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What does this data set describe?

Title:
Data of field activity P-4-84-AT in Atlantic Ocean from 08/25/1984 to 09/11/1984
Abstract:
Chief Scientist: Jack Swenson. Data (12khz, gravity, meter32, meter41, integratednavigation, LoranC, transitsatellite) of field activity P-4-84-AT in Atlantic Ocean from 08/25/1984 to 09/11/1984, <http://walrus.wr.usgs.gov/infobank/p/p484at/html/p-4-84-at.meta.html>.
Supplemental_Information:

Equipment Used -
12khz
gravity
meter32
meter41
integratednavigation
LoranC
transitsatellite

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, Data of field activity P-4-84-AT in Atlantic Ocean from 08/25/1984 to 09/11/1984: 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: -70.71912
    East_Bounding_Coordinate: -67.08134
    North_Bounding_Coordinate: 44.36309
    South_Bounding_Coordinate: 40.86871

  3. What does it look like?

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

    Beginning_Date: 25-Aug-1984
    Ending_Date: 11-Sep-1984
    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: Atlantic Ocean
      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:
    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?

    Chris King (Watchstander); Jack Swenson (Chief Scientist); Jeff Abbey (Chief Mate); Jeff Stampfer (Mechanical Technician, USGS Western Region); John Winningham (Ship Captain); Larry Kooker (Electronics Technician, USGS Western Region); Steve Olsen (Chief Engineer, USGS Western Region)

  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: 22-Jan-1996 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    03/20/85 KAYE USR$DISK:[DRS.DATA.P4.N]NEW.073;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    
    

    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: 28-Oct-2008 (process 2 of 4)
    Gravity Data
    10/28/2008 carolyn p-4-84-at.160_073
    /infobank/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/14/85 BARB USR$DISK:[DRS.DATA.P4.G.M41]P484AT.161;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    Meter 41
    Land Ties: 2372302000  972287.4
               2552137000  972288.8
    
    Input was...
    Converted to time format with year at start.
    
    03/20/85 KAYE USR$DISK:[DRS.DATA.P4.N]NEW.073;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    
    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 p-4-84-at.220_073
    
    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/p/p484at/mag/p-4-84-at.200_073
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    09/13/85 CAROLYN DRS$DATA:[P484AT.M]P484AT.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    
    Converted to time format with year at start.
    
    03/20/85 KAYE USR$DISK:[DRS.DATA.P4.N]NEW.073;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    
    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/p/p484at/bath/p-4-84-at.301_073
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 BARB DUA0:[DATA.P283AT.G]P484AT.301;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    Input was...
    Converted to time format with year at start.
    
    03/20/85 KAYE USR$DISK:[DRS.DATA.P4.N]NEW.073;
    USR$DISK:[DRS.REFMT]REFORMAT.EXE;3
    
    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 (p-4-84-at.073)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198408250409070    198408261530030
    198408261535230    198408271800270
    198408271807070    198408292215330
    198408300006530    198408311759240
    198408311818090    198409012014280
    198409012307110    198409050053090
    198409050219200    198409051033030
    198409051044230    198409060748460
    198409060819200    198409062031430
    198409062111300    198409071739540
    198409071900030    198409111936350
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (p-4-84-at.160_073)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198408250538000    198408252325200
    198408252350000    198408260159400
    198408260309000    198408260509400
    198408260836400    198408270014200
    198408270143000    198408271501000
    198408271521400    198408271629400
    198408271803000    198408280919400
    198408281048400    198408282305400
    198408290352000    198408290559400
    198408290710000    198408291959400
    198408300800000    198408301929400
    198408302100000    198408310239400
    198408310340000    198408310749400
    198408311000000    198408311359400
    198408312033000    198409010029400
    198409010200000    198409010519400
    198409020710000    198409021006400
    198409021200000    198409021808400
    198409021829000    198409021944400
    198409030206000    198409030514400
    198409031730000    198409032029400
    198409040150000    198409040549400
    198409040729000    198409042044400
    198409050335000    198409051653400
    198409052100000    198409060649400
    198409061050000    198409071159400
    198409071240000    198409071539400
    198409072110000    198409081759400
    198409100330000    198409101029400
    198409101655000    198409110059400
    198409110200000    198409111514400
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (p-4-84-at.220_073)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198408252201296    198408252221104
    198408252235457    198408252249525
    198408252258312    198408261255152
    198408280037437    198408281528000
    198408281538138    198408282227222
    198408282232288    198408291957306
    198408292009208    198408292011013
    198408292035493    198408292214318
    198408300005573    198408300544208
    198408300917592    198408310014470
    198408310019537    198408311800010
    198408311817150    198409010039363
    198409042210403    198409050052114
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (p-4-84-at.301_073)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198408250409174    198408261530163
    198408261535203    198408292215232
    198408300006109    198408311800469
    198408311817433    198409012014386
    198409012307021    198409041221034
    198409041232577    198409050053194
    198409050114183    198409050114183
    198409050124073    198409050124073
    198409050219277    198409060754251
    198409060819028    198409062048513
    198409062111170    198409071739423
    198409071859369    198409111936175
    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 P-4-84-AT data set <http://walrus.wr.usgs.gov/infobank/p/p484at/html/p-4-84-at.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: 5.0
Network links: <http://walrus.wr.usgs.gov/infobank/p/p484at/html/p-4-84-at.nav.html>

Data format: ASCII Size: 3.9
Network links: <http://walrus.wr.usgs.gov/infobank/p/p484at/html/p-4-84-at.grav.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/p/p484at/html/p-4-84-at.mag.html>

Data format: ASCII Size: 4.1
Network links: <http://walrus.wr.usgs.gov/infobank/p/p484at/html/p-4-84-at.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 14:50:33 2013