- Title:
-
Geophysical data of field activity L-6-76-AR in Arctic from
08/27/1976 to 09/03/1976
- Abstract:
-
Chief Scientist: Art Grantz. Geophysical data (gravity,
Burgairgun, uniboom, Digitrack, 3dot5khz, 24channel, sparker,
sonobuoy, bottomseismometer, dopplersonar,
integratednavigation, LoranC, transitsatellite, airgun,
Burgsparker) of field activity L-6-76-AR in Arctic from
08/27/1976 to 09/03/1976,
<http://walrus.wr.usgs.gov/infobank/l/l676ar/html/l-6-76-ar.meta.html>.
- Supplemental_Information:
-
Equipment Used -
gravity
Burgairgun Burg single-channel arcer
uniboom
Digitrack
3dot5khz 3.5 khz bathymetry
24channel 24-channel seismic
sparker
sonobuoy
bottomseismometer
dopplersonar
integratednavigation
LoranC
transitsatellite
airgun
Burgsparker
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.).
- 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/>, 20130331, Geophysical data of field activity L-6-76-AR in Arctic from 08/27/1976 to 09/03/1976: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.
Online Links:
- What geographic area does the data set cover?
- West_Bounding_Coordinate: -168.31174
- East_Bounding_Coordinate: -165.40790
- North_Bounding_Coordinate: 67.51450
- South_Bounding_Coordinate: 64.48150
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 27-Aug-1976
- Ending_Date: 03-Sep-1976
- Currentness_Reference: ground condition
- What is the general form of this data set?
- How does the data set represent geographic features?
- How are geographic features stored in the data set?
- Indirect_Spatial_Reference: Arctic
This is a Point data set.
It contains the following vector data types (SDTS terminology):
- 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
- 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 are the originators of the data set? (may include formal authors, digital compilers, and editors)
- Who also contributed to the data set?
Al Long (Geophysicist);
Andy Montez (Mechanical Technician);
Art Grantz (Chief Scientist);
Byron Ruppel (Navigator);
Carrie Carpenter (Dafe Curator);
Chris Carlson (Watchstander);
Curtis Thompson (Chief Mate);
Dave Aldridge (Watchstander);
Gary Boucher (Geophysicist);
Jim Krogstad (Watchstander, ABL);
Joe Edwards (Mechanical Technician);
Karen Bachmann (Watchstander);
Paul Twitchell (Mechanical Technician);
Ralph Curtiss (Chief Engineer);
Steve Davenport (Watchstander);
Steve Eittreim (Geophysicist);
Sven Keinanen (Ship Captain);
Terry Kelley (Electronics Technician);
Terry Whitney (Watchstander);
Tom Thornton (Electronics Technician)
- To whom should users address questions about the data?
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
- From what previous works were the data drawn?
- How were the data generated, processed, and modified?
- Date: 19-Jan-1996 (process 1 of 4)
-
Navigation Data
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L676AR.N]L676AR.011;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 4)
-
Gravity Data
10/31/1998 /tiger/l/l676ar/grav/l-6-76-ar.161_011
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
01/02/86 BARB DUA0:[DATA.L676AR.G]L676AR.161;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
Input was...
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L676AR.N]L676AR.011;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 20-Jun-2012 (process 3 of 4)
-
Magnetics Data
06/20/2012 carolyn l-6-76-ar.220_011
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/l/l676ar/mag/l-6-76-ar.200_011
/bear/programs/edit/automerge/automerge
Converted to time format with year at start.
05/15/86 CAROLYN DRS$DATA:[LEE76]L676AR.200;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
was L676AR.200 from Barb (slaves were unreadable after 241/2329)
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L676AR.N]L676AR.011;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 03-Nov-2008 (process 4 of 4)
-
Bathymetry Data
11/03/2008 jpaz /infobank/l/l676ar/bath/l-6-76-ar.335_011
/infobank/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
02/11/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]L676AR.335;
DRB0:[DRS.BAT]BATRED.EXE;1
This file was hand-digetized in 2-way traveltime(secs).
It was reduced using no Matthews correction and velocity
of sound assumed was 1500m/sec.
Input was...
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L676AR.N]L676AR.011;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- 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 well have the observations been checked?
Identified as best available version.
- How accurate are the geographic locations?
Unspecified
- How accurate are the heights or depths?
Unspecified
- Where are the gaps in the data? What is missing?
