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What does this data set describe?

Title:
Geophysical data of field activity S-9-79-WG in Western Gulf of Alaska from 08/18/1979 to 08/31/1979
Abstract:
United States Geological Survey, Menlo Park, California. Chief Scientist: Mike Fisher. Geophysical data (3dot5khz, 12khz, magnetics, LoranC, transitsatellite, uniboom, airgun, gravity, dartcore, chaindredge, Soutargrab) of field activity S-9-79-WG in Western Gulf of Alaska from 08/18/1979 to 08/31/1979, <http://walrus.wr.usgs.gov/infobank/s/s979wg/html/s-9-79-wg.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
magnetics shipboard magnetics
LoranC
transitsatellite
uniboom
airgun single-channel airgun
gravity
dartcore
chaindredge
Soutargrab
Publications -
Fisher, M. A., von Huene, R. E., and Hampton, M. A., 1984,
Summary geologic report for petroleum lease sale 100, Kodiak Shelf, Alaska:
U.S. Geological Survey Open-File Report 84-24, 49 p., URL:
<A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>.
&nbsp;&nbsp;
Fisher, Michael A., von Huene, Roland, and Steele, William Clinton, 1983,
Marine free-air gravity map of the western Gulf of Alaska, lower Cook Inlet, and Shelikof Strait, Alaska:
U.S. Geological Survey Open-File Report 83-52, 2 maps, URL:
<A HREF ="
<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>.

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 S-9-79-WG in Western Gulf of Alaska from 08/18/1979 to 08/31/1979: 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: -157.74535
    East_Bounding_Coordinate: -148.81888
    North_Bounding_Coordinate: 58.14161
    South_Bounding_Coordinate: 55.22614

  3. What does it look like?

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

    Beginning_Date: 18-Aug-1979
    Ending_Date: 31-Aug-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: Western Gulf of Alaska
      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:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    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?

    Barb Blubaugh (Navigator, USGS Western Region); Bob Patrick (Electronics Technician, USGS Western Region); Darrell Klingman (Watchstander); Dennis Giovannetti (Watchstander); George Moore (Unsp Investigatr, USGS Western Region); Glen Barker (Mechanical Technician, USGS Western Region); Guy Cochrane (Watchstander, USGS Western Region); John Dunlavey (Navigator); John Saladin (Electronics Technician, USGS Western Region); Ken Taylor (Chief Engineer); Kevin O'Toole (Mechanical Technician, USGS Western Region); Mike Fisher (Chief Scientist, USGS Western Region); Pat McClellan (Watchstander, USGS Western Region); Paul Bates (Chief Mate); Rich Garlow (Navigator, USGS Western Region); Ross Voorhees (Watchstander); Scott Rainsford (Watchstander); Vernon Pilgrim (Ship Captain)

  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 4)
    Navigation Data
    Converted to time format with year at start.
    
    01/16/86 KAYE DUA0:[DATA.S979WG.N]S979WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    

    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 4)
    Gravity Data
    10/31/1998  /tiger/s/s979wg/grav/s-9-79-wg.165_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    05/07/86 CLINT DUA0:[DATA.S979WG]S979WG.165;
    DRB0:[CLINT]REFMTJCGRV.EXE;
    deleted spikes in S979WG.161
    from JChilds file s979wg.editgrv
    
    11/27/85 BARB DUA0:[DATA.S979WG]S979WG.161;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    01/16/86 KAYE DUA0:[DATA.S979WG.N]S979WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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 4)
    Magnetics Data
    06/20/2012 carolyn s-9-79-wg.220_011
    
    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/s/s979wg/mag/s-9-79-wg.200_011
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    01/15/86 CAROLYN DRS$DATA:[S979WG.M]S979WG.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    was S979WG.DRCPF1.MAGSD1 on TAM274
    was S979WG240.DAT        on MAM274
    
    Converted to time format with year at start.
    
    01/16/86 KAYE DUA0:[DATA.S979WG.N]S979WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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: 31-Oct-1998 (process 4 of 4)
    Bathymetry Data
    10/31/1998  /tiger/s/s979wg/bath/s-9-79-wg.335_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    01/15/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]S979WG.335;
    DRB0:[DRS.BAT]BATRED.EXE;1
    This file was hand-digetized in 2-way traveltime(secs)
    and reduced with no Matthews correction.  Velocity
    of sound assumed: 1500m/sec/
    
    Input was...
    Converted to time format with year at start.
    
