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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-12-82-WG in Western Gulf
        of Alaska from 09/22/1982 to 10/05/1982
      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-12-82-wg.fmeta.xml
      Online_Linkage: http://walrus.wr.usgs.gov/infobank/l/l1282wg/html/l-12-82-wg.meta.html

  Description:
    Abstract:
      Chief Scientists: Steve Lewis, Terry Bruns. Geophysical
      data (3dot5khz, 12khz, gravity, uniboom, airgun,
      airgunmonitor, courserecorder, integratednavigation, RhoRho,
      transitsatellite, 24channel) of field activity L-12-82-WG in
      Western Gulf of Alaska from 09/22/1982 to 10/05/1982,
      http://walrus.wr.usgs.gov/infobank/l/l1282wg/html/l-12-82-wg.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 -

      3dot5khz                      3.5 khz bathymetry

      12khz                         12 khz bathymetry

      gravity

      uniboom

      airgun                        single-channel airgun

      airgunmonitor                 single-channel airgun monitor

      courserecorder

      integratednavigation

      RhoRho

      transitsatellite

      24channel

      Notes -

      Photos and reminiscences by Andy Alden


      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: 19820922
        Ending_Date: 19821005

    Currentness_Reference: ground condition

  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: As needed

  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -166.52713
      East_Bounding_Coordinate: -158.30482
      North_Bounding_Coordinate: 55.33219
      South_Bounding_Coordinate: 52.53880

  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: AK
      Place_Keyword: Aleutian Arc
      Place_Keyword: USA
      Place_Keyword: Western Gulf of Alaska


  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:
    Aaron Dunwald (Chief Engineer);
    Al McClenaghan (Ship Captain);
    Andy Alden (Watchstander);
    Chris Wilson (Navigator);
    Dan Conley (Watchstander);
    Dave Melendrez (Chief Mate);
    Donna Blackman (Watchstander);
    Greg Smith (Geophysicist);
    Holly Ryan (Watchstander);
    Jack Swenson (Mechanical Technician);
    Jim Vaughan (Electronics Technician);
    John Fife (Watchstander);
    Kaye Kinoshita (Navigator);
    Larry Kooker (Electronics Technician);
    Paul Wenberg (Mechanical Technician);
    Steve Lewis (Chief Scientist, Lamont-Doherty);
    Sue Hunt (Navigator);
    Terry Bruns (Chief Scientist)

  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-12-82-wg.052 [SINS])
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198209222208000    198209251241200
    >198209251250390    198209280116290
    >198209280148000    198210052144000
    >198210052247000    198210052247000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Gravity Data (l-12-82-wg.151_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198209230336000    198209240016480
    >198209240026000    198209240047000
    >198209240058000    198209240142000
    >198209250000120    198209250000120
    >198209260000000    198209260549480
    >198209260839000    198209261517000
    >198209261538000    198209261653000
    >198209261737240    198209261915240
    >198209261936240    198209262016240
    >198209262031240    198209262123240
    >198209262223240    198209262324240
    >198209262351240    198209270236240
    >198209270253240    198209271115000
    >198209271142000    198209271951000
    >198209272023480    198209272138000
    >198209272253540    198209272253540
    >198209281312180    198209281312180
    >198209282040180    198209282040180
    >198209282227240    198209282351240
    >198209290009240    198209290840000
    >198209291108000    198209292105120
    >198209292134120    198209292325120
    >198209292330540    198209300109540
    >198209300208540    198209300732540
    >198209300819480    198209301600000
    >198209301611480    198209301752480
    >198209301804480    198209302136480
    >198209302152480    198210010222000
    >198210010258240    198210011655000
    >198210011703120    198210012018420
    >198210012037420    198210020157420
    >198210020251420    198210020929120
    >198210020950120    198210021119120
    >198210021151120    198210022046540
    >198210022144000    198210030648480
    >198210030741480    198210031942480
    >198210032040480    198210040024480
    >198210040051480    198210040310420
    >198210040325360    198210042202240
    >198210042213240    198210050134360
    >198210050155360    198210050433000
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Magnetics Data (l-12-82-wg.220_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198209230916570    198209240022210
    >198209240030570    198209240915250
    >198209240921490    198209241808050
    >198209241818130    198209251154100
    >198209251159260    198209260554580
    >198209260844020    198209261658220
    >198209261742260    198209271956140
    >198209272028460    198209280131300
    >198209282100190    198209300738170
    >198209300824450    198210022051530
    >198210022149010    198210040030450
    >198210040056490    198210050331290
    >198210050631300    198210052030500
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Bathymetry Data (l-12-82-wg.320_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >Seismic Shots Data (l-12-82-wg.422_052)
    >YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    >198209230950150    198209231801360
    >198209231811240    198209231817090
    >198209231833290    198209231910080
    >198209231944280    198209232022110
    >198209232059590    198209232136270
    >198209232214290    198209232253390
    >198209232334500    198209240013140
    >198209240056480    198209240142090
    >198209240230370    198209240546310
    >198209240645060    198209241433310
    >198209241525280    198209242059370
    >198209242110000    198209242153490
    >198209242218500    198209251237530
    >198209251330450    198209251648000
    >198209251715510    198209251755190
    >198209251823490    198209251838230
    >198209251904470    198209260937180
    >198209261003080    198209261048030
    >198209261120070    198209261207290
    >198209261255430    198209261348500
    >198209261440060    198209261520060
    >198209261654300    198209261741250
    >198209261824540    198209262115170
    >198209262220110    198209271118080
    >198209271205160    198209280054120
    >198209282027120    198209290134460
    >198209290225140    198209290733510
    >198209290757190    198209292100030
    >198209292140240    198209300114470
    >198209300220180    198209301059540
    >198209301200290    198209301345470
    >198209301420120    198209302241590
    >198209302320070    198210010154590
    >198210010255090    198210012019330
    >198210012105350    198210020200050
    >198210020300430    198210020935590
    >198210021003170    198210021119540
    >198210021215190    198210030644410
    >198210030745240    198210031950200
    >198210032039570    198210040307030
    >198210040337240    198210041915190
    >198210041940000    198210050110030
    >198210050205200    198210050329540
    >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
        >Converted to time format with year at start.
        >
        >07/02/85 KAYE DRS$DATA:[L1282WG.N]LC82WG.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l1282wg.sinsc1._.
        >
      Process_Date: 19960119

