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What does this data set describe?

Title:
Geological and Geophysical data of field activity S-7-79-WG in Western Gulf of Alaska from 07/20/1979 to 07/25/1979
Abstract:
United States Geological Survey, Menlo Park, California,United States Geological Survey, Woods Hole, Massachusetts. Chief Scientist: Terry Bruns. Geological and Geophysical data (3dot5khz, 12khz, magnetics, airgun, gravity, chaindredge, integratednavigation, transitsatellite, LoranC) of field activity S-7-79-WG in Western Gulf of Alaska from 07/20/1979 to 07/25/1979, <http://walrus.wr.usgs.gov/infobank/s/s779wg/html/s-7-79-wg.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
magnetics magnetometer
airgun 160 kj single-channel airgun
gravity shipboard gravity
chaindredge
integratednavigation
transitsatellite
LoranC

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 S-7-79-WG in Western Gulf of Alaska from 07/20/1979 to 07/25/1979: 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: -166.50197
    East_Bounding_Coordinate: -153.35068
    North_Bounding_Coordinate: 56.72238
    South_Bounding_Coordinate: 53.14613

  3. What does it look like?

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

    Beginning_Date: 20-Jul-1979
    Ending_Date: 25-Jul-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:
    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?

    Andy Stevenson (Geologist, USGS Western Region); Bill Schwab (Geophysicist, USGS Woods Hole); Bob Wilson (Mechanical Technician, USGS Western Region); Frank Scherer (Ship Captain); Gordon Pitt (Chief Mate, USGS Western Region); Helen Gibbons (Navigator, USGS Western Region); Jim Nicholson (Electronics Technician, USGS Western Region); Jon Erickson (Mechanical Technician, USGS Western Region); Ken Johnson (Navigator, USGS Western Region); Margaret Goud (Navigator, USGS Western Region); Mike Underwood (Geologist, USGS Western Region); Randy Koski (Geologist, USGS Western Region); Ron Schmitz (Electronics Technician); Scott Conard (Chief Engineer, USGS Western Region); Terry Bruns (Chief Scientist, USGS Western Region); Terry Edgar (Geophysicist)

  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 3)
    Navigation Data
    Converted to time format with year at start.
    
    01/03/86 KAYE DUA0:[DATA.S779WG.N]S779WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    Original filename s779wg.drcpb1._.  Desampled
    to 2 minutes.
    
    

    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 3)
    Gravity Data
    10/31/1998  /tiger/s/s779wg/grav/s-7-79-wg.160_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    06/14/85 BARB USR$DISK:[DRS.DATA.S779WG.G]S779WG.160;
    deleted spikes in S779WG.161
    
    11/27/85 BARB USR$DISK:[DRS.DATA.S779WG.G]S779WG.161;
    DRB0:[DRS.REFMT]REFORMAT.EXE;3
    
    Input was...
    Converted to time format with year at start.
    
    01/03/86 KAYE DUA0:[DATA.S779WG.N]S779WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    Original filename s779wg.drcpb1._.  Desampled
    to 2 minutes.
    
    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 3 of 3)
    Bathymetry Data
    10/31/1998  /tiger/s/s779wg/bath/s-7-79-wg.335_011
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    01/13/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]S779WG.335;
    DRB0:[DRS.BAT]BATRED.EXE;1
    This file was hand-digetized in 2-way traveltime(secs).
    Reduction program uses no Matthews correction and
    sound velocity assumed = 1500m/sec.
    
    01/13/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]S779WG.310;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    01/03/86 KAYE DUA0:[DATA.S779WG.N]S779WG.011;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    Original filename s779wg.drcpb1._.  Desampled
    to 2 minutes.
    
