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What does this data set describe?

Title:
Geophysical data of field activity F-10-91-HW in Central Pacific from 09/27/1991 to 10/29/1991
Abstract:
Chief Scientist: Ledabeth Pickthorn. Geophysical data (GPS, RhoRho, 10khz, Gloriasidescan, gravity, magnetics, airgunmonitor, 3dot5khz, 2channelairgun) of field activity F-10-91-HW in Central Pacific from 09/27/1991 to 10/29/1991, <http://walrus.wr.usgs.gov/infobank/f/f1091hw/html/f-10-91-hw.meta.html>.
Supplemental_Information:

Equipment Used -
GPS
RhoRho Loran-C Rho-Rho
10khz 10 khz bathymetry
Gloriasidescan
gravity
magnetics magnetometer
airgunmonitor single-channel airgun monitor
3dot5khz 3.5 khz bathymetry
2channelairgun two-channel airgun
Notes -
Associated cruises:
<br>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f586hw/html/f-5-86-hw.meta.html>">F-5-86-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f686hw/html/f-6-86-hw.meta.html>">F-6-86-HW</A>
<BR>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f388hw/html/f-3-88-hw.meta.html>">F-3-88-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f488hw/html/f-4-88-hw.meta.html>">F-4-88-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f588hw/html/f-5-88-hw.meta.html>">F-5-88-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f688hw/html/f-6-88-hw.meta.html>">F-6-88-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f1088hw/html/f-10-88-hw.meta.html>">F-10-88-HW</A>
<BR>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f1289hw/html/f-12-89-hw.meta.html>">F-12-89-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f1389hw/html/f-13-89-hw.meta.html>">F-13-89-HW</A>
<BR>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f190hw/html/f-1-90-hw.meta.html>">F-1-90-HW</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f290hw/html/f-2-90-hw.meta.html>">F-2-90-HW</A>
<BR>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f691cp/html/f-6-91-cp.meta.html>">F-6-91-CP</A>
&nbsp;&nbsp;<A HREF="<http://walrus.wr.usgs.gov/infobank/f/f1091hw/html/f-10-91-hw.meta.html>">F-10-91-HW</A>
Publications -
Binard, N., Moore, J.G., Normark, W.R., and Holcomb, R.T., 1993, Comparison of features
identified by swath-sonar mapping (GLORIA) and their 3.5 kHz echo-sounding features on
the Hawaiian Ridge: American Geophysical Union Eos, Transactions, v. 74, no. 43, Supplement,
p. 342.<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), Coastal and Marine Geology (CMG), 20090107, Geophysical data of field activity F-10-91-HW in Central Pacific from 09/27/1991 to 10/29/1991: U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG).

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -177.39850
    East_Bounding_Coordinate: -166.98660
    North_Bounding_Coordinate: 29.60560
    South_Bounding_Coordinate: 25.27580

  3. What does it look like?

    <http://walrus.wr.usgs.gov/infobank/f/f1091hw/html/f-10-91-hw.nav.gif> (GIF)
    Trackline map of F-10-91-HW
    <http://walrus.wr.usgs.gov/infobank/f/f1091hw/html/f-10-91-hw.grav.gif> (GIF)
    Gravity data trackline map of F-10-91-HW
    <http://walrus.wr.usgs.gov/infobank/f/f1091hw/html/f-10-91-hw.mag.gif> (GIF)
    Magnetics data trackline map of F-10-91-HW
    <http://walrus.wr.usgs.gov/infobank/f/f1091hw/html/f-10-91-hw.bath.gif> (GIF)
    Bathymetry data trackline map of F-10-91-HW

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

    Beginning_Date: 27-Sep-1991
    Ending_Date: 29-Oct-1991
    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: Central 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 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
    Entity_and_Attribute_Detail_Citation:
    Farnella corrected & edited bathymetry data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, Depth)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.1)
C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f\\n)
Naming:         .350
    Entity_and_Attribute_Overview: Gravity with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Raw gravity data from digital meter 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, UncorrGrv, Spring, 16Chan, CorrGrv, 4Chan, TimeLag, TotCor)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.1, t24, f7.1, t32, 16i5, t112, f7.1, t119, 4i6, t144, i6, t150, i5)
C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f %7.1f 16%5i %7.1f 4%6i %6i %5i\\n)
Naming:         .100
    Entity_and_Attribute_Overview: Magnetics with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Edited magnetics data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, MstObs, MstReg, MstRes)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.1, t24, f7.1, t32, f7.1)
C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f %7.1f %7.1f\\n)
Naming:         .220
    Entity_and_Attribute_Overview: Navigation with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Integrated navigation (SINS) data 
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, Latitude, Longitude)
FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f9.5, t26, f10.5)
C format:       (%4.4i%3.3i3%2.2i%1.1i %9.5f %10.5f\\n)
Naming:         .050