      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
        >10/31/1998  /tiger/l/l1282wg/grav/l-12-82-wg.151_052
        >/bear/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >10/10/85 BARB DRS$DATA:[LC82WG.G]LC82WG.151;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >07/02/85 KAYE DRS$DATA:[L1282WG.N]LC82WG.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l1282wg.sinsc1._.
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 19981031

      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-12-82-wg.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...
        >10/31/1998  /tiger/l/l1282wg/mag/l-12-82-wg.200_052
        >/bear/programs/edit/automerge/automerge
        >
        >Converted to time format with year at start.
        >
        >10/03/85 CAROLYN DRS$DATA:[L1282BS.M]LC82WG.200;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >was L1282WG._.MAGSB1 on TAM415
        >was LB82WG240.DAT    on VAM415
        >
        >Converted to time format with year at start.
        >
        >07/02/85 KAYE DRS$DATA:[L1282WG.N]LC82WG.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l1282wg.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
        >10/31/1998  /tiger/l/l1282wg/bath/l-12-82-wg.320_052
        >/bear/programs/edit/automerge/automerge
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >07/16/85 BECKIE DUA0:[DATA.L1282WG.B]LC82WG.320;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >I BELIEVE THIS FILE TO BE HAND-DIGETIZED BATHY IN 2-WAY
        >TRAVEL-TIME.  I DO NOT KNOW WHAT MATHEWS AREA WAS USED
        >TO CALCULATE THE CORRECTED DEPTHS.  R.LARSEN
        >
        >Input was...
        >Converted to time format with year at start.
        >
        >07/02/85 KAYE DRS$DATA:[L1282WG.N]LC82WG.052;
        >DRB0:[DRS.REFMT]REFORMAT.EXE;4
        >Original file name is l1282wg.sinsc1._.
        >
        >time, lat, long, time(sec) to nearest nav fix, data values
      Process_Date: 19981031

      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: Western Gulf of Alaska
  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 

  Overview_Description:
    Entity_and_Attribute_Overview: Seismic Shots 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-12-82-WG 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/l1282wg/html/l-12-82-wg.nav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 1.0

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l1282wg/html/l-12-82-wg.grav.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 1.4

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l1282wg/html/l-12-82-wg.mag.html

    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/l1282wg/html/l-12-82-wg.bath.html

    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ASCII
        File_Decompression_Technique: No compression applied
        Transfer_Size: 1.9

      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: http://walrus.wr.usgs.gov/infobank/l/l1282wg/html/l-12-82-wg.seis.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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