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Identification_Information:

  Citation:
    Citation_Information:
      Originator: U.S. Geological Survey (USGS) , Coastal and Marine Geology Program (CMGP) 
      Publication_Date: 20131029
      Title:
        Geophysical data of field activity L-4-81-NC in Off San Mateo
        County, Northern California from 05/12/1981 to 05/13/1981
      Publication_Information:
        Publisher: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Publication_Place: Menlo Park, CA
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/gos/l-4-81-nc.fmeta.xml
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.meta.html

  Description:
    Abstract:
      Chief Scientist: Dave McCulloch. Geophysical data
      (dopplersonar, integratednavigation, miniranger,
      transitsatellite, 3dot5khz, 12khz, magnetics, gravity,
      uniboom, sparker, RhoRho) of field activity L-4-81-NC in Off
      San Mateo County, Northern California from 05/12/1981 to
      05/13/1981,
      http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.meta.html.

    Purpose:
      These data and information are intended for science
      researchers, students from elementary through
      college, policy makers, and general public.

    Supplemental_Information:

      Equipment Used -

      dopplersonar

      integratednavigation

      miniranger

      transitsatellite

      3dot5khz                      3.5 khz bathymetry

      12khz                         12 khz bathymetry

      magnetics                     shipboard magnetics

      gravity                       shipboard gravity

      uniboom

      sparker                       single-channel sparker

      RhoRho


      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.).

  Time_Period_of_Content:
    Time_Period_Information:
      Range_of_Dates/Times:
        Beginning_Date: 19810512
        Ending_Date: 19810513

    Currentness_Reference: ground condition

  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: As needed

  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -124.53240
      East_Bounding_Coordinate: -122.18615
      North_Bounding_Coordinate: 40.79724
      South_Bounding_Coordinate: 37.10279

  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: ISO 19115 Topic Category
      Theme_Keyword: geoscientificinformation
      Theme_Keyword: oceans
    Theme:
      Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
      Theme_Keyword: EARTH SCIENCE > OCEANS
    Theme:
      Theme_Keyword_Thesaurus: USGS CMG InfoBank
      Theme_Keyword: Marine Geology
      Theme_Keyword: Marine Geophysics
      Theme_Keyword: Marine Gravity Field
      Theme_Keyword: Marine Magnetic Field
      Theme_Keyword: Magnetic Anomalies
      Theme_Keyword: Bathymetry
      Theme_Keyword: Water Depth
      Theme_Keyword: Seafloor Topography
      Theme_Keyword: Marine Seismic

    Place:
      Place_Keyword_Thesaurus: USGS CMG InfoBank
      Place_Keyword: CA
      Place_Keyword: North Pacific Ocean
      Place_Keyword: Northern California
      Place_Keyword: Northern Pacific Ocean
      Place_Keyword: Off San Mateo County, Northern California
      Place_Keyword: San Francisco Bay, CA
      Place_Keyword: USA


  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.

  Point_of_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 


  Data_Set_Credit:
    Carolyn Degnan (Navigator);
    Dan Hurlbert (Watchstander);
    Dave Hogg (Electronics Technician);
    Dave McCulloch (Chief Scientist);
    Dennis Mann (Watchstander);
    Dave Melendrez (Chief Mate);
    Doug Rearic (Watchstander);
    Greg Lewis (Watchstander);
    Jim Saltzgaber (Chief Engineer);
    Kaye Kinoshita (Navigator);
    Kevin O'Toole (Mechanical Technician);
    Lisa Gossett (Navigator);
    Roy Fields (Electronics Technician);
    Russ Crane (Watchstander);
    Terry Ruff (Ship Captain)

  Native_Data_Set_Environment: Digital, ASCII
  Cross_Reference:
    Citation_Information:
      Originator: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
      Publication_Date: Unknown
      Title: USGS/CMG Information Bank 
      Publication_Information:
        Publisher: U.S. Geological Survey (USGS)  Coastal and Marine Geology (CMG) 
        Publication_Place: Menlo Park, CA
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/



Data_Quality_Information:

  Attribute_Accuracy:
    Attribute_Accuracy_Report: Identified as best available version.

  Logical_Consistency_Report: Unspecified

  Completeness_Report:
    Start and end date/times of data
    >Navigation Data (l-4-81-nc.052 [SINS])
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198105121656000    198105122048000
    >198105122115550    198105130242000
    >198105130248000    198105151527000
    >198105151539000    198105151549000
    >198105151558000    198105171206000
    >198105171213000    198105181402000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Gravity Data (l-4-81-nc.161_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198105121656300    198105131653000
    >198105132106180    198105132113180
    >198105132127480    198105160537060
    >198105160542180    198105162256540
    >198105162302240    198105181402000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Magnetics Data (l-4-81-nc.220_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198105140640000    198105140641200
    >198105140713200    198105140714400
    >198105140723200    198105140727200
    >198105141108200    198105141110200
    >198105160112000    198105160116400
    >198105160147400    198105160243200
    >198105160252200    198105160252200
    >198105160302200    198105160302200
    >198105160318400    198105160324200
    >198105160332400    198105160356000
    >198105160444000    198105180634560
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Bathymetry Data (l-4-81-nc.301_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198105121657300    198105131656400
    >198105132111200    198105132117200
    >198105132132500    198105141405400
    >198105141411000    198105160541070
    >198105160547190    198105161431480
    >198105161437160    198105162301560
    >198105162307240    198105180121400
    >198105180126440    198105181402000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST