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

    • U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)

  2. Who also contributed to the data set?

    John Barber (Chief Scientist, USGS Western Region); Ledabeth Pickthorn (Chief Scientist, USGS Western Region, listed as Ledabeth Gray); Mike Hamer (Navigator, USGS Western Region); Grace Fong (Navigator, USGS Western Region); Frank Brown (Watchstander, Volunteer); Larry Kooker (Electronics Technician, USGS Western Region); Eric Darlington (Electrical Engineer, IOS); Bob Kirk (Electrical Engineer, IOS); Alan Gray (Mechanical Technician, IOS); Colin Jacobs (Photographer, IOS); John Nichols (Ship Captain, JMARR); Ronald Holliday (Chief Mate, JMARR); Willy Angus (Chief Engineer, JMARR)

  3. To whom should users address questions about the data?

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@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-Feb-1996 (process 1 of 4)
    Navigation Data 
    Converted to time format with year at start.

07/13/92 MHAMER PMG$PROC:[F1091HW.N]F1091HW.051;1
DUA10:[PMG.][MHAMER.FORPRO.EXE]DXFMT_TO_DAPS.EXE;
Integrated navigation (SINS) data
reformatted from ship processed DXFMT file

    Person who carried out this activity:

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 28-Oct-2008 (process 2 of 4)
    Gravity Data 
    10/28/2008 carolyn f-10-91-hw.102_051
/infobank/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

03/20/92 HARRY PMGPROC:[PROCESSING.F1091HW.G]FJ1G01_DAT.101;2
ISDMNL$DUA14:[PROGRAMS.PLT.GRAPHED.EXE]GRAPHED.EXE;
Raw gravity data from digital meter

03/16/92 HARRY PMGPROC:[PROCESSING.F1091HW.G]FJ1G01_DAT.101;1
ISDMNL$DUA14:[PROGRAMS.][GRV]VALIDGRAV.EXE;
Raw gravity data from digital meter

Input was...
Converted to time format with year at start.

07/13/92 MHAMER PMG$PROC:[F1091HW.N]F1091HW.051;1
DUA10:[PMG.][MHAMER.FORPRO.EXE]DXFMT_TO_DAPS.EXE;
Integrated navigation (SINS) data
reformatted from ship processed DXFMT file

time, lat, long, time(sec) to nearest nav fix, data values

    Person who carried out this activity:

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 31-Oct-1998 (process 3 of 4)
    Magnetics Data 
    10/31/1998  /lion/f/f1091hw/mag/f-10-91-hw.220_051
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HW.220;1
ISDMNL$DUA14:[PROGRAMS.][MAG]MAGRED.EXE;5
Edited magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HWFILT.201;1
ISDMNL$DUA14:[PROGRAMS.][EDIT]SKIPNSAVE.EXE;1
Raw magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HWTT.130;1
ISDMNL$DUA14:[PROGRAMS.][FILT]TIPNTAIL.EXE;
Gravity SKIPNSAVE control data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HW20SEC.201;1
ISDMNL$DUA14:[PROGRAMS.][EDIT]MERGEIT.EXE;
Raw magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HWTIMES.201;1
ISDMNL$DUA14:[PROGRAMS.][DSMPL]METAMUCIL.EXE;
Raw magnetics data

03/25/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;2
ISDMNL$DUA14:[PROGRAMS.PLT.GRAPHED.EXE]GRAPHED.EXE;
Raw magnetics data

03/24/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;1
ISDMNL$DUA14:[PROGRAMS.][MAG]ZEROMAG.EXE;
Raw magnetics data

03/25/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;2
ISDMNL$DUA14:[PROGRAMS.PLT.GRAPHED.EXE]GRAPHED.EXE;
Raw magnetics data

03/24/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;1
ISDMNL$DUA14:[PROGRAMS.][MAG]ZEROMAG.EXE;
Raw magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HWFT.201;1
ISDMNL$DUA14:[PROGRAMS.][FILT]FILTER.EXE;1
Raw magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HWTT.201;1
ISDMNL$DUA14:[PROGRAMS.][FILT]TIPNTAIL.EXE;
Raw magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HW20SEC.201;1
ISDMNL$DUA14:[PROGRAMS.][EDIT]MERGEIT.EXE;
Raw magnetics data

