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What does this data set describe?

Title:
Geophysical data of field activity V-4-77-WP in Western Pacific from 05/28/1977 to 06/23/1977
Abstract:
Chief Scientist: W. Pitman. Geophysical data (transitsatellite, sextant, 3dot5khz, 12khz, magnetics, gravity, airgun, gravitycore, pistoncore) of field activity V-4-77-WP in Western Pacific from 05/28/1977 to 06/23/1977, <http://walrus.wr.usgs.gov/infobank/v/v477wp/html/v-4-77-wp.meta.html>.
Supplemental_Information:

Equipment Used -
transitsatellite
sextant
3dot5khz 3.5 khz wide beam bathymetry
12khz 12 khz wide beam bathymetry
magnetics l-DGO Mfg. Proton-Precession magnetometer
gravity Graf-Askania GSS-2-12 gravity
airgun l-DGO 25 cu. in. airgun
gravitycore
pistoncore

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/>, 20140504, Geophysical data of field activity V-4-77-WP in Western Pacific from 05/28/1977 to 06/23/1977: 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: 112.87710
    East_Bounding_Coordinate: 129.10330
    North_Bounding_Coordinate: 19.72650
    South_Bounding_Coordinate: -11.04680

  3. What does it look like?

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

    Beginning_Date: 28-May-1977
    Ending_Date: 23-Jun-1977
    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 Pacific
      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?

    W. Pitman (Chief Scientist)

  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: 30-Jan-1998 (process 1 of 4)
    Navigation Data
    01/30/1998 clint v-4-77-wp.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    

    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/v/v477wp/grav/v-4-77-wp.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-4-77-wp.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint v-4-77-wp.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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 v-4-77-wp.221_050
    
    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/magred1111/magred1111.for
    Using geodetic coordinate system (Earth shape approximated by spheriod)
    with altitude 0.0 km (for sea level).
    
