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What does this data set describe?

Title:
Geological and Geophysical data of field activity K-1-94-HW in Mamala Bay, Offshore Honolulu, Oahu, Hawaii from 05/10/1994 to 05/16/1994
Abstract:
United States Army Corps of Engineers. Chief Scientists: Mike Torresan, Monty Hampton. Geological and Geophysical data (bathymetry, underwatertelevision, underwatercamera, 3dot5khz, GPS, YoNav) of field activity K-1-94-HW in Mamala Bay, Offshore Honolulu, Oahu, Hawaii from 05/10/1994 to 05/16/1994, <http://walrus.wr.usgs.gov/infobank/k/k194hw/html/k-1-94-hw.meta.html>.
Supplemental_Information:

Equipment Used -
bathymetry Raytheon DSF-6000 12 khz fathometer
underwatertelevision real-time video mounted on USGS camera sled
underwatercamera still photography mounted on USGS camera sled
3dot5khz 3.5 khz high-resolution subbottom profiler
GPS differential GPS
YoNav USGS YoNav navigation system
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>
<HR>
Navigation and digital bathymetry are in USGS data base.
Publications -
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>
Torresan, M.E., Barber, J.H., Jr., Hampton, M.A., Dartnell, Peter, Chezar, Henry, McLaughlin,
M.W., Gowen, M.H., Zink, L.L., and Dadey, K.A., 1994, Ground truthing high-backscatter dredged
material deposits in Mamala Bay, Honolulu, Hawaii: American Geophysical Union Eos, Transactions,
v. 75, no. 44, Supplement, p. 319.<BR>
<HR>
Torresan, Michael, 1995, Final report: acoustic mapping of dredged material disposal
sites and deposits in Mamala Bay, Honolulu, Hawaii: U.S. Geological Survey Open-File
Report 95-17, 53 p.:<BR>
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of95-17/>"><http://geopubs.wr.usgs.gov/open-file/of95-17/><BR>

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, Geological and Geophysical data of field activity K-1-94-HW in Mamala Bay, Offshore Honolulu, Oahu, Hawaii from 05/10/1994 to 05/16/1994: 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: -158.02194
    East_Bounding_Coordinate: -157.79750
    North_Bounding_Coordinate: 21.31590
    South_Bounding_Coordinate: 21.17743

  3. What does it look like?

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

    Beginning_Date: 10-May-1994
    Ending_Date: 16-May-1994
    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: Mamala Bay, Offshore Honolulu, Oahu, Hawaii
      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 (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: 06-Dec-1995 (process 1 of 2)
    Navigation Data
    Converted to time format with year at start.
    
    07/11/94 CAROLYN PMG$PROC:[K194HW.NAV]K194HW.053;1
    Integrated navigation (SINS) data
    
    Input was...
    07/11/94 CAROLYN PMG$PROC:[K194HW.NAV]K194HW.052;2
    Integrated navigation (SINS) data
    
    05/31/94 CAROLYN PMG$PROC:[K194HW.NAV]K194HW.050;4
    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/k194hw/bath/k-1-94-hw.305_053
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/13/94 CLINT ISDMNL$DUA12:[PROCESSING.K194HW.BATHY]K194HW.305;2
    Raw depth (bathymetry) data
    Manually edited with John Barber.
    
    08/19/94 CLINT ISDMNL$DUA12:[PROCESSING.K194HW.BATHY]K194HW.304;2
    ISDMNL$DUA12:[PROGRAMS.BAT]NOSAMEBATHY.EXE;
    Raw depth (bathymetry) data
    Removed 2772 records when depth did not change
    by 0.1 meter for 3 or more consecutive records.
    