    01/16/86 KAYE DUA0:[DATA.S979WG.N]S979WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    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:
    Fisher, M. A., von Huene, R. E., and Hampton, M. A., 1984, Summary geologic report for petroleum lease sale 100, Kodiak Shelf, Alaska: U.S. Geological Survey Open-File Report 84-24, 49 p., URL: <A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>. &nbsp;&nbsp; Fisher, Michael A., von Huene, Roland, and Steele, William Clinton, 1983, Marine free-air gravity map of the western Gulf of Alaska, lower Cook Inlet, and Shelikof Strait, Alaska: U.S. Geological Survey Open-File Report 83-52, 2 maps, URL: <A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>.



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 (s-9-79-wg.011 [DRS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197908181757410    197908302152040
    197908302211040    197908311905050
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (s-9-79-wg.165_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197908182241000    197908190353000
    197908190420000    197908190812000
    197908200041000    197908200158000
    197908200656000    197908200656000
    197908202356000    197908210117000
    197908210133000    197908210159000
    197908210225000    197908210225000
    197908210537000    197908210538000
    197908210606000    197908210640000
    197908212220000    197908212336000
    197908220000000    197908220233000
    197908220301000    197908220643000
    197908222356000    197908230246000
    197908231634000    197908231651000
    197908231701000    197908231701000
    197908231708000    197908232014000
    197908240058000    197908240305000
    197908240337000    197908240740000
    197908241643000    197908241910000
    197908241934000    197908242220000
    197908242243000    197908250627000
    197908250647000    197908250726000
    197908250733000    197908251117000
    197908251132000    197908251206000
    197908251222000    197908251421000
    197908251429000    197908251517000
    197908251530000    197908251722000
    197908251739000    197908252012000
    197908252027000    197908252316000
    197908252336000    197908260010000
    197908260043000    197908260332000
    197908261156000    197908261703000
    197908261736000    197908262113000
    197908262202000    197908262249000
    197908262305000    197908270032000
    197908270054000    197908270247000
    197908270314000    197908270445000
    197908270521000    197908270737000
    197908270747000    197908270826000
    197908270842000    197908270912000
    197908270926000    197908271141000
    197908271152000    197908271215000
    197908271228000    197908271328000
    197908271344000    197908271538000
    197908271607000    197908271707000
    197908271726000    197908271825000
    197908271847000    197908272010000
    197908272041000    197908272213000
    197908272233000    197908280039000
    197908280138000    197908280213000
    197908280331000    197908280520000
    197908280620000    197908280722000
    197908280737000    197908281942000
    197908281958000    197908282032000
    197908291459000    197908291500000
    197908291511000    197908291941000
    197908291955000    197908292050000
    197908301628000    197908302255000
    197908311057000    197908311157000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (s-9-79-wg.220_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197908241629300    197908262227060
    197908262235060    197908280514180
    197908280616060    197908282033060
    197908291455120    197908292106060
    197908301622000    197908301627000
    197908301635300    197908302316060
    197908311100060    197908311109480
    197908311115060    197908311658060
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (s-9-79-wg.335_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197908242200120    197908242209060
    197908242214300    197908242224180
    197908242230300    197908242238360
    197908242244120    197908242253300
    197908242259420    197908242310060
    197908242315120    197908242318240
    197908242326360    197908242344360
    197908242349540    197908242354360
    197908250000300    197908250000300
    197908250007000    197908250007000
    197908250013300    197908250015420
    197908250021540    197908250021540
    197908250027060    197908250030540
    197908250036360    197908250049480
    197908250058180    197908250145180
    197908250152060    197908251108420
    197908251113540    197908251118120
    197908251123300    197908251139360
    197908251145120    197908251615360
    197908251622120    197908251639480
    197908251645180    197908251800420
    197908251811060    197908251834060
    197908251845000    197908251845000
    197908251900000    197908251900000
    197908251914480    197908251914480
    197908251929360    197908251929360
    197908251938300    197908251938300
    197908251946120    197908251946120
    197908251959420    197908251959420
    197908252015000    197908252045000
    197908252053300    197908252053300
    197908252100420    197908252100420
    197908252110480    197908252110480
    197908252116480    197908252133420
    197908252140060    197908252221000
    197908252226180    197908252227240
    197908252232360    197908252232360
    197908252241180    197908252241180
    197908252250120    197908252313360
    197908252318420    197908260140000
    197908260146000    197908260208120
    197908260214420    197908260224300
    197908260230000    197908260230000
    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 S-9-79-WG data set <http://walrus.wr.usgs.gov/infobank/s/s979wg/html/s-9-79-wg.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: 0.7
Network links: <http://walrus.wr.usgs.gov/infobank/s/s979wg/html/s-9-79-wg.nav.html>

Data format: ASCII Size: 0.6
Network links: <http://walrus.wr.usgs.gov/infobank/s/s979wg/html/s-9-79-wg.grav.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/s/s979wg/html/s-9-79-wg.mag.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/s/s979wg/html/s-9-79-wg.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 15:47:07 2013