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What does this data set describe?

Title:
Geophysical data of field activity L-2-85-NC in Northern California from 04/03/1985 to 04/04/1985
Abstract:
Chief Scientists: Bob Hall, Mike Torresan. Geophysical data (12khz, 3dot5khz, LoranC, RhoRho, transitsatellite, sidescansonar) of field activity L-2-85-NC in Northern California from 04/03/1985 to 04/04/1985, <http://walrus.wr.usgs.gov/infobank/l/l285nc/html/l-2-85-nc.meta.html>.
Supplemental_Information:

Equipment Used -
12khz 12 khz bathymetry
3dot5khz 3.5 khz bathymetry
LoranC
RhoRho Loran C Rho-Rho
transitsatellite
sidescansonar
Publications -
Hall, Robert K., and Torresan, Michael, 1985, The search for the S.S. Puerto Rican using
side-scan sonar; L1-85-NC and L2-85-NC cruise report: U.S. Geological Survey Open-File Report
85-0454, 13 p.<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 L-2-85-NC in Northern California from 04/03/1985 to 04/04/1985: 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: -123.04708
    East_Bounding_Coordinate: -122.19119
    North_Bounding_Coordinate: 37.83453
    South_Bounding_Coordinate: 37.47101

  3. What does it look like?

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

    Beginning_Date: 03-Apr-1985
    Ending_Date: 04-Apr-1985
    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.

      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?

    Adolfo Ramirez (Unsp Investigatr, USCG); Al McClenaghan (Ship Captain); Bill Albert (Unsp Investigatr, USCG); Bob Hall (Chief Scientist); Chris Poppe (Chief Mate); Dave Meyer (Geologist); Dave Myer (Geologist); Eileen Hemphill-Haley (Navigator); Eric Kauffman (Unspecified Investigator); John Ryan (Chief Engineer); Kaye Kinoshita (Navigator); Laura Timothy (Geologist); Mike Boyle (Electronics Technician); Mike Torresan (Chief Scientist); Russell Hyde (Unspecified Investigator, USCG); Stewart McGee (Unspecified Investigator, USCG/NOAA); Terry Kelley (Unspecified Investigator); Tom Reiss (Geologist)

  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: 19-Jan-1996 (process 1 of 2)
    Navigation Data
    Converted to time format with year at start.
    
    04/22/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]EOTCSSP.054;
    USR$DISK:[DRS.NAV]EOTCSSP.EXE;
    
    Input was...
    04/22/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]L285NC.054;
    USR$DISK:[DRS.FILT]FILTER.EXE;
    
    04/22/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]FILTLAT.053;
    USR$DISK:[DRS.FILT]FILTER.EXE;
    
    04/19/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]L285NC.053;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;4
    
    

    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: 31-Oct-1998 (process 2 of 2)
    Bathymetry Data
    10/31/1998  /tiger/l/l285nc/bath/l-2-85-nc.330_071
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    08/18/88 JEAN DUA0:[DRS.CDI.HALL]L285NC.330;
    DUA0:[DRS.BAT]BATRED.EXE;2
    Edited bathymetry data
    
    09/06/85 BECKIE DUA0:[DATA.L285NC.B]L285NC.301;
    DRB0:[DRS.DSMPL]DESAMTIME.EXE;1
    This file is 2 min. digitrack bathy.
    
    Input was...
    Converted to time format with year at start.
    
    04/22/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]EOTCSSP.054;
    USR$DISK:[DRS.NAV]EOTCSSP.EXE;
    
    04/22/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]L285NC.054;
    USR$DISK:[DRS.FILT]FILTER.EXE;
    
    04/22/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]FILTLAT.053;
    USR$DISK:[DRS.FILT]FILTER.EXE;
    
    04/19/85 KAYE USR$DISK:[DRS.DATA.L285NC.N]L285NC.053;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;4
    
    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:
    Hall, Robert K., and Torresan, Michael, 1985, The search for the S.S. Puerto Rican using side-scan sonar; L1-85-NC and L2-85-NC cruise report: U.S. Geological Survey Open-File Report 85-0454, 13 p.



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-2-85-nc.071)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198504030153150    198504031043000
    198504031055000    198504031122000
    198504031129000    198504031129000
    198504031139000    198504031144000
    198504031150000    198504031150000
    198504031214000    198504031500000
    198504031510000    198504031520000
    198504031530000    198504031531000
    198504031538000    198504031540000
    198504031550000    198504031550000
    198504031600000    198504031600000
    198504031606000    198504031610000
    198504031620000    198504031640000
    198504031650000    198504031650000
    198504031700000    198504040229000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-2-85-nc.330_071)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198504030832000    198504031041000
    198504031055000    198504031100000
    198504031106000    198504031111000
    198504031117000    198504031117000
    198504031129000    198504031129000
    198504031214000    198504031313000
    198504031319000    198504031401000
    198504031408000    198504031444000
    198504031451000    198504031457000
    198504031513000    198504031523000
    198504031531000    198504031531000
    198504031538000    198504031538000
    198504031622000    198504031622000
    198504031629000    198504031629000
    198504031635000    198504040123000
    198504040130000    198504040212000
    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-2-85-NC data set <http://walrus.wr.usgs.gov/infobank/l/l285nc/html/l-2-85-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: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l285nc/html/l-2-85-nc.nav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/l/l285nc/html/l-2-85-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 12:50:51 2013