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-4-75-BS in Bering Sea,
Aleutian Basin, Alaska from 09/07/1975 to 09/18/1975
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
http://walrus.wr.usgs.gov/infobank/gos/l-4-75-bs.fmeta.xml
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.meta.html
Chief Scientists: Alan Cooper, Mike Marlow. Geophysical
data (uniboom, sonobuoy, gravity, magnetics, 3dot5khz,
gradiometer, integratednavigation, minisparker, 24channel,
airgun, airgunarcer, Burgairgun, Burgsparker, sparker) of
field activity L-4-75-BS in Bering Sea, Aleutian Basin,
Alaska from 09/07/1975 to 09/18/1975,
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
uniboom
sonobuoy
gravity
magnetics
3dot5khz
gradiometer
integratednavigation
minisparