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What does this data set describe?

Title:
Geophysical data of field activity J-3-99-SF in Grizzly Bay, San Francisco Bay from 11/08/1999 to 11/18/1999
Abstract:
Chief Scientist: John Chin. Geophysical data (Kleinsidescan, VanVeengrab, boxcore, 3dot5khz) of field activity J-3-99-SF in Grizzly Bay, San Francisco Bay from 11/08/1999 to 11/18/1999, <http://walrus.wr.usgs.gov/infobank/j/j399sf/html/j-3-99-sf.meta.html>.
Supplemental_Information:

Equipment Used -
Kleinsidescan Klein 2000 side scan sonar
VanVeengrab small
boxcore 3/4 box corer
3dot5khz bathymetry
Notes -
San Francisco Bay Seafloor and Sediment.
Associated activities:
<br>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/j/j299sf/html/j-2-99-sf.meta.html>">J-2-99-SF</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/j/j399sf/html/j-3-99-sf.meta.html>">J-3-99-SF</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/j/j598sf/html/j-5-98-sf.meta.html>">J-5-98-SF</A>
Publications -
Reid, J.A., Reid, J.M., Jenkins, C.J., Zimmermann, M., Williams, S.J., and
Field, M.E., 2006, usSEABED: Pacific Coast (California, Oregon, Washington)
offshore surficial-sediment data release, U.S. Geological Survey Data Series
182, version 1.0. URL: <A HREF="<http://pubs.usgs.gov/ds/2006/182/>"><http://pubs.usgs.gov/ds/2006/182/><BR>
Hampton, M.A., Snyder, N.P., Chin, J.L., Allison, D.W., Rubin, D.M.,
2003, Bed-sediment grain-size and morphologic data from Suisun, Grizzly,
and Honker Bays, CA, 1998-2002: U.S. Geological Survey Open-File Report
2003-250. URL: <A HREF = "
<http://geopubs.wr.usgs.gov/open-file/of03-250/>" target="OF"><http://geopubs.wr.usgs.gov/open-file/of03-250/>

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 J-3-99-SF in Grizzly Bay, San Francisco Bay from 11/08/1999 to 11/18/1999: 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: -122.15793
    East_Bounding_Coordinate: -121.91688
    North_Bounding_Coordinate: 38.15802
    South_Bounding_Coordinate: 38.03305

  3. What does it look like?

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

    Beginning_Date: 08-Nov-1999
    Ending_Date: 18-Nov-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: Grizzly Bay, San Francisco Bay
      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?

    John Chin (Chief Scientist, USGS Western Region); Andy Stevenson (Geologist, USGS Western Region); Mike Boyle (Electronic Technician , USGS Western Region); Robin Dornfest (Watchstander, USGS Western Region); Page Stites (Watchstander, USGS Western Region); Eilleen Brennan (Watchstander, San Jose State Univ. ); Wilson Lee (Watchstander, USGS Western Region); Tom Lorenson (Geochemist, USGS Western Region); Gordon Smith (Captain, UC Santa Cruz )

  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 2)
    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>

    Date: 20-May-2002 (process 2 of 2)
    Bathymetry Data
    05/20/2002 carolyn j-3-99-sf.302_060
    /infobank/programs/edit/automerge/automerge
    
    Input was...
    05/04/2000 clint j-3-99-sf.302
    /infobank/bear/programs/bat/nosamebathy/nosamebathy
    Raw depth (bathymetry) data
    removed non-changing adjacent values
    
    05/04/2000 clint j-3-99-sf.301
    /infobank/bear/programs/bat/nozerobathy/nozerobathy
    Raw depth (bathymetry) data
    removed 0.0 bathy values
    
    Input was...
    time/lat/long style, multi-record, in caps
    temporal-spatial data
    data acquisition systems
    
           1         2         3
    3456789012345678901234567890123456
    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:
    Reid, J.A., Reid, J.M., Jenkins, C.J., Zimmermann, M., Williams, S.J., and Field, M.E., 2006, usSEABED: Pacific Coast (California, Oregon, Washington) offshore surficial-sediment data release, U.S. Geological Survey Data Series 182, version 1.0. URL: <A HREF="<http://pubs.usgs.gov/ds/2006/182/>"><http://pubs.usgs.gov/ds/2006/182/> Hampton, M.A., Snyder, N.P., Chin, J.L., Allison, D.W., Rubin, D.M., 2003, Bed-sediment grain-size and morphologic data from Suisun, Grizzly, and Honker Bays, CA, 1998-2002: U.S. Geological Survey Open-File Report 2003-250. URL: <A HREF = "<http://geopubs.wr.usgs.gov/open-file/of03-250/>" target="OF"><http://geopubs.wr.usgs.gov/open-file/of03-250/>



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 (j-3-99-sf.060 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199911081558104    199911090007500
    199911090013200    199911090037102
    199911091538500    199911100105402
    199911101527204    199911102238104
    199911102255302    199911102344003
    199911121519001    199911122212300
    199911151537502    199911152351002
    199911161531103    199911161724104
    199911161858503    199911162051103
    199911162218407    199911170008401
    199911171532501    199911172144203
    199911181541203    199911181936304
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (j-3-99-sf.302_060)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199911081559502    199911081618102
    199911081625402    199911090007500
    199911090013200    199911090037102
    199911091541200    199911100105402
    199911101527204    199911102238104
    199911102255302    199911102344003
    199911121519100    199911122212300
    199911151540503    199911152206400
    199911152214100    199911152351002
    199911161532203    199911161724104
    199911161858503    199911162051103
    199911162218407    199911170008401
    199911171533002    199911172144203
    199911181541503    199911181541503
    199911181548003    199911181549003
    199911181554403    199911181554503
    199911181600103    199911181846404
    199911181852304    199911181936304
    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 J-3-99-SF data set <http://walrus.wr.usgs.gov/infobank/j/j399sf/html/j-3-99-sf.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: 1.2
Network links: <http://walrus.wr.usgs.gov/infobank/j/j399sf/html/j-3-99-sf.nav.html>

Data format: ASCII Size: 1.0
Network links: <http://walrus.wr.usgs.gov/infobank/j/j399sf/html/j-3-99-sf.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 12:25:09 2013