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What does this data set describe?

Title:
Geophysical data of field activity K-1-93-HW in Oahu from 02/20/1993 to 02/26/1993
Abstract:
Chief Scientist: Mike Torresan. Geophysical data (sidescansonar, SIS1000) of field activity K-1-93-HW in Oahu from 02/20/1993 to 02/26/1993, <http://walrus.wr.usgs.gov/infobank/k/k193hw/html/k-1-93-hw.meta.html>.
Supplemental_Information:

Equipment Used -
sidescansonar
SIS1000 CHIRP high-resolution
Notes -
Associated activities:
<br>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/k/k193hw/html/k-1-93-hw.meta.html>">K-1-93-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/k/k293hw/html/k-2-93-hw.meta.html>">K-2-93-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/k/k194hw/html/k-1-94-hw.meta.html>">K-1-94-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/k/k294hw/html/k-2-94-hw.meta.html>">K-2-94-HW</A>
Publications -
Torresan, Michael E., Hampton, M.A., Barber, J., Field, M.E., Dartnell, P., and
Gowen, M.H., 1993, High resolution acoustic mapping of dredge spoil deposits and disposal
sites in Mamala Bay, Honolulu, Hawaii: Geological Society of America Abstracts with
Programs, v. 25, no. 6, p. 288.<BR>
<HR>
Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, J., and Dartnell, P., 1993,
Acoustic mapping of dredge spoil deposits and disposal sites, in Mamala Bay, Oahu:
American Geophysical Union Eos, Transactions, v. 74, no. 43, Supplement, p. 343.<BR>
<HR>
Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, J.H., Jr., Zink, L.L.,
Chase, T.E., Wong, F.L., Gann, J.T., and Dartnell, Peter, 1995, Final report;
acoustic mapping of dredged material disposal sites and deposits in Mamala
Bay, Honolulu, Hawaii: U.S. Geological Survey Open-File Report 95-0017, 53 p.,
1 sheet: URL: <A HREF="<http://pubs.usgs.gov/of/1995/of95-017/>" target="OF"><http://pubs.usgs.gov/of/1995/of95-017/>
<HR>
Hampton, M.A., Torresan, M.E., Barber, J.H., Jr., Wong, F.L., Chezar, H., Gowen, M.H.,
and Chase, T.E., 1995, Multimedia survey of the Mamala Bay sea floor, Hawaii: Geological
Society of America Abstracts with Programs, v. 27, no. 6, p. 201.<BR>
<HR>

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 K-1-93-HW in Oahu from 02/20/1993 to 02/26/1993: 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: -158.10794
    East_Bounding_Coordinate: -157.76445
    North_Bounding_Coordinate: 21.31617
    South_Bounding_Coordinate: 21.19635

  3. What does it look like?

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

    Beginning_Date: 20-Feb-1993
    Ending_Date: 26-Feb-1993
    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: Oahu
      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 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.

      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:
    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?

    Mike Torresan (Chief Scientist, USGS Western Region); Monty Hampton (Unspecified, USGS Western Region); Bruce Richmond (Unspecified, USGS Western Region); John Gann (Unspecified, USGS Western Region); John B___? (Unspecified)

  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: 31-Oct-2000 (process 1 of 2)
    Navigation Data
    Converted to time format with year at start.
    
    03/25/93 CAROLYN PMG$PROC:[K193HW.NAV]K193HW.052;1
    ISDMNL$DUA1:[PROGRAMS.FILT]FILTER.EXE;
    Integrated navigation (SINS) data
    Ran 3 minute low-pass filter on on latitudes and longitudes
    of fixes interpolated to a regular 20 seconds interval.
    
    Input was...
    03/25/93 CAROLYN PMG$PROC:[K193HW.NAV]K193HW.051;1
    Integrated navigation (SINS) data
    
    03/02/93 CAROLYN PMG$PROC:[K193HW.NAV]K193HW.050;1
    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 2)
    Bathymetry Data
    10/31/1998  /tiger/k/k193hw/bath/k-1-93-hw.304_052
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/13/94 CLINT ISDMNL$DUA12:[PROCESSING.K193HW.BATHY]K193HW.304;2
    Raw depth (bathymetry) data
    Manually edited with John Barber.
    
    08/19/94 CLINT ISDMNL$DUA12:[PROCESSING.K193HW.BATHY]K193HW.303;2
    ISDMNL$DUA12:[PROGRAMS.BAT]NOSAMEBATHY.EXE;
    Raw depth (bathymetry) data
    Removed 2837 records when depth did not change
    by 0.1 meter for 3 or more consecutive records.
    