04/16/92 CAROLYN PMGPROC:[REQUESTS.GLORIA.HAWAII.MAG]F1091HWTIMES.201;1
ISDMNL$DUA14:[PROGRAMS.][DSMPL]METAMUCIL.EXE;
Raw magnetics data

03/25/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;2
ISDMNL$DUA14:[PROGRAMS.PLT.GRAPHED.EXE]GRAPHED.EXE;
Raw magnetics data

03/24/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;1
ISDMNL$DUA14:[PROGRAMS.][MAG]ZEROMAG.EXE;
Raw magnetics data

03/25/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;2
ISDMNL$DUA14:[PROGRAMS.PLT.GRAPHED.EXE]GRAPHED.EXE;
Raw magnetics data

03/24/92 HARRY PMGPROC:[PROCESSING.F1091HW.M]FJ1G02_DAT.201;1
ISDMNL$DUA14:[PROGRAMS.][MAG]ZEROMAG.EXE;
Raw magnetics data

12/04/91 CAROLYN MARINE:[DATA.CRUISE.F1091HW.WORK.N]F1091HW.080;1
ISDMNL$DUA12:[PMG.REFMT]DXFMT_TO_DAPS.EXE;1
Farnella ABC data

Input was...
Converted to time format with year at start.

07/13/92 MHAMER PMG$PROC:[F1091HW.N]F1091HW.051;1
DUA10:[PMG.][MHAMER.FORPRO.EXE]DXFMT_TO_DAPS.EXE;
Integrated navigation (SINS) data
reformatted from ship processed DXFMT file

time, lat, long, time(sec) to nearest nav fix, data values

    Person who carried out this activity:

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 31-Oct-1998 (process 4 of 4)
    Bathymetry Data 
    10/31/1998  /lion/f/f1091hw/bath/f-10-91-hw.351_051
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

10/27/92 CAROLYN PMG$PROC:[F1091HW.B]F1091HW.351;2
ISDMNL$DUA1:[PROGRAMS.PLT.GRAPHED.EXE]GRAPHED.EXE;
Farnella corrected & edited bathymetry data
removed spike

01/29/92 CAROLYN MARINE:[DATA.CRUISE.F1091HW.WORK.N]F1091HW.351;1
ISDMNL$DUA12:[PMG.PLT.GRAPHED.EXE]GRAPHED.EXE;
Farnella corrected & edited bathymetry data
edited out zero values

12/04/91 CAROLYN MARINE:[DATA.CRUISE.F1091HW.WORK.N]F1091HW.350;1
ISDMNL$DUA12:[PMG.REFMT]DXFMT_TO_DAPS.EXE;1
Farnella corrected & edited bathymetry data

Input was...
Converted to time format with year at start.

07/13/92 MHAMER PMG$PROC:[F1091HW.N]F1091HW.051;1
DUA10:[PMG.][MHAMER.FORPRO.EXE]DXFMT_TO_DAPS.EXE;
Integrated navigation (SINS) data
reformatted from ship processed DXFMT file

time, lat, long, time(sec) to nearest nav fix, data values

    Person who carried out this activity:

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

  3. What similar or related data should the user be aware of?

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG), Unknown, USGS/CMG Information Bank: U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG).

    Online Links:

    Other_Citation_Details: Updated daily

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 (f-10-91-hw.051 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199109300642000    199110270432000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (f-10-91-hw.102_051)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199109300642000    199110012159400
199110012209400    199110032221400
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Magnetics Data (f-10-91-hw.220_051)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199109300642000    199110032221400
199110032232200    199110071439400
199110071450000    199110071459400
199110071510000    199110112307200
199110112317400    199110140012000
199110140442400    199110142202200
199110162103400    199110202236400
199110202300200    199110222218000
199110222230200    199110242206400
199110242226000    199110262242400
199110262312200    199110270432000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (f-10-91-hw.351_051)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
199109300642000    199110060948000
199110060956000    199110270430000
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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

  2. What's the catalog number I need to order this data set?

    Downloadable Data F-10-91-HW data set

  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?

Who wrote the metadata?

Dates:
Last modified: 07-Jan-2009
Metadata author:
U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
c/o Clint Steele
Data Acquisition, Processing, and Storage (DAPS) Group Leader
USGS, MailStop 999, 345 Middlefield Road
Menlo Park, CA 94025-3561
USA

(650) 329-5055 (voice)
(650) 329-5190 (FAX)
csteele@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

Generated by mp version 2.9.2 on Wed Jan 7 03:25:58 2009