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What does this data set describe?

Title:
Geophysical data of field activity V-1-77-SP in Southern Pacific from 03/03/1977 to 03/16/1977
Abstract:
Geophysical data (bathymetry, gravity, magnetics) of field activity V-1-77-SP in Southern Pacific from 03/03/1977 to 03/16/1977, <http://walrus.wr.usgs.gov/infobank/v/v177sp/html/v-1-77-sp.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry
gravity
magnetics magnetometer

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/>, 20131030, Geophysical data of field activity V-1-77-SP in Southern Pacific from 03/03/1977 to 03/16/1977: 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: 150.00340
    East_Bounding_Coordinate: 166.09171
    North_Bounding_Coordinate: 16.96170
    South_Bounding_Coordinate: 0.00460

  3. What does it look like?

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

    Beginning_Date: 03-Mar-1977
    Ending_Date: 16-Mar-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: Southern 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?

  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: 15-Dec-1995 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    

    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/v177sp/grav/v-1-77-sp.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    02/20/86 BARB DUA0:[DATA.<CRUISE_ID>.G]<CRUISE_ID>.160;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    extracted from data acquired from NGDC
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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-1-77-sp.220_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/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/v/v177sp/mag/v-1-77-sp.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    03/03/86 CAROLYN DRS$DATA:[<cruise_id>.M]<cruise_id>.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    extracted by Clint from data acquired from NGDC
    
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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/v177sp/bath/v-1-77-sp.325_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 BECKIE DRS$DATA:[<cruise_id>.B]<cruise_id>.325;
    DRB0:[DRS.NGDC]UNREFNGDC.EXE;5
    NGDC files sometimes have only 2_way_travel_time in
    which case the format is the same but without corr_depth.
    This file was extracted by C. Steele from data acquired from NGDC.
    
    Input was...
    Converted to time format with year at start.
    
    03/03/86 KAYE DUA0:[DATA.<cruise_id>.N]<cruise_id>.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
     Extracted from data acquired from NGDC.
    
