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What does this data set describe?

Title:
Geological and Geophysical data of field activity J-6-93-SF in San Francisco Bay, California from 11/29/1993 to 12/03/1993
Abstract:
Chief Scientists: Gary Mann, Paul Carlson, Mike Marlow. Geological and Geophysical data (navigation) of field activity J-6-93-SF in San Francisco Bay, California from 11/29/1993 to 12/03/1993, <http://walrus.wr.usgs.gov/infobank/j/j693sf/html/j-6-93-sf.meta.html>.
Supplemental_Information:

Equipment Used -
navigation data directory exists
Publications -
Marlow, M.S., Hart, P.E., Carlson, P.R., Childs, J.R., Mann, D.M., Anima, R.J., and
Kayen, R.E., 1994, High-resolution seismic-reflection profiles and interpretation pitfalls
created by acoustic anomalies from Holocene muds beneath South San Francisco Bay:
U.S. Geological Survey Open-File Report 94-0639, 16 p.<BR>
<HR>
Carlson, Paul R., Anima, Roberto J., Mann, Gary M., Marlow, Michael S., and Ingram, Lynn,
1995, Buried channel system of South San Francisco Bay, clues to late Holocene sedimentary
processes and environmental fluctuations: American Association of Petroleum Geologists
Bulletin, v. 79, no. 4, p. 580-581.<BR>
<HR>
Marlow, Michael S., Anima, Roberto J., Carlson, Paul R., Childs, P.R., Hart, P.E.,
Jachens, P.E., Mann, R.C., and Sliter, R.W., 1995, San Leandro Basin; a filled sedimentary
basin beneath South San Francisco Bay: American Association of Petroleum Geologists
Bulletin, v. 79, no. 4, p. 592.<BR>
<HR>
McGann, Mary, 1995, Oscillating estuarine conditions recorded in Holocene deposits
near present-day San Francisco International Airport: American Association of Petroleum
Geologists Bulletin, v. 79, no. 4, p. 593.<BR>
<HR>
Marlow, M.S., Hart, P.E., Carlson, P.R., Childs, J.R., Mann, D.M., Anima, R.J.,
and Kayen, R.E., 1996, Misinterpretation of lateral acoustic variations on high-resolution
seismic reflection profiles as fault offsets of Holocene bay mud beneath the southern
part of San Francisco Bay, California: Marine and Petroleum Geology, v. 13, no. 3, p. 341-348.<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, Geological and Geophysical data of field activity J-6-93-SF in San Francisco Bay, California from 11/29/1993 to 12/03/1993: 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: -122.51851
    East_Bounding_Coordinate: -122.15811
    North_Bounding_Coordinate: 37.84886
    South_Bounding_Coordinate: 37.50897

  3. What does it look like?

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

    Beginning_Date: 29-Nov-1993
    Ending_Date: 03-Dec-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, 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:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
    Entity_and_Attribute_Overview:
    Samples with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/samp.html>
    Entity_and_Attribute_Detail_Citation:
    "time/lat/long style, multi-record, in caps, without tabs"
    Mnemonic:       "(Year, DayOfYear, UTCHour, Min, Sec, Tenths, Lat, Long, ActivityID, EquipmentType, Depth, DepthUnits, Line, Station, Roll, Comments)  [DAPS]"
    FORTRAN format: "(Year, DayOfYear, UTCHour, Min, Sec, Tenths, Hundredths, Lat, Long, ActivityID, EquipmentType, Depth, DepthUnits, Line, Station, Roll, Comments) [DAPX]"
    C format:       "(i4.4, i3.3, 3i2.2, i1.1, t16, f9.5, t26, f10.5, t37, a, t45, a24, t70, f6.1, t78, a1, t80, a9, t90, a9, t100, a9, t110, a)  [DAPS]"
    Naming:         .onoff.GRAV_EQUIPMENT_TYPE
    


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?

    Gary Mann (Chief Scientist, USGS Western Region); Paul Carlson (Chief Scientist, USGS Western Region); Mike Marlow (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: 06-Dec-1995 (process 1 of 1)
    Navigation Data
    Converted to time format with year at start.
    
    

    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., Carlson, P.R., Childs, J.R., Mann, D.M., Anima, R.J., and Kayen, R.E., 1994, High-resolution seismic-reflection profiles and interpretation pitfalls created by acoustic anomalies from Holocene muds beneath South San Francisco Bay: U.S. Geological Survey Open-File Report 94-0639, 16 p. Carlson, Paul R., Anima, Roberto J., Mann, Gary M., Marlow, Michael S., and Ingram, Lynn, 1995, Buried channel system of South San Francisco Bay, clues to late Holocene sedimentary processes and environmental fluctuations: American Association of Petroleum Geologists Bulletin, v. 79, no. 4, p. 580-581. Marlow, Michael S., Anima, Roberto J., Carlson, Paul R., Childs, P.R., Hart, P.E., Jachens, P.E., Mann, R.C., and Sliter, R.W., 1995, San Leandro Basin; a filled sedimentary basin beneath South San Francisco Bay: American Association of Petroleum Geologists Bulletin, v. 79, no. 4, p. 592. McGann, Mary, 1995, Oscillating estuarine conditions recorded in Holocene deposits near present-day San Francisco International Airport: American Association of Petroleum Geologists Bulletin, v. 79, no. 4, p. 593. Marlow, M.S., Hart, P.E., Carlson, P.R., Childs, J.R., Mann, D.M., Anima, R.J., and Kayen, R.E., 1996, Misinterpretation of lateral acoustic variations on high-resolution seismic reflection profiles as fault offsets of Holocene bay mud beneath the southern part of San Francisco Bay, California: Marine and Petroleum Geology, v. 13, no. 3, p. 341-348.



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-6-93-sf.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199311291446340    199311292220270
    199311301502580    199312010016200
    199312011453390    199312020002430
    199312021508280    199312022328090
    199312031454410    199312032300030
    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-6-93-SF data set <http://walrus.wr.usgs.gov/infobank/j/j693sf/html/j-6-93-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: 1.0
Network links: <http://walrus.wr.usgs.gov/infobank/j/j693sf/html/j-6-93-sf.nav.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 12:25:14 2013