    08/19/94 CLINT ISDMNL$DUA12:[PROCESSING.K193HW.BATHY]K193HW.302;3
    ISDMNL$DUA12:[PROGRAMS.BAT]CHECKBATHYFMT.EXE;
    Raw depth (bathymetry) data
    Checked for formatting problems - none detected.
    Needs to be graphed-ed to remove constant depths and spikes.
    
    08/17/94 CLINT ISDMNL$DUA12:[PROCESSING.K193HW.BATHY]K193HW.301;2
    ISDMNL$DUA12:[PROGRAMS.BAT]NOZEROBATHY.EXE;
    Raw depth (bathymetry) data
    Removed 1188 0.0 bathy depths; retained 47148 non-0.0 depths.
    
    08/17/94 CLINT ISDMNL$DUA12:[PROCESSING.K193HW.BATHY]K193HW.300;2
    ISDMNL$DUA12:[PROGRAMS.REFMT]REFORMAT.EXE;
    Raw depth (bathymetry) data
    Extracted from k193hw.052 by Clint Steele, 8/17/94.
    Needs 0.0 depths removed.
    Needs to be graphed-ed to remove constant depths and spikes.
    Blank values were "*"ed as questionable in original data.
    
    Input was...
    Converted to time format with year at start.
    
    03/25/93 CAROLYN PMG$PROC:[K193HW.NAV]K193HW.052;1
    ISDMNL$DUA1:[PROGRAMS.FILT]FILTER.EXE;
    Integrated navigation (SINS) data
    Ran 3 minute low-pass filter on on latitudes and longitudes
    of fixes interpolated to a regular 20 seconds interval.
    
    03/25/93 CAROLYN PMG$PROC:[K193HW.NAV]K193HW.051;1
    Integrated navigation (SINS) data
    
    03/02/93 CAROLYN PMG$PROC:[K193HW.NAV]K193HW.050;1
    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:

    Other_Citation_Details:
    Torresan, Michael E., Hampton, M.A., Barber, J., Field, M.E., Dartnell, P., and Gowen, M.H., 1993, High resolution acoustic mapping of dredge spoil deposits and disposal sites in Mamala Bay, Honolulu, Hawaii: Geological Society of America Abstracts with Programs, v. 25, no. 6, p. 288. Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, J., and Dartnell, P., 1993, Acoustic mapping of dredge spoil deposits and disposal sites, in Mamala Bay, Oahu: American Geophysical Union Eos, Transactions, v. 74, no. 43, Supplement, p. 343. Torresan, M.E., Hampton, M.A., Gowen, M.H., Barber, J.H., Jr., Zink, L.L., Chase, T.E., Wong, F.L., Gann, J.T., and Dartnell, Peter, 1995, Final report; acoustic mapping of dredged material disposal sites and deposits in Mamala Bay, Honolulu, Hawaii: U.S. Geological Survey Open-File Report 95-0017, 53 p., 1 sheet: URL: <A HREF="<http://pubs.usgs.gov/of/1995/of95-017/>" target="OF"><http://pubs.usgs.gov/of/1995/of95-017/> Hampton, M.A., Torresan, M.E., Barber, J.H., Jr., Wong, F.L., Chezar, H., Gowen, M.H., and Chase, T.E., 1995, Multimedia survey of the Mamala Bay sea floor, Hawaii: Geological Society of America Abstracts with Programs, v. 27, no. 6, p. 201.



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 (k-1-93-hw.052 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199302201858010    199302201923510
    199302201947090    199302202043080
    199302202049020    199302220007590
    199302220013400    199302241439390
    199302241511010    199302241513530
    199302241553480    199302241607210
    199302241612470    199302241617540
    199302241957270    199302261035090
    199302261041420    199302261936160
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (k-1-93-hw.304_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199302202029190    199302202039090
    199302202049120    199302202110520
    199302202127540    199302220007590
    199302220013500    199302220808190
    199302220845190    199302230507120
    199302230546300    199302230548480
    199302230949050    199302241340190
    199302241412290    199302241439390
    199302241957370    199302242309170
    199302242316070    199302252109010
    199302252127510    199302261035090
    199302261042100    199302261936160
    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 K-1-93-HW data set <http://walrus.wr.usgs.gov/infobank/k/k193hw/html/k-1-93-hw.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: 4.0
Network links: <http://walrus.wr.usgs.gov/infobank/k/k193hw/html/k-1-93-hw.nav.html>

Data format: ASCII Size: 2.4
Network links: <http://walrus.wr.usgs.gov/infobank/k/k193hw/html/k-1-93-hw.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 12:41:41 2013