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What does this data set describe?

Title:
Geophysical data of field activity F-1-01-NC in Yuba/Nevada Counties, California from 05/06/2001 to 05/11/2001
Abstract:
United States Geological Survey, Menlo Park, California. Chief Scientist: Jon Childs. Geophysical data (YoNav, GPS, bathymetry, Geopulse, bubblepulser) of field activity F-1-01-NC in Yuba/Nevada Counties, California from 05/06/2001 to 05/11/2001, <http://walrus.wr.usgs.gov/infobank/f/f101nc/html/f-1-01-nc.meta.html>.
Supplemental_Information:

Equipment Used -
YoNav YoNav with CSI DGPS
GPS CSI Differential
bathymetry fathometer
Geopulse geopulse source with Seistec receiver and hydrophone streamer
bubblepulser
Notes -
Metadata derived from cruise log submitted by Jon Childs
Publications -
Childs, J.R., Snyder, N.P., and Hampton, M.A.,
2003,
Bathymetric and geophysical surveys of Englebright Lake,
Yuba-Nevada counties, California:
U.S. Geological Survey Open-File Report 2003-383, 20 p. URL:
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of03-383/>">
<http://geopubs.wr.usgs.gov/open-file/of03-383/>
</A>

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-1-01-NC in Yuba/Nevada Counties, California from 05/06/2001 to 05/11/2001: 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: -121.27629
    East_Bounding_Coordinate: -121.19927
    North_Bounding_Coordinate: 39.30612
    South_Bounding_Coordinate: 39.23921

  3. What does it look like?

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

    Beginning_Date: 06-May-2001
    Ending_Date: 11-May-2001
    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: 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 (Geophysicist, USGS Western Region); Pat Hart (Geophysicist, USGS Western Region); Larry Kooker (Electronic Technician, USGS Western Region); Gerry O'Brien (Boat Driver, USGS Western Region); Tom Reiss (Surveyor, 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: 26-Sep-2002 (process 1 of 2)
    Navigation Data
    11/06/2001 clint f-1-01-nc.060
    clint
    Integrated navigation (SINS) data
    
    Input was...
    10/03/2001 clint f-1-01-nc.060
    /infobank/programs/time/fixrollovers/fixrollovers
    Integrated navigation (SINS) data
    
    f-1-01-nc.060
    raw GPS fixes (YoNav *.R04)
    time, latitude, longitude
    
    NOTE: lat/longs to 6 decimal places
    
    

    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: 26-Sep-2002 (process 2 of 2)
    Bathymetry Data
    09/26/2002 clint f-1-01-nc.305_060
    Removed all records that automerge interpolated nav
    beyond a span of 0.5 second.
    0.5 second limit determined by sorting based on time
    span, then examining results for "break" in data values.
    Used NAVED to compare "retained" vs "removed" records
    and determined division was appropriate. -- Clint
    Input was...
    09/26/2002 clint f-1-01-nc.302_060
    /infobank/programs/edit/automerge/automerge
    
    10/03/2001 clint f-1-01-nc.302
    /infobank/programs/time/fixrollovers/fixrollovers
    Raw depth (bathymetry) data
    
    time, depth in meters
    i4,i3,2i2,f3.1,t16,f7.1)
    
    11/06/2001 clint f-1-01-nc.060
    clint
    Integrated navigation (SINS) data
    
    10/03/2001 clint f-1-01-nc.060
    /infobank/programs/time/fixrollovers/fixrollovers
    Integrated navigation (SINS) data
    
    f-1-01-nc.060
    raw GPS fixes (YoNav *.R04)
    time, latitude, longitude
    
    NOTE: lat/longs to 6 decimal places
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    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., Snyder, N.P., and Hampton, M.A., 2003, Bathymetric and geophysical surveys of Englebright Lake, Yuba-Nevada counties, California: U.S. Geological Survey Open-File Report 2003-383, 20 p. URL: <A HREF="<http://geopubs.wr.usgs.gov/open-file/of03-383/>"> <http://geopubs.wr.usgs.gov/open-file/of03-383/> </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 (f-1-01-nc.060 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200105072134030    200105072140580
    200105072149220    200105080039220
    200105081631150    200105081653480
    200105081732320    200105081939140
    200105081953020    200105082313490
    200105091619020    200105091812270
    200105091818320    200105092037040
    200105092146320    200105100204210
    200105101618300    200105101651150
    200105101729560    200105102021530
    200105102134020    200105110153120
    200105111737570    200105111921310
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (f-1-01-nc.305_060)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    200105072134132    200105072140574
    200105072149220    200105080039211
    200105081732336    200105081939138
    200105081953034    200105082313475
    200105091622122    200105091628009
    200105091638351    200105091812262
    200105091818318    200105092037025
    200105092146330    200105100204196
    200105101618384    200105101651152
    200105101740554    200105102021534
    200105102134030    200105102315270
    200105102347393    200105110151250
    200105111850154    200105111921308
    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-1-01-NC data set <http://walrus.wr.usgs.gov/infobank/f/f101nc/html/f-1-01-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: 5.6
Network links: <http://walrus.wr.usgs.gov/infobank/f/f101nc/html/f-1-01-nc.nav.html>

Data format: ASCII Size: 2.3
Network links: <http://walrus.wr.usgs.gov/infobank/f/f101nc/html/f-1-01-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 09:55:23 2013