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What does this data set describe?

Title:
Geophysical data of field activity M-4-88-PH in Philippine Islands from 04/01/1988 to 04/15/1988
Abstract:
Chief Scientist: Steve Lewis. Geophysical data (bathymetry, gravity, magnetics, navigation) of field activity M-4-88-PH in Philippine Islands from 04/01/1988 to 04/15/1988, <http://walrus.wr.usgs.gov/infobank/m/m488ph/html/m-4-88-ph.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry data directory exists
gravity data directory exists
magnetics data directory exists
navigation data directory exists
Notes -
SeaMARC II side-scan, USGS/Cornell University, UNOLS/HIG/NGDC
Publications -
Sarewitz, D.R., and Lewis, S.D., 1991, The Marinduque intra-arc basin,
Philippines: Basin genesis and in situ ophiolite development in a strike-slip
setting, Geological Society of america Bulletin, v. 103, #5, pp. 597-614, on line at:
<A HREF ="<http://www.gsajournals.org/perlserv/?request=get-pdf&file=i0016-7606-103-5-597.pdf>" target ="GSA"><http://www.gsajournals.org/perlserv/?request=get-pdf&file=i0016-7606-103-5-597.pdf>

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 M-4-88-PH in Philippine Islands from 04/01/1988 to 04/15/1988: 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: 120.48869
    East_Bounding_Coordinate: 126.50676
    North_Bounding_Coordinate: 14.56948
    South_Bounding_Coordinate: 11.59010

  3. What does it look like?

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

    Beginning_Date: 01-Apr-1988
    Ending_Date: 15-Apr-1988
    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: Philippine Islands
      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?

    Steve Lewis (Chief Scientist, 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: 13-Oct-1998 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.051;1
    DUA0:[DATA.][M488PH.REF1.EXE;
    Integrated navigation (SINS) data
    was FILE1.DAT Final Navigation
    
    

    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/m/m488ph/grav/m-4-88-ph.161_051
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.161;1
    DUA0:[DATA.][M488PH.REF11.EXE;
    Free Air Anomaly data
    was FILE11.DAT Information file on gravity correction
    Remember that this corrected gravity was done assuming no problems.
    
    Input was...
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.051;1
    DUA0:[DATA.][M488PH.REF1.EXE;
    Integrated navigation (SINS) data
    was FILE1.DAT Final Navigation
    
    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 m-4-88-ph.221_051
    
    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/m/m488ph/mag/m-4-88-ph.220_051
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.220;1
    DUA0:[DATA.][M488PH.REF12.EXE;
    Edited magnetics data
    was FILE12.DAT Corrected Magnetics (IGRF 85)
    
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.051;1
    DUA0:[DATA.][M488PH.REF1.EXE;
    Integrated navigation (SINS) data
    was FILE1.DAT Final Navigation
    
    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/m/m488ph/bath/m-4-88-ph.320_051
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.320;1
    DUA0:[DATA.][M488PH.REF9.EXE;
    Edited bathymetry data with corrected depths
    was FILE9.DAT Corrected Bathymetry (Matthews Tables)
    area 41
    
    Input was...
    Converted to time format with year at start.
    
    12/09/88 CAROLYN DRS$DATA:[M488PH.M488PH.051;1
    DUA0:[DATA.][M488PH.REF1.EXE;
    Integrated navigation (SINS) data
    was FILE1.DAT Final Navigation
    
    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:

    Other_Citation_Details:
    Sarewitz, D.R., and Lewis, S.D., 1991, The Marinduque intra-arc basin, Philippines: Basin genesis and in situ ophiolite development in a strike-slip setting, Geological Society of america Bulletin, v. 103, #5, pp. 597-614, on line at: <A HREF ="<http://www.gsajournals.org/perlserv/?request=get-pdf&file=i0016-7606-103-5-597.pdf>" target ="GSA"><http://www.gsajournals.org/perlserv/?request=get-pdf&file=i0016-7606-103-5-597.pdf>



