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What does this data set describe?

Title:
Geophysical data of field activity I-5-77-NP in Northern Pacific from 05/26/1977 to 06/16/1977
Abstract:
Geophysical data (magnetics, bathymetry) of field activity I-5-77-NP in Northern Pacific from 05/26/1977 to 06/16/1977, <http://walrus.wr.usgs.gov/infobank/i/i577np/html/i-5-77-np.meta.html>.
Supplemental_Information:

Equipment Used -
magnetics magnetometer
bathymetry
Notes -
University of Texas

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 I-5-77-NP in Northern Pacific from 05/26/1977 to 06/16/1977: 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: -99.83270
    East_Bounding_Coordinate: -89.83990
    North_Bounding_Coordinate: 16.72420
    South_Bounding_Coordinate: 12.08050

  3. What does it look like?

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

    Beginning_Date: 26-May-1977
    Ending_Date: 16-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: Northern 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:
    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: 05-Dec-1995 (process 1 of 3)
    Navigation Data
    Converted to time format with year at start.
    
    05/01/86 CLINT DUA0:[DATA.IDAGREEN]I577NP.050;
    DUA0:[DATA.IDAGREEN]TEMP.EXE;
    
    

    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 2 of 3)
    Magnetics Data
    06/20/2012 carolyn i-5-77-np.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/i/i577np/mag/i-5-77-np.200_050
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    05/01/86 CLINT DUA0:[DATA.IDAGREEN]I577NP.200;
    DUA0:[DATA.IDAGREEN]TEMP.EXE;
    
    Converted to time format with year at start.
    
    05/01/86 CLINT DUA0:[DATA.IDAGREEN]I577NP.050;
    DUA0:[DATA.IDAGREEN]TEMP.EXE;
    
    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/i/i577np/bath/i-5-77-np.300_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    05/01/86 CLINT DUA0:[DATA.IDAGREEN]I577NP.300;
    DUA0:[DATA.IDAGREEN]TEMP.EXE;
    
    Input was...
    Converted to time format with year at start.
    
    05/01/86 CLINT DUA0:[DATA.IDAGREEN]I577NP.050;
    DUA0:[DATA.IDAGREEN]TEMP.EXE;
    