    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 (s-7-79-wg.011 [DRS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197907202108040    197907211845040
    197907211854040    197907220557040
    197907220605040    197907230648040
    197907230657040    197907232114040
    197907240319050    197907250415050
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (s-7-79-wg.160_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197907202215000    197907202215000
    197907202251000    197907210749000
    197907210825000    197907211221000
    197907211251000    197907211909000
    197907211917000    197907212139000
    197907212209000    197907220141000
    197907220215000    197907220233000
    197907220241000    197907220413000
    197907221541000    197907221601000
    197907221637000    197907230511000
    197907230555000    197907230633000
    197907231111000    197907231209000
    197907231215000    197907231231000
    197907231255000    197907231535000
    197907231551000    197907231925000
    197907231945000    197907232119000
    197907232131000    197907232209000
    197907240029000    197907241003000
    197907241034000    197907241034000
    197907241044000    197907241044000
    197907241133000    197907241133000
    197907241237000    197907241237000
    197907241337000    197907241337000
    197907241434000    197907241434000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (s-7-79-wg.335_011)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197907210223420    197907210223420
    197907210229480    197907210229480
    197907210236300    197907210236300
    197907210241420    197907210244360
    197907210251000    197907210258180
    197907210306120    197907210306120
    197907210311420    197907210316060
    197907210321420    197907210321420
    197907210328000    197907210332420
    197907210345120    197907210345120
    197907210354000    197907210403420
    197907210411360    197907210411360
    197907210416480    197907210416480
    197907210422120    197907210422120
    197907210427480    197907210427480
    197907210433420    197907210433420
    197907210439000    197907210439000
    197907210445480    197907210445480
    197907210451540    197907210500420
    197907210515000    197907210515000
    197907210520480    197907210520480
    197907210529000    197907210529000
    197907210544540    197907210544540
    197907210601120    197907210601120
    197907210615060    197907210615060
    197907210622540    197907210632420
    197907210645060    197907210645060
    197907210657240    197907210700420
    197907210715120    197907210715120
    197907210724180    197907210728000
    197907210739120    197907210739120
    197907210747360    197907210747360
    197907210806300    197907210806300
    197907210823240    197907210823240
    197907210831480    197907210831480
    197907210836540    197907210836540
    197907210844540    197907210844540
    197907210853240    197907210853240
    197907210929060    197907210932300
    197907210944540    197907210944540
    197907210953480    197907210956300
    197907211004180    197907211004180
    197907211034060    197907211034060
    197907211046120    197907211046120
    197907211054480    197907211054480
    197907211103420    197907211107420
    197907211121420    197907211121420
    197907211140060    197907211140060
    197907211148360    197907211148360
    197907211154480    197907211154480
    197907211200000    197907211200000
    197907211207480    197907211207480
    197907211219360    197907211219360
    197907211228180    197907211230300
    197907211244480    197907211244480
    197907211300420    197907211300420
    197907211314540    197907211314540
    197907211325240    197907211325240
    197907211332000    197907211337000
    197907211347540    197907211347540
    197907211353180    197907211531480
    197907211537480    197907211537480
    197907211543540    197907211731180
    197907211739180    197907211743420
    197907211749240    197907211804300
    197907211809480    197907211836060
    197907211842360    197907211842360
    197907211850240    197907211853180
    197907211901420    197907211903540
    197907211909120    197907212132480
    197907212138480    197907212148360
    197907212203000    197907212219360
    197907212225180    197907212257000
    197907212302060    197907212331180
    197907212349540    197907220001480
    197907220008060    197907220008060
    197907220014180    197907220028540
    197907220049000    197907220049000
    197907220111120    197907220111120
    197907220121540    197907220121540
    197907220130060    197907220133480
    197907220139300    197907220143180
    197907220148360    197907220148360
    197907220154060    197907220208060
    197907220213540    197907220213540
    197907220221000    197907220244420
    197907220250300    197907220257000
    197907220303180    197907220417120
    197907220422240    197907220425240
    197907220431120    197907220451120
    197907220456360    197907220501300
    197907220507360    197907220510120
    197907220516300    197907220531360
    197907220537480    197907220537480
    197907220543300    197907220543300
    197907220549300    197907220607480
    197907220613180    197907220631540
    197907220639060    197907220639060
    197907220645000    197907220645000
    197907220652060    197907220652060
    197907220700180    197907220709480
    197907220715300    197907220715300
    197907220723420    197907220723420
    197907220729540    197907220729540
    197907220735120    197907220750000
    197907220755060    197907220907540
    197907220913120    197907221023540
    197907221029540    197907221043060
    197907221049420    197907221049420
    197907221102240    197907221124540
    197907221130240    197907221157480
    197907221205120    197907221205120
    197907221212120    197907221212120
    197907221220480    197907221220480
    197907221228240    197907221231120
    197907221239000    197907221347240
    197907221352480    197907221424180
    197907221429480    197907221437540
    197907221446240    197907221536240
    197907221544480    197907221836060
    197907221842000    197907221847480
    197907221853240    197907221940420
    197907221949000    197907222001060
    197907222006300    197907222057540
    197907222103000    197907222222360
    197907222247240    197907230428120
    197907230433360    197907230749420
    197907230756480    197907230822300
    197907230830000    197907230834420
    197907230841000    197907230841000
    197907230846120    197907230846120
    197907230856300    197907230903240
    197907230912300    197907230920420
    197907230926540    197907230926540
    197907230933060    197907230933060
    197907230940540    197907230940540
    197907230949480    197907230949480
    197907230955240    197907231030120
    197907231036360    197907231054180
    197907231100240    197907231145000
    197907231151480    197907231200180
    197907231205420    197907231307360
    197907231313120    197907231521180
    197907231546420    197907231856180
    197907231901360    197907231935360
    197907231945180    197907232131300
    197907232136540    197907232136540
    197907232142180    197907232155360
    197907232201000    197907232205240
    197907232211180    197907232214120
    197907232221240    197907232221240
    197907232236300    197907232239540
    197907232247180    197907232334480
    197907232340420    197907232345000
    197907232350120    197907232357060
    197907240002300    197907240002300
    197907240007540    197907240222540
    197907240229420    197907240615060
    197907240620420    197907240744540
    197907240752180    197907240812060
    197907240819480    197907240829480
    197907240836420    197907240900000
    197907240905420    197907240925540
    197907240931180    197907240933360
    197907240939360    197907241033480
    197907241039180    197907241039180
    197907241045000    197907241045000
    197907241053420    197907241053420
    197907241103420    197907241103420
    197907241115480    197907241115480
    197907241128420    197907241128420
    197907241134360    197907241248000
    197907241253360    197907241300000
    197907241305060    197907241305060
    197907241312300    197907241329480
    197907241335420    197907241341300
    197907241349000    197907241349000
    197907241359120    197907241439300
    197907241446540    197907241446540
    197907241453360    197907241457300
    197907241504540    197907241508000
    197907241513060    197907241513060
    197907241518120    197907241522240
    197907241527300    197907241527300
    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-7-79-WG data set <http://walrus.wr.usgs.gov/infobank/s/s779wg/html/s-7-79-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: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/s/s779wg/html/s-7-79-wg.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/s/s779wg/html/s-7-79-wg.grav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/s/s779wg/html/s-7-79-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 15:47:03 2013