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 (m-4-88-ph.051 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198804010105000    198804010126000
    198804010234000    198804150851000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (m-4-88-ph.161_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198804010117000    198804010122000
    198804010231000    198804061235000
    198804061241000    198804070027000
    198804070034000    198804110632000
    198804110642000    198804130948000
    198804130954000    198804150849000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (m-4-88-ph.221_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198804010528000    198804012227000
    198804020025000    198804031952000
    198804032000000    198804040145000
    198804040409000    198804040443000
    198804040519000    198804051219000
    198804051340000    198804060215000
    198804060314000    198804060637000
    198804060724000    198804060909000
    198804061000000    198804061237000
    198804061243000    198804070004000
    198804070921000    198804091954000
    198804100259000    198804100345000
    198804100517000    198804111955000
    198804112045000    198804112340000
    198804120123000    198804120245000
    198804120612000    198804121057000
    198804121532000    198804140613000
    198804140755000    198804150851000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (m-4-88-ph.320_051)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198804010235310    198804011003500
    198804011032510    198804011601120
    198804011606520    198804020329250
    198804020334410    198804021915460
    198804021922310    198804021922310
    198804021928000    198804021928000
    198804021934200    198804021934200
    198804021939280    198804030356230
    198804030401410    198804030909550
    198804030916060    198804031417060
    198804031424530    198804040443020
    198804040448070    198804041449310
    198804041456070    198804041945100
    198804041951180    198804042142290
    198804042154060    198804042232590
    198804042238080    198804050028330
    198804050036030    198804050330020
    198804050336340    198804051609210
    198804051614420    198804052353120
    198804052359330    198804060004060
    198804060009210    198804060009210
    198804060015210    198804060032420
    198804060038160    198804060038160
    198804060043280    198804060221020
    198804060226360    198804060312380
    198804060317480    198804060330480
    198804060335500    198804060335500
    198804060341410    198804060346400
    198804060351550    198804061356280
    198804061401560    198804061419220
    198804061424540    198804061434240
    198804061439430    198804061439430
    198804061446030    198804061446030
    198804061451050    198804061504000
    198804061509070    198804061653090
    198804061700230    198804070237450
    198804070247400    198804070707080
    198804070712200    198804070857330
    198804070903130    198804080811120
    198804080817420    198804090009010
    198804090016300    198804090300390
    198804090306170    198804090713450
    198804090718460    198804100902540
    198804100908520    198804100908520
    198804100914010    198804101637010
    198804101642090    198804101642090
    198804101647230    198804101702410
    198804101710110    198804101737170
    198804101742250    198804101801440
    198804101807020    198804101832550
    198804101838050    198804101838050
    198804101843130    198804110121120
    198804110135110    198804111732350
    198804111737540    198804120144410
    198804120155030    198804120228160
    198804120238240    198804120304210
    198804120309550    198804120401200
    198804120415360    198804120522220
    198804120536320    198804120554250
    198804120559470    198804120713020
    198804120726080    198804121352020
    198804121533340    198804121646080
    198804121652460    198804121652460
    198804121701440    198804121912380
    198804121920220    198804122026090
    198804122031510    198804122031510
    198804122040340    198804122247580
    198804122254300    198804130444450
    198804130458430    198804130631570
    198804130637170    198804130844090
    198804130851340    198804131209160
    198804131214310    198804131424070
    198804131431420    198804131643480
    198804131649070    198804131733460
    198804131739050    198804132024540
    198804132030160    198804132033060
    198804132038360    198804140320520
    198804140328150    198804140411260
    198804140417250    198804140417250
    198804140426350    198804140445100
    198804140457490    198804140501540
    198804140508500    198804140613490
    198804140620060    198804140620060
    198804140628040    198804140634550
    198804140640210    198804140644440
    198804140650270    198804140650270
    198804140655500    198804140655500
    198804140701130    198804140701130
    198804140709460    198804140709460
    198804140721570    198804140721570
    198804140733030    198804140733030
    198804140738510    198804140738510
    198804140744250    198804140805160
    198804140816300    198804140824180
    198804140833240    198804140950090
    198804140955280    198804140955280
    198804141002180    198804141004240
    198804141010160    198804141045020
    198804141051100    198804141115180
    198804141121450    198804141121450
    198804141127130    198804141200350
    198804141206370    198804141330130
    198804141336320    198804141636340
    198804141644100    198804141644100
    198804141649300    198804141656190
    198804141701390    198804141734530
    198804141740440    198804141740440
    198804141746100    198804141801210
    198804141806280    198804141847400
    198804141853520    198804141853520
    198804141900320    198804141906540
    198804141911550    198804142020370
    198804142030550    198804142103500
    198804142109430    198804142352150
    198804142357330    198804150124230
    198804150129380    198804150132280
    198804150138550    198804150157220
    198804150203270    198804150220260
    198804150232560    198804150232560
    198804150239230    198804150307250
    198804150313280    198804150340450
    198804150348420    198804150409000
    198804150417080    198804150449500
    198804150459440    198804150512440
    198804150517560    198804150519260
    198804150528160    198804150638070
    198804150644120    198804150750320
    198804150755570    198804150848590
    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 M-4-88-PH data set <http://walrus.wr.usgs.gov/infobank/m/m488ph/html/m-4-88-ph.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: 0.7
Network links: <http://walrus.wr.usgs.gov/infobank/m/m488ph/html/m-4-88-ph.nav.html>

Data format: ASCII Size: 1.6
Network links: <http://walrus.wr.usgs.gov/infobank/m/m488ph/html/m-4-88-ph.grav.html>

Data format: ASCII Size: 1.0
Network links: <http://walrus.wr.usgs.gov/infobank/m/m488ph/html/m-4-88-ph.mag.html>

Data format: ASCII Size: 1.0
Network links: <http://walrus.wr.usgs.gov/infobank/m/m488ph/html/m-4-88-ph.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 13:08:36 2013