    08/19/94 CLINT ISDMNL$DUA12:[PROCESSING.K194HW.BATHY]K194HW.303;2
    Raw depth (bathymetry) data
    
    08/18/94 CLINT ISDMNL$DUA12:[PROCESSING.K194HW.BATHY]K194HW.302;1
    ISDMNL$DUA12:[PROGRAMS.BAT]CHECKBATHYFMT.EXE;
    Raw depth (bathymetry) data
    30 format problems detected and corrected in editor.
    Also deleted several records with depths of 9999.
    Needs 1st graphed-ing -- especially looking
    for major spikes and constant values.
    Needs 2nd checking for goodness of "*" flags.
    Needs 3rd graphed-ing -- ?
    
    08/17/94 CLINT ISDMNL$DUA12:[PROCESSING.K194HW.BATHY]K194HW.301;2
    ISDMNL$DUA12:[PROGRAMS.BAT]NOZEROBATHY.EXE;
    Raw depth (bathymetry) data
    Removed 760 records containing 0.0 as a depth.
    Retained 53441 records with non-zero depths.
    
    08/17/94 CLINT ISDMNL$DUA12:[PROCESSING.K194HW.BATHY]K194HW.300;2
    ISDMNL$DUA12:[PROGRAMS.EDIT]REFORMAT.EXE;
    Raw depth (bathymetry) data
    Extracted from k194hw.053 by Clint Steele, 8/17/94.
    Needs removal of 0.0 values.
    Needs correction of some formatting inconsistancies with bathy field.
    Needs checking for goodness of "*" flags.
    Needs graphed-ing -- especially looking for spikes and constant values.
    
    Input was...
    Converted to time format with year at start.
    
    07/11/94 CAROLYN PMG$PROC:[K194HW.NAV]K194HW.053;1
    Integrated navigation (SINS) data
    
    07/11/94 CAROLYN PMG$PROC:[K194HW.NAV]K194HW.052;2
    Integrated navigation (SINS) data
    
    05/31/94 CAROLYN PMG$PROC:[K194HW.NAV]K194HW.050;4
    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:
    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. Torresan, M.E., Barber, J.H., Jr., Hampton, M.A., Dartnell, Peter, Chezar, Henry, McLaughlin, M.W., Gowen, M.H., Zink, L.L., and Dadey, K.A., 1994, Ground truthing high-backscatter dredged material deposits in Mamala Bay, Honolulu, Hawaii: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement, p. 319. Torresan, Michael, 1995, Final report: acoustic mapping of dredged material disposal sites and deposits in Mamala Bay, Honolulu, Hawaii: U.S. Geological Survey Open-File Report 95-17, 53 p.: <A HREF="<http://geopubs.wr.usgs.gov/open-file/of95-17/>"><http://geopubs.wr.usgs.gov/open-file/of95-17/>



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-1-94-hw.053 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199405100008530    199405100015310
    199405100027010    199405100028030
    199405100040430    199405100103290
    199405100110330    199405100110430
    199405100119550    199405100153050
    199405100159240    199405101913320
    199405101919010    199405130405490
    199405130414260    199405130629090
    199405130635568    199405131314590
    199405131328320    199405160018490
    199405160030490    199405160151090
    199405160159490    199405161209490
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (k-1-94-hw.305_053)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    199405100119550    199405100130450
    199405100159240    199405101913320
    199405101919410    199405101949590
    199405101959490    199405121317500
    199405121325100    199405130405090
    199405130415060    199405130629090
    199405130635568    199405131314590
    199405131328320    199405131348460
    199405131408360    199405131438160
    199405131501270    199405140644190
    199405140657256    199405140930000
    199405140954210    199405141003510
    199405141034220    199405141505590
    199405141511090    199405142125510
    199405142333190    199405150312110
    199405150419208    199405160018490
    199405160057180    199405160151090
    199405160204100    199405160332160
    199405160400296    199405160838400
    199405160844160    199405161209390
    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-1-94-HW data set <http://walrus.wr.usgs.gov/infobank/k/k194hw/html/k-1-94-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: 3.8
Network links: <http://walrus.wr.usgs.gov/infobank/k/k194hw/html/k-1-94-hw.nav.html>

Data format: ASCII Size: 2.7
Network links: <http://walrus.wr.usgs.gov/infobank/k/k194hw/html/k-1-94-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