Coastal and Marine Geology

U.S. Geological Survey
Open-File Report 2006-1346

Swath bathymetric survey of Englebright Lake, Yuba-Nevada Counties, California

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Swath bathymetric survey of Englebright Lake, Yuba-Nevada Counties, California

Frequently-anticipated questions:

What does this data set describe?

Title:
Swath bathymetric survey of Englebright Lake, Yuba-Nevada Counties, California
Abstract:
Swath bathymetric data of upper Englebright Lake, Yuba-Nevada Counties, California are presented. These data consist of registered 1-meter cells and a water depth for the cell. Precision and accuracy of the depth values is 0.1 m (4 in). Water depth is referenced to an elevation of 160.6 m (527.0 ft) foot, the spillway elevation of the dam. Data coverage is of the upper reach of the reservoir, over the prograding sediment delta. Coverage does not extend to the deeper downstream reach of the reservoir approaching the dam.
Supplemental_Information:
<http://walrus.wr.usgs.gov/infobank/f/f104nc/html/f-1-04-nc-meta.html> <http://walrus.wr.usgs.gov/infobank/f/f102nc/html/f-1-02-nc-meta.html> <http://walrus.wr.usgs.gov/infobank/f/f101nc/html/f-1-01-nc-meta.html> Information for other USGS Coastal and Marine Geology related activities are online at: <http://walrus.wr.usgs.gov/>
  1. How should this data set be cited?

    Jonathan R. Childs and Andrew J. Stevenson, 2006, Swath bathymetric survey of Englebright Lake, Yuba-Nevada Counties, California: U.S. Geological Survey Open-File Report OFR-2006-1346, U.S. Geological Survey, Coastal and Marine Geology Program, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -121.27121
    East_Bounding_Coordinate: -121.21188
    North_Bounding_Coordinate: +39.29387
    South_Bounding_Coordinate: +39.24487

  3. What does it look like?

    <http://pubs/usgs.gov/of/2006/1346/images/figure2.jpg> (JPEG)
    Map showing coverage of swath bathymetry data.

  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?

    Geospatial_Data_Presentation_Form:
    text report containing graphical map images (no spatial referencing)

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

    2. What coordinate system is used to represent geographic features?

  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Bathymetric features (lake depth) are shown as color-contour map images at an unspecified projection and scale. These map images are rendered in JPEG format.
    Entity_and_Attribute_Detail_Citation: none

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

    • Jonathan R. Childs and Andrew J. Stevenson

  2. Who also contributed to the data set?

  3. To whom should users address questions about the data?

    Jonathan R. Childs
    U.S. Geological Survey
    Geophysicist
    UGS, Mail Stop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5195 (voice)
    jchilds@usgs.gov

Why was the data set created?

These data are intended for science researchers, policy makers, and the 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-Oct-2005 (process 1 of 1)
    Swath water depth (bathymetry) data at a 1-meter (UTM Zone 10; WGS84) cell interval.

    Person who carried out this activity:

    Jonathan R. Childs
    U.S. Geological Survey
    Geophysicist
    USGS, Mail Stop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5195 (voice)
    jchilds@usgs.gov

  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    Data have not been independently verified.

  2. How accurate are the geographic locations?

    1.0 meters

  3. How accurate are the heights or depths?

    One percent (1%) of the water depth for bathymetry.

  4. Where are the gaps in the data? What is missing?

    Reference the report for a description of the bathymetric survey and pre-dam topography model.

  5. How consistent are the relationships among the observations, including topology?

    Undetermined

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None
Use_Constraints:
These data are not intended for navigational purposes. Please recognize the U.S. Geological Survey (USGS) as the source of this information.

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey
    Box 25286
    Denver, CO 80225
    USA

    (888)ASK-USGS (voice)

  2. What's the catalog number I need to order this data set?

  3. What legal disclaimers am I supposed to read?

    Please recognize the U.S. Geological Survey (USGS) as the source of this information.

    USGS-authored or produced data and information are in the public domain.

    Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, these data and information are provided with the understanding that they are not guaranteed to be usable, timely, accurate, or complete. Users are cautioned to consider carefully the provisional nature of these data and information before using them for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Conclusions drawn from, or actions undertaken on the basis of, such data and information are the sole responsibility of the user.

    Neither the U.S. Government nor any agency thereof, nor any of their employees, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any data, software, information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights.

    Trade, firm, or product names and other references to commercial products and services are provided for information only and do not constitute endorsement or warranty, express or implied, by the USGS, USDOI, or U.S. Government, as to their suitability, content, usefulness, functioning, completeness, or accuracy.

  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 10-Aug-2003
Metadata author:
Jonathan R. Childs
U.S. Geological Survey
Geophysicist
USGS, Mail Stop 999, 345 Middlefield Road
Menlo Park, CA 94025-3561
USA

(650) 329-5195 (voice)
jchilds@usgs.gov

Metadata standard:
Content Standard for Digital Geospatial Metadata ("CSDGM version 2") (FGDC-STD-001-1998)

Generated by mp version 2.8.11 on Thu Nov 2 15:11:30 2006

 


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