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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-2-79-NC in Northern California from 10/30/1979 to 11/05/1979
Abstract:
Chief Scientist: Gary Greene. Geological and Geophysical data (3dot5khz, 12khz, uniboom, airgun, chaindredge, gravity, magnetics, integratednavigation, RhoRho, miniranger) of field activity L-2-79-NC in Northern California from 10/30/1979 to 11/05/1979, <http://walrus.wr.usgs.gov/infobank/l/l279nc/html/l-2-79-nc.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
uniboom
airgun single-channel airgun
chaindredge
gravity
magnetics magnetometer
integratednavigation
RhoRho Loran C Rho-Rho
miniranger

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 L-2-79-NC in Northern California from 10/30/1979 to 11/05/1979: 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: -123.12368
    East_Bounding_Coordinate: -117.17273
    North_Bounding_Coordinate: 37.81447
    South_Bounding_Coordinate: 32.61968

  3. What does it look like?

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

    Beginning_Date: 30-Oct-1979
    Ending_Date: 05-Nov-1979
    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: Northern 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 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.

      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:
    Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
    Entity_and_Attribute_Overview:
    Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.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?

    Brent Dalrymple (Geologist); Carrie Carpenter (Dafe Curator); Dave Clague (Geologist); Dave Hogg (Electronics Technician); Dave Nagle (Watchstander); Frank Johnson (Chief Mate); Gary Greene (Chief Scientist); Glen Barker (Mechanical Technician); Gordon Tanner (Electronics Technician); Jed Tooke (Navigator); Jeep Johnson (Unsp Investigatr); Jim Saltzgaber (Chief Engineer); Joe Edwards (Mechanical Technician); Kaye Kinoshita (Navigator); Kevin Heston (Watchstander); Pat McCrory (Navigator); Rich Rauch (Watchstander); Richard Heagney (Ship Captain); Sara Grisom (Watchstander)

  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: 16-Sep-2008 (process 1 of 3)
    Navigation Data
    Converted to time format with year at start.
    
    05/10/85 KAYE USR$DISK:[KAYE.COASTAL]L279NC.010;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;4
    Original filename is l279nc.sdrcc1._ from VAM076
    
    

    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: 03-Oct-2008 (process 2 of 3)
    Gravity Data
    10/31/1998  /tiger/l/l279nc/grav/l-2-79-nc.111_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    2/10/86 DUA0:[DATA.L279NC.G]L279NC.111:
    DRB0:[DRS.REFMT]REFORMAT;
    
    Input was...
    Converted to time format with year at start.
    
    05/10/85 KAYE USR$DISK:[KAYE.COASTAL]L279NC.010;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;4
    Original filename is l279nc.sdrcc1._ from VAM076
    
    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>

    Date: 20-Jun-2012 (process 3 of 3)
    Magnetics Data
    06/20/2012 carolyn l-2-79-nc.220_050
    
    Reprocessed using subroutines from Susan Macmillan's
    IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
    with IGRF-11 coeffiecients integrated into the source code.
    /infobank/programs/mag/magred11/magred11.for
    Using geodetic coordinate system (Earth shape approximated by spheriod)
    with altitude 0.0 km (for sea level).
    
    Input was...
    10/31/1998  /tiger/l/l279nc/mag/l-2-79-nc.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    01/14/86 CAROLYN DRS$DATA:[L279NC.M]L279NC.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    was L279NC._.MAGSC1 on TAM196
    was L279NC220.DAT   on VAM196
    
    Converted to time format with year at start.
    
    05/10/85 KAYE USR$DISK:[KAYE.COASTAL]L279NC.010;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;4
    Original filename is l279nc.sdrcc1._ from VAM076
    
    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:


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 (l-2-79-nc.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197910301736000    197910310200000
    197910310224000    197910311758000
    197910311824000    197911011648000
    197911011712000    197911030244000
    197911030306000    197911040956000
    197911041044000    197911051614000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (l-2-79-nc.111_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197910301750200    197910310522400
    197910310532000    197910310555400
    197910310738400    197910310746000
    197910310801000    197910310810200
    197910310837000    197911021810200
    197911021817200    197911021818200
    197911021828200    197911031519200
    197911031724200    197911031731400
    197911031846400    197911031846400
    197911031857200    197911031911000
    197911032008200    197911032029400
    197911032335200    197911032355400
    197911040001200    197911040006200
    197911040014000    197911040034400
    197911040300400    197911040330200
    197911040336000    197911040344000
    197911040403200    197911040414400
    197911040433400    197911040450200
    197911040521400    197911051614000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-2-79-nc.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197910301838260    197911022341380
    197911030727080    197911030727120
    197911030815200    197911030815480
    197911031013260    197911031017060
    197911031102250    197911031102410
    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 L-2-79-NC data set <http://walrus.wr.usgs.gov/infobank/l/l279nc/html/l-2-79-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: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/l/l279nc/html/l-2-79-nc.nav.html>

Data format: ASCII Size: 3.8
Network links: <http://walrus.wr.usgs.gov/infobank/l/l279nc/html/l-2-79-nc.grav.html>

Data format: ASCII Size: 4.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l279nc/html/l-2-79-nc.mag.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 12:50:49 2013