    Input was...
    10/31/1998  /tiger/v/v477wp/mag/v-4-77-wp.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint v-4-77-wp.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint v-4-77-wp.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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/v/v477wp/bath/v-4-77-wp.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-4-77-wp.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint v-4-77-wp.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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 (v-4-77-wp.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705280130000    197705300930000
    197705300941000    197705300941000
    197705301127000    197706010955000
    197706011151000    197706011151000
    197706011205000    197706031015000
    197706031224000    197706060948000
    197706061006000    197706061006000
    197706061146000    197706061146000
    197706061157000    197706071042000
    197706071218000    197706082348000
    197706090148000    197706100400000
    197706100412000    197706100412000
    197706100524000    197706100524000
    197706100609000    197706110149000
    197706110250000    197706110250000
    197706110400000    197706160112000
    197706160123000    197706160123000
    197706160142000    197706160142000
    197706160224000    197706160224000
    197706160334000    197706160334000
    197706160348000    197706170204000
    197706170406000    197706170416000
    197706170434000    197706180053000
    197706180107000    197706180107000
    197706180140000    197706180140000
    197706180234000    197706180234000
    197706180328000    197706180328000
    197706180352000    197706180924000
    197706180951000    197706202356000
    197706210036000    197706210036000
    197706210057000    197706222244000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (v-4-77-wp.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705280240000    197705280710000
    197705280740000    197705281030000
    197705281042000    197705281900000
    197705281940000    197705290350000
    197705290600000    197705290800000
    197705310310000    197706010050000
    197706010120000    197706010130000
    197706010150000    197706010300000
    197706010340000    197706010950000
    197706011210000    197706012020000
    197706012050000    197706020020000
    197706020050000    197706020930000
    197706020950000    197706021310000
    197706021330000    197706021450000
    197706021520000    197706021630000
    197706021705000    197706021950000
    197706022050000    197706030950000
    197706031250000    197706031300000
    197706031330000    197706031720000
    197706031800000    197706041130000
    197706041200000    197706041730000
    197706041750000    197706051140000
    197706051200000    197706052100000
    197706052220000    197706060310000
    197706060330000    197706060330000
    197706060350000    197706060420000
    197706060435000    197706060940000
    197706061230000    197706061950000
    197706062030000    197706070920000
    197706071410000    197706071520000
    197706071540000    197706080000000
    197706080020000    197706080030000
    197706080050000    197706081000000
    197706081020000    197706081210000
    197706081240000    197706081750000
    197706081820000    197706082110000
    197706082130000    197706082140000
    197706082200000    197706082330000
    197706090210000    197706090420000
    197706090530000    197706091320000
    197706091340000    197706091810000
    197706091825000    197706091825000
    197706091850000    197706092100000
    197706092130000    197706092340000
    197706100030000    197706100400000
    197706100700000    197706100750000
    197706100810000    197706100840000
    197706100920000    197706101320000
    197706101340000    197706102210000
    197706102250000    197706110130000
    197706110430000    197706110820000
    197706110850000    197706111140000
    197706111250000    197706112250000
    197706120120000    197706120200000
    197706120300000    197706120350000
    197706120410000    197706120800000
    197706120820000    197706121150000
    197706121300000    197706122200000
    197706122220000    197706130040000
    197706130100000    197706130320000
    197706130350000    197706130500000
    197706130525000    197706130620000
    197706130650000    197706130720000
    197706130820000    197706131010000
    197706131030000    197706131200000
    197706131240000    197706131525000
    197706131600000    197706132100000
    197706132112000    197706140530000
    197706140550000    197706140710000
    197706140730000    197706141540000
    197706141610000    197706141810000
    197706141830000    197706150600000
    197706150630000    197706150900000
    197706150920000    197706151700000
    197706151730000    197706152000000
    197706152018000    197706152050000
    197706152120000    197706160100000
    197706160410000    197706160800000
    197706160820000    197706161720000
    197706161740000    197706162130000
    197706162200000    197706170140000
    197706170520000    197706171020000
    197706171040000    197706171340000
    197706171410000    197706171610000
    197706171630000    197706180050000
    197706180430000    197706180850000
    197706181030000    197706181550000
    197706181620000    197706190245000
    197706190330000    197706190510000
    197706190530000    197706190950000
    197706191020000    197706191150000
    197706191220000    197706191500000
    197706191520000    197706192230000
    197706192300000    197706200210000
    197706200230000    197706200410000
    197706200510000    197706200940000
    197706201010000    197706201330000
    197706201450000    197706201640000
    197706201700000    197706201900000
    197706201920000    197706201920000
    197706201940000    197706202340000
    197706210100000    197706211100000
    197706211120000    197706211600000
    197706211630000    197706220100000
    197706220150000    197706220810000
    197706220830000    197706221040000
    197706221100000    197706222240000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (v-4-77-wp.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705280206000    197705300924000
    197705301142000    197705312200000
    197705312218000    197705312248000
    197705312312000    197706010836000
    197706010848000    197706010936000
    197706011206000    197706031000000
    197706031242000    197706040118000
    197706040130000    197706040230000
    197706040248000    197706060942000
    197706061206000    197706071024000
    197706071042000    197706071042000
    197706071218000    197706082330000
    197706090206000    197706091930000
    197706092342000    197706100400000
    197706100618000    197706110136000
    197706110418000    197706122000000
    197706130054000    197706130718000
    197706130754000    197706130912000
    197706131012000    197706150548000
    197706150600000    197706150730000
    197706150800000    197706160100000
    197706160348000    197706170148000
    197706170442000    197706170548000
    197706170600000    197706180048000
    197706180400000    197706180912000
    197706181012000    197706181030000
    197706181106000    197706202336000
    197706210112000    197706220930000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (v-4-77-wp.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705280136000    197705300118000
    197705300130000    197705300930000
    197705301130000    197706010948000
    197706011206000    197706031012000
    197706031224000    197706060942000
    197706061206000    197706062248000
    197706062300000    197706071030000
    197706071236000    197706082342000
    197706090154000    197706100400000
    197706100624000    197706110148000
    197706110400000    197706160112000
    197706160348000    197706170200000
    197706170406000    197706170406000
    197706170442000    197706180048000
    197706180400000    197706180924000
    197706180954000    197706202354000
    197706210100000    197706222100000
    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 V-4-77-WP data set <http://walrus.wr.usgs.gov/infobank/v/v477wp/html/v-4-77-wp.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: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/v/v477wp/html/v-4-77-wp.nav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/v/v477wp/html/v-4-77-wp.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/v/v477wp/html/v-4-77-wp.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/v/v477wp/html/v-4-77-wp.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 04-May-2014
    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 Sun May 4 07:00:59 2014