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What does this data set describe?

Title:
Geophysical data of field activity F-1-04-NC in Englebright Lake, Yuba River, Yuba-Nevada Counties, California from 03/22/2004 to 03/25/2004
Abstract:
United States Geological Survey, Menlo Park, California. Chief Scientists: Jon Childs, Noah Snyder. Geophysical data (234khz, YoNav, 50mhzgpr) of field activity F-1-04-NC in Englebright Lake, Yuba River, Yuba-Nevada Counties, California from 03/22/2004 to 03/25/2004, <http://walrus.wr.usgs.gov/infobank/f/f104nc/html/f-1-04-nc.meta.html>.
Supplemental_Information:

Equipment Used -
234khz SWATHplus, Interferometric swath bathymetry, Brand: SEA Group, Model: SWATHplus-M , Media: digital, Code: SUBX, Comment: 234 kHz
YoNav GPS navigation, Brand: , Model: , Media: Digital, Code: Yonav, Comment: WAAS DGPS correction
50mhzgpr Ground Penetrating Radar, Subsurface profiling, Brand: Sensors and Software, Model: PulseEKKO 100, Media: Digital, Code: GPR, Comment: 50 mHz antennas
Notes -
files exist on imgarc2/F-1-04-NC
Publications -
Childs, J.R., and Stevenson, A.J., 2006, Swath Bathymetric Survey of Englebright Lake, Yuba-Nevada Counties, California, U.S. Geolgocial Survey Open-File Report 2006-1346, URL:
<A HREF ="<http://pubs.usgs.gov/of/2006/1346/>" target ="OF"><http://pubs.usgs.gov/of/2006/1346/>

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 F-1-04-NC in Englebright Lake, Yuba River, Yuba-Nevada Counties, California from 03/22/2004 to 03/25/2004: 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: -121.27489
    East_Bounding_Coordinate: -121.20858
    North_Bounding_Coordinate: 39.29799
    South_Bounding_Coordinate: 39.24013

  3. What does it look like?

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

    Beginning_Date: 22-Mar-2004
    Ending_Date: 25-Mar-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: Englebright Lake, Yuba River, Yuba-Nevada Counties, California
      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?

    Jon Childs (Co chief scientist, USGS/CMG); Noah Snyder (Co chief scientist, USGS/CMG); Andy Stevenson (Image data specialist, USGS/CMG); Larry Kooker (Electronic technician, USGS/CMG); Mike Boyle (Electronic technician, USGS/CMG); Gerry O'Brien (Small boat handler, USGS/CMG); Greg Gable (Small boat handler, USGS/CMG); Charlie Alpers (Project manager, USGS/WRD)

  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: 16-Apr-2004 (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: 19-Dec-2011 (process 2 of 2)
    Bathymetry Data
    /infobank/f/f104nc/imag/f-1-04-nc.500
    long/lat/value style, multi-record, in caps, without tabs
    System:  geodetic latitude/longitude
    Datum:  NAD83
    Units:  decimal degrees, meters
    
    

    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:
    Childs, J.R., and Stevenson, A.J., 2006, Swath Bathymetric Survey of Englebright Lake, Yuba-Nevada Counties, California, U.S. Geolgocial Survey Open-File Report 2006-1346, URL: <A HREF ="<http://pubs.usgs.gov/of/2006/1346/>" target ="OF"><http://pubs.usgs.gov/of/2006/1346/>



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 (f-1-04-nc.060 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200403231633203    200403232000504
    200403232126501    200403240053500
    200403241651503    200403241940203
    200403242109502    200403250041500
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (f-1-04-nc.500)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200403231633203    200403232000504
    200403232126501    200403240053500
    200403241651503    200403241940203
    200403242109502    200403250041500
    Bathymetry Data (f-1-04-nc.500_utm.csv)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200403231633203    200403232000504
    200403232126501    200403240053500
    200403241651503    200403241940203
    200403242109502    200403250041500
    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 F-1-04-NC data set <http://walrus.wr.usgs.gov/infobank/f/f104nc/html/f-1-04-nc.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: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/f/f104nc/html/f-1-04-nc.nav.html>

Data format: ASCII Size: 3.6
Network links: <http://walrus.wr.usgs.gov/infobank/f/f104nc/html/f-1-04-nc.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 09:55:24 2013