    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-1-77-sp.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197703030906000    197703131728000
    197703131756000    197703141842000
    197703142036000    197703142036000
    197703142220000    197703151211000
    197703151504000    197703151707000
    197703151739000    197703151739000
    197703151924000    197703151924000
    197703152016000    197703152016000
    197703152128000    197703152128000
    197703152200000    197703152200000
    197703152226000    197703161000000
    197703161026000    197703161026000
    197703161231000    197703161241000
    197703161412000    197703161924000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (v-1-77-sp.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197703030910000    197703031000000
    197703031100000    197703031200000
    197703031330000    197703031750000
    197703031830000    197703032300000
    197703032340000    197703040710000
    197703040750000    197703041010000
    197703041100000    197703041400000
    197703041900000    197703051530000
    197703051920000    197703052350000
    197703060030000    197703060220000
    197703060300000    197703060330000
    197703060600000    197703060740000
    197703060810000    197703060840000
    197703060930000    197703061100000
    197703061130000    197703061150000
    197703061220000    197703061240000
    197703061310000    197703061340000
    197703061410000    197703061510000
    197703061600000    197703061640000
    197703070520000    197703070630000
    197703070710000    197703070740000
    197703071450000    197703071550000
    197703071630000    197703071750000
    197703071820000    197703071950000
    197703080140000    197703080510000
    197703080530000    197703080630000
    197703080710000    197703080840000
    197703081000000    197703081240000
    197703081600000    197703081800000
    197703090000000    197703090340000
    197703090410000    197703090420000
    197703090510000    197703090845000
    197703090940000    197703091000000
    197703091620000    197703091735000
    197703100100000    197703100300000
    197703100430000    197703100930000
    197703100950000    197703101000000
    197703101020000    197703101030000
    197703101130000    197703101150000
    197703101910000    197703102100000
    197703110310000    197703110410000
    197703110450000    197703111600000
    197703111620000    197703111630000
    197703112110000    197703112140000
    197703112200000    197703112240000
    197703120040000    197703120100000
    197703120120000    197703120320000
    197703120340000    197703120450000
    197703120540000    197703120600000
    197703120640000    197703121140000
    197703121240000    197703121320000
    197703121340000    197703121440000
    197703121500000    197703121510000
    197703121900000    197703121950000
    197703122110000    197703122330000
    197703122350000    197703130010000
    197703130030000    197703130330000
    197703130410000    197703130450000
    197703130530000    197703130700000
    197703130750000    197703130900000
    197703131000000    197703131200000
    197703131212000    197703131212000
    197703132030000    197703132110000
    197703132130000    197703132200000
    197703132220000    197703140000000
    197703140020000    197703140040000
    197703140110000    197703140300000
    197703140330000    197703140610000
    197703140630000    197703140650000
    197703140730000    197703140730000
    197703140910000    197703140940000
    197703141000000    197703141010000
    197703141120000    197703141130000
    197703141210000    197703141230000
    197703141300000    197703141420000
    197703141440000    197703141520000
    197703141610000    197703141620000
    197703141710000    197703141750000
    197703150150000    197703150220000
    197703150240000    197703150250000
    197703150310000    197703150430000
    197703150500000    197703150505000
    197703150520000    197703150630000
    197703150730000    197703151000000
    197703160010000    197703160300000
    197703160320000    197703160730000
    197703160750000    197703160800000
    197703160820000    197703160820000
    197703161610000    197703161620000
    197703161700000    197703161920000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (v-1-77-sp.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197703030906000    197703031218000
    197703031230000    197703041406000
    197703041900000    197703050000000
    197703050012000    197703051530000
    197703051900000    197703061830000
    197703070224000    197703070830000
    197703071030000    197703071930000
    197703080006000    197703080948000
    197703081000000    197703081024000
    197703081054000    197703081306000
    197703081524000    197703081900000
    197703082136000    197703090106000
    197703090118000    197703091000000
    197703091454000    197703091900000
    197703092300000    197703101224000
    197703101236000    197703101242000
    197703101254000    197703101306000
    197703101712000    197703102212000
    197703110142000    197703111642000
    197703112012000    197703112236000
    197703112248000    197703120918000
    197703120930000    197703121520000
    197703121806000    197703130942000
    197703131000000    197703131209000
    197703131800000    197703141800000
    197703142300000    197703150642000
    197703150700000    197703151142000
    197703151536000    197703151630000
    197703152306000    197703160924000
    197703161418000    197703161924000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (v-1-77-sp.325_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197703030906000    197703041418000
    197703041842000    197703051548000
    197703051900000    197703061900000
    197703070206000    197703070842000
    197703071018000    197703071948000
    197703080006000    197703081324000
    197703081524000    197703081900000
    197703082134000    197703091024000
    197703091436000    197703091900000
    197703092300000    197703101324000
    197703101706000    197703102218000
    197703110018000    197703110024000
    197703110130000    197703111736000
    197703112000000    197703112000000
    197703112012000    197703121530000
    197703121542000    197703121542000
    197703121800000    197703122306000
    197703122318000    197703131242000
    197703131800000    197703141812000
    197703141824000    197703141824000
    197703141836000    197703141836000
    197703142300000    197703142354000
    197703150006000    197703151200000
    197703151524000    197703151707000
    197703152300000    197703160954000
    197703161412000    197703161924000
    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-1-77-SP data set <http://walrus.wr.usgs.gov/infobank/v/v177sp/html/v-1-77-sp.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/v/v177sp/html/v-1-77-sp.nav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/v/v177sp/html/v-1-77-sp.grav.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/v/v177sp/html/v-1-77-sp.mag.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/v/v177sp/html/v-1-77-sp.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 30-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 Wed Oct 30 08:11:15 2013