Start and end date/times of data
Navigation Data (l-6-76-ar.011 [DRS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197608271952300 197608272003000
197608272009500 197608272319500
197608272330010 197608272338100
197608272355390 197608272357400
197608280003500 197608280104140
197608280111480 197608280526300
197608280535500 197608280549500
197608280556500 197608281022500
197608281328500 197608281810000
197608281816000 197608281844000
197608281900200 197608282307500
197608282345100 197608300010400
197608300034400 197608302002100
197608302007500 197608302015500
197608302028100 197608302034100
197608302043500 197609010243100
197609010249100 197609010249100
197609010256300 197609010641000
197609010646400 197609030012500
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (l-6-76-ar.161_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197608272056120 197608272315120
197608272325000 197608272334120
197608272350360 197608272352420
197608272358480 197608280100300
197608280106480 197608281017300
197608281323480 197609010238300
197609010244120 197609010244120
197609010251300 197609022329120
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (l-6-76-ar.220_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197608271952300 197608272003200
197608272009500 197608272320530
197608272330010 197608272339300
197608272355390 197608272357400
197608280003500 197608280105500
197608280111480 197608281023100
197608281328500 197609010243500
197609010249100 197609010249100
197609010256300 197609010641200
197609010646400 197609030012380
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (l-6-76-ar.335_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197608272300000 197608280128480
197608280134420 197608280134420
197608280141180 197608280141180
197608280147000 197608280147000
197608280221540 197608280233540
197608280239000 197608280316420
197608280322000 197608280414420
197608280420240 197608280420240
197608280428480 197608280503300
197608280508540 197608280508540
197608280514120 197608280514120
197608280519360 197608280523360
197608280529420 197608280706420
197608281413060 197608281533480
197608281556000 197608281713540
197608281720120 197608281734540
197608281740060 197608281925540
197608281935180 197608281939120
197608281944360 197608281945540
197608281951180 197608282035540
197608282041360 197608282049060
197608282054540 197608282151420
197608282156480 197608282245540
197608282251240 197608282302540
197608282308360 197608282308360
197608282313480 197608282313480
197608282319540 197608282319540
197608282325360 197608282334540
197608282343000 197608282343000
197608282348240 197608282348240
197608282353360 197608290015240
197608290020540 197608290020540
197608290026360 197608290100360
197608290106060 197608290114420
197608290122360 197608290129540
197608290135540 197608290135540
197608290142000 197608290206540
197608290215420 197608290220000
197608290228540 197608290319240
197608290326480 197608290329360
197608290600240 197608290714420
197608290749120 197608290800540
197608290855120 197608290914480
197608290928300 197608290945540
197608290951120 197608290951120
197608290956240 197608291005360
197608291010480 197608291045480
197608291051420 197608291051420
197608291057420 197608291101180
197608291106420 197608291117420
197608291122480 197608291122480
197608291127540 197608291201120
197608291206240 197608291231120
197608291237120 197608291237120
197608291243300 197608291246240
197608291251420 197608291331060
197608291337240 197608291337240
197608291342360 197608291412420
197608291417540 197608291454240
197608291526240 197608291534180
197608291540300 197608291615420
197608291621300 197608291821540
197608291900240 197608292214060
197608292233300 197608292328540
197608292342120 197608300036540
197608300045240 197608300100000
197608300115540 197608300445300
197608300501300 197608300529420
197608300535240 197608300554360
197608300600000 197608300600000
197608300618240 197608301049420
197608301102240 197608301142540
197608301148000 197608301357300
197608301416480 197608301533180
197608301546360 197608301648300
197608301701540 197608301816240
197608301821480 197608301933000
197608301939120 197608302002480
197608302017060 197608302040360
197608302046180 197608302054000
197608302100000 197608302301540
197608302309300 197608310022360
197608310136540 197608310319360
197608310325120 197608310406540
197608310715240 197608310758360
197608310851540 197608311033540
197608311046300 197608311133000
197608311144420 197608311219240
197608311225000 197608311324000
197608311329300 197608311415240
197608311420300 197608311430000
197608311709000 197608311801420
197608311806480 197608311806480
197608311812060 197608311812060
197608311818540 197608311827540
197608311833120 197608311924180
197608311930000 197608312008420
197608312015000 197608312119240
197608312247000 197609010206000
197609010802060 197609010802060
197609010809000 197609010817540
197609010823000 197609010827060
197609010832120 197609010836360
197609010842000 197609010842000
197609010847240 197609010942420
197609010947480 197609011026000
197609011031420 197609011129000
197609011148240 197609011314060
197609011320240 197609011405540
197609011411300 197609011415120
197609011420540 197609011432000
197609011437060 197609011501060
197609011508000 197609011551540
197609011557180 197609011557180
197609011602240 197609011703480
197609011709120 197609011905060
197609011916120 197609012043180
197609012049000 197609012241120
197609012247060 197609020543120
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
- How consistent are the relationships among the observations, including topology?
Unspecified
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.
- Who distributes the data set? (Distributor 1 of 1)
- What's the catalog number I need to order this data set?
Downloadable Data L-6-76-AR data set <http://walrus.wr.usgs.gov/infobank/l/l676ar/html/l-6-76-ar.meta.html>
- 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.
- How can I download or order the data?
- Availability in digital form:
- Cost to order the data: None
- Dates:
- Last modified: 31-Mar-2013
- Metadata author:
-
- 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 Sun Mar 31 07:20:22 2013
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