    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 (i-5-77-np.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705261018000    197705261018000
    197705261051000    197705261051000
    197705261130000    197705262335000
    197705262345000    197705292130000
    197705292145000    197705292150000
    197705292157000    197705300125000
    197705300145000    197705301910000
    197705301920000    197705301930000
    197705301940000    197705301950000
    197705302000000    197705311708000
    197705311715000    197705312035000
    197705312050000    197705312145000
    197705312155000    197705312200000
    197705312206000    197706010100000
    197706010155000    197706012030000
    197706012100000    197706012125000
    197706012140000    197706021608000
    197706021625000    197706021650000
    197706021700000    197706031050000
    197706031100000    197706031750000
    197706031814000    197706031814000
    197706031950000    197706031950000
    197706040442000    197706040442000
    197706040600000    197706040600000
    197706040630000    197706040630000
    197706040732000    197706041540000
    197706041550000    197706080255000
    197706080305000    197706100010000
    197706100025000    197706100025000
    197706100040000    197706121345000
    197706121355000    197706122315000
    197706122330000    197706122335000
    197706122345000    197706131530000
    197706131540000    197706131945000
    197706131955000    197706132000000
    197706132010000    197706132100000
    197706132109000    197706132109000
    197706132122000    197706132200000
    197706132206000    197706141255000
    197706141317000    197706141317000
    197706141326000    197706141326000
    197706141342000    197706141342000
    197706141400000    197706141650000
    197706141700000    197706142140000
    197706142150000    197706151350000
    197706151400000    197706160946000
    197706161020000    197706161020000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (i-5-77-np.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705261240000    197705261531000
    197705270230000    197705270545000
    197705270555000    197705271615000
    197705280235000    197705280710000
    197705280720000    197705281935000
    197705290100000    197705290615000
    197705290630000    197705291250000
    197705300150000    197705300345000
    197705300405000    197705301400000
    197705301425000    197705301435000
    197705310040000    197705310300000
    197705310308000    197705310830000
    197705310836000    197705310955000
    197705311030000    197705311150000
    197706010200000    197706010410000
    197706010630000    197706010720000
    197706010728000    197706010830000
    197706010840000    197706011250000
    197706020125000    197706021215000
    197706021240000    197706021310000
    197706021740000    197706021805000
    197706030130000    197706031000000
    197706041900000    197706051640000
    197706051648000    197706060012000
    197706060020000    197706060305000
    197706060315000    197706060435000
    197706060445000    197706060600000
    197706060915000    197706061040000
    197706061330000    197706061340000
    197706061355000    197706070235000
    197706070300000    197706071135000
    197706071145000    197706071455000
    197706071505000    197706072130000
    197706072145000    197706080255000
    197706080305000    197706092355000
    197706100240000    197706100630000
    197706100645000    197706100650000
    197706100700000    197706110420000
    197706110430000    197706121340000
    197706130000000    197706130315000
    197706130325000    197706131230000
    197706140130000    197706141245000
    197706150045000    197706151230000
    197706152230000    197706160945000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (i-5-77-np.300_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197705261130000    197705262335000
    197705262345000    197705271535000
    197705271545000    197705280300000
    197705280320000    197705280340000
    197705280350000    197705280350000
    197705280440000    197705280515000
    197705280530000    197705290100000
    197705290110000    197705292130000
    197705292145000    197705292145000
    197705292200000    197705300125000
    197705300145000    197705300600000
    197705300610000    197705300640000
    197705300700000    197705301040000
    197705301105000    197705301130000
    197705301235000    197705301305000
    197705301330000    197705301910000
    197705301920000    197705301930000
    197705301940000    197705301950000
    197705302000000    197705311705000
    197705311715000    197705312035000
    197705312050000    197705312145000
    197705312155000    197705312200000
    197705312208000    197706010100000
    197706010155000    197706010732000
    197706010740000    197706010900000
    197706010910000    197706010940000
    197706010950000    197706012030000
    197706012100000    197706012125000
    197706012140000    197706020720000
    197706020730000    197706020835000
    197706020900000    197706020905000
    197706020915000    197706021300000
    197706021315000    197706021605000
    197706021625000    197706021650000
    197706021700000    197706031050000
    197706031100000    197706031750000
    197706040735000    197706041540000
    197706041550000    197706050955000
    197706051005000    197706060455000
    197706060530000    197706060550000
    197706060600000    197706070220000
    197706070230000    197706071805000
    197706071813000    197706080235000
    197706080330000    197706080330000
    197706080345000    197706081540000
    197706081550000    197706081855000
    197706081910000    197706090340000
    197706090400000    197706090405000
    197706090420000    197706090445000
    197706090455000    197706091055000
    197706091115000    197706091840000
    197706091850000    197706100010000
    197706100025000    197706100025000
    197706100040000    197706100310000
    197706100330000    197706100545000
    197706100555000    197706102310000
    197706102320000    197706102340000
    197706102350000    197706110050000
    197706110125000    197706110135000
    197706110155000    197706110630000
    197706110645000    197706111940000
    197706111955000    197706112145000
    197706112155000    197706112210000
    197706112225000    197706112335000
    197706120035000    197706120435000
    197706120445000    197706120545000
    197706120600000    197706120600000
    197706120610000    197706121105000
    197706121115000    197706121140000
    197706121155000    197706121345000
    197706121355000    197706122315000
    197706122330000    197706122335000
    197706122345000    197706130015000
    197706130035000    197706130050000
    197706130115000    197706130810000
    197706130820000    197706130900000
    197706130915000    197706131530000
    197706131540000    197706131945000
    197706131955000    197706132000000
    197706132010000    197706132100000
    197706132125000    197706132200000
    197706132210000    197706140200000
    197706140210000    197706141035000
    197706141100000    197706141255000
    197706141400000    197706141650000
    197706141700000    197706142140000
    197706142150000    197706150245000
    197706150300000    197706151350000
    197706151400000    197706160945000
    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 I-5-77-NP data set <http://walrus.wr.usgs.gov/infobank/i/i577np/html/i-5-77-np.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: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/i/i577np/html/i-5-77-np.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/i/i577np/html/i-5-77-np.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/i/i577np/html/i-5-77-np.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 12:20:42 2013