  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report: Unspecified

    Vertical_Positional_Accuracy:
      Vertical_Positional_Accuracy_Report: Unspecified

  Lineage:

    Process_Step:
      Process_Description:
        Navigation Data
        >01/21/97 clint l-4-81-nc.052
        >/bear/programs/refmt/vms2unix/vms2unix
        >Integrated navigation (SINS) data
        >
        >Input was...
        >07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l481nc.sinsc1._.
        >
      Process_Date: 19970121

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Gravity Data
        >10/20/2008 clint l-4-81-nc.161_052
        >/infobank/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >10/11/85 BARB DRS$DATA:[L481NC.G]L481NC.161;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >
        >Input was...
        >01/21/97 clint l-4-81-nc.052
        >/bear/programs/refmt/vms2unix/vms2unix
        >Integrated navigation (SINS) data
        >
        >07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l481nc.sinsc1._.
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 20081020

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Magnetics Data
        >06/20/2012 carolyn l-4-81-nc.220_052
        >
        >Reprocessed using subroutines from Susan Macmillan's
        >IGRF SYNTHESIS PROGRAM 
        >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...
        >10/20/2008 clint l-4-81-nc.200_052
        >/infobank/programs/edit/automerge/automerge
        >
        >Converted to time format with year at start.
        >
        >11/18/85 CAROLYN DRS$DATA:[L481NC.M]L481NC.200;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >was L481NC._.MAGSB1       on TAM277
        >was L481NC220.DAT         on VAM277
        >
        >01/21/97 clint l-4-81-nc.052
        >/bear/programs/refmt/vms2unix/vms2unix
        >Integrated navigation (SINS) data
        >
        >07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l481nc.sinsc1._.
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 20120620

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

    Process_Step:
      Process_Description:
        Bathymetry Data
        >10/20/2008 clint l-4-81-nc.301_052
        >/infobank/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >08/29/85 BECKIE DUA0:[DATA.L481NC.B]L481NC.301;
        >DRB0:[DRS.DSMPL]DESAMTIME.EXE;1
        >This file is edited 2 min. digitrack bathy.
        >
        >Input was...
        >01/21/97 clint l-4-81-nc.052
        >/bear/programs/refmt/vms2unix/vms2unix
        >Integrated navigation (SINS) data
        >
        >07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l481nc.sinsc1._.
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 20081020

      Process_Contact:
        Contact_Information:
          Contact_Organization_Primary:
            Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
            Contact_Person: Clint Steele 

          Contact_Position: InfoBank Group Leader 

          Contact_Address:
            Address_Type: mailing and physical address
            Address: USGS, MailStop 999, 345 Middlefield Road
            City: Menlo Park
            State_or_Province: CA
            Postal_Code: 94025-3561
            Country: USA

          Contact_Voice_Telephone: (650) 329-5055
          Contact_Facsimile_Telephone: (650) 329-5190

          Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 


Spatial_Data_Organization_Information:

  Indirect_Spatial_Reference: Off San Mateo County, Northern California
  Direct_Spatial_Reference_Method: Point

  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Point


Spatial_Reference_Information:

  Horizontal_Coordinate_System_Definition:
    Geographic:
      Latitude_Resolution: 0.00001
      Longitude_Resolution: 0.00001
      Geographic_Coordinate_Units: Decimal degrees

    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1927
      Ellipsoid_Name: Clarke 1866
      Semi-major_Axis: 6378206.4
      Denominator_of_Flattening_Ratio: 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


Entity_and_Attribute_Information:

  Overview_Description:
    Entity_and_Attribute_Overview: Bathymetry with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Gravity with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Magnetics with Time Stamp 

  Overview_Description:
    Entity_and_Attribute_Overview: Navigation with Time Stamp 


Distribution_Information:

  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

  Resource_Description: Downloadable Data L-4-81-NC data set 

  Distribution_Liability:
    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.

  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.3

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.nav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.7

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.grav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 2.6

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.mag.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 0.2

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.bath.html

    Fees: None


Metadata_Reference_Information:

  Metadata_Date: 20131029

  Metadata_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: U.S. Geological Survey (USGS) , Coastal and Marine Geology (CMG) 
        Contact_Person: Clint Steele 

      Contact_Position: InfoBank Group Leader 

      Contact_Address:
        Address_Type: mailing and physical address
        Address: USGS, MailStop 999, 345 Middlefield Road
        City: Menlo Park
        State_or_Province: CA
        Postal_Code: 94025-3561
        Country: USA

      Contact_Voice_Telephone: (650) 329-5055
      Contact_Facsimile_Telephone: (650) 329-5190

      Contact_Electronic_Mail_Address: infobank@octopus.wr.usgs.gov 

  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata 

  Metadata_Standard_Version: FGDC-STD-001-1998 

  Metadata_Time_Convention: universal time
  Metadata_Access_Constraints: none
  Metadata_Use_Constraints: none



      
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Page Last Modified: Tue Oct 29 12:51:07 PDT 2013  (chd)