199909162000000    199909162010000
    199909162030000    199909162030000
    199909172100000    199909172100000
    199909172117000    199909172150000
    199909172210000    199909172215000
    199909172230000    199909172250000
    199909172310000    199909172310000
    199909181900000    199909181950000
    199909182010000    199909182030000
    199909182100000    199909182100000
    199909182120000    199909182120000
    199909201900000    199909201900000
    199909201920000    199909201920000
    199909201940000    199909201940000
    199909202000000    199909202000000
    199909211800000    199909211800000
    199909211820000    199909211900000
    199909211920000    199909211955000
    199909212010000    199909212040000
    199909212120000    199909212120000
    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 R-2-99-GC data set <http://walrus.wr.usgs.gov/infobank/r/r299gc/html/r-2-99-gc.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/r/r299gc/html/r-2-99-gc.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 15:07:12 2013