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What does this data set describe?

Title:
Geophysical data of field activity J-8-93-SF in San Francisco Bay, CA from 07/27/1993 to 07/29/1993
Abstract:
Chief Scientists: Jon Childs, Pat Hart. Geophysical data (seismic) of field activity J-8-93-SF in San Francisco Bay, CA from 07/27/1993 to 07/29/1993, <http://walrus.wr.usgs.gov/infobank/j/j893sf/html/j-8-93-sf.meta.html>.
Supplemental_Information:

Equipment Used -
seismic high-resolution multichannel seismic
Publications -
Marlow, M.S., Hart, P.E., Childs, J.R., Mann, D.M., Mann, G.M., Carlson, P.R., and
Anima, R.J., 1994, A major unconformity beneath South San Francisco Bay and the
development of San Leandro Basin: American Geophysical Union Eos, Transactions,
v. 75, no. 44, Supplement, p. 683.<BR>
<HR>
Childs, J.R., Hart, P.E., McCarthy, J., and Marlow, M.S., 1994, High-resolution
seismic-reflection studies of submerged fault zones throughout the San Francisco Bay
area: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement, p. 684.<BR>
<HR>
Childs, Jonathan R., Hart, Patrick, Bruns, Terry R., Marlow, Michael S., and
Sliter, Ray, 2000, High-resolution marine seismic reflection data from the
San Francisco Bay area: U.S. Geological Survey Open File Report 00-494:<A
HREF="<http://geopubs.wr.usgs.gov/open-file/of00-494>">geopubs.wr.usgs.gov/open-file/of00-494</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, Geophysical data of field activity J-8-93-SF in San Francisco Bay, CA from 07/27/1993 to 07/29/1993: 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: -122.35911
    East_Bounding_Coordinate: -122.18271
    North_Bounding_Coordinate: 37.73812
    South_Bounding_Coordinate: 37.50739

  3. What does it look like?

    <http://walrus.wr.usgs.gov/infobank/j/j893sf/html/j-8-93-sf.nav.gif> (GIF)
    Trackline map of J-8-93-SF
    <http://walrus.wr.usgs.gov/infobank/j/j893sf/html/j-8-93-sf.seis.gif> (GIF)
    Seismic shot point data trackline map of J-8-93-SF

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

    Beginning_Date: 27-Jul-1993
    Ending_Date: 29-Jul-1993
    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: San Francisco Bay, CA
      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>
    Entity_and_Attribute_Overview:
    Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.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 (Chief Scientist, USGS Western Region); Pat Hart (Chief Scientist, 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: 11-Jul-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:
    Marlow, M.S., Hart, P.E., Childs, J.R., Mann, D.M., Mann, G.M., Carlson, P.R., and Anima, R.J., 1994, A major unconformity beneath South San Francisco Bay and the development of San Leandro Basin: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement, p. 683. Childs, J.R., Hart, P.E., McCarthy, J., and Marlow, M.S., 1994, High-resolution seismic-reflection studies of submerged fault zones throughout the San Francisco Bay area: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement, p. 684. Childs, Jonathan R., Hart, Patrick, Bruns, Terry R., Marlow, Michael S., and Sliter, Ray, 2000, High-resolution marine seismic reflection data from the San Francisco Bay area: U.S. Geological Survey Open File Report 00-494:<A HREF="<http://geopubs.wr.usgs.gov/open-file/of00-494>">geopubs.wr.usgs.gov/open-file/of00-494</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 (j-8-93-sf.062 [GPS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199307151541410    199307151550000
    199307211923230    199307211959550
    199307271411160    199307272032040
    199307281507410    199307282225290
    199307291413420    199307292029480
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (j-8-93-sf.410_061)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199307271512090    199307271542451
    199307271633090    199307271729450
    199307271738090    199307271847453
    199307271903090    199307272001450
    199307281534090    199307281606451
    199307281652090    199307281824450
    199307281930090    199307282131457
    199307291516090    199307291806452
    199307291832090    199307292012451
    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-8-93-SF data set <http://walrus.wr.usgs.gov/infobank/j/j893sf/html/j-8-93-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: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/j/j893sf/html/j-8-93-sf.nav.html>

Data format: ASCII Size: 2.0
Network links: <http://walrus.wr.usgs.gov/infobank/j/j893sf/html/j-8-93-sf.seis.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 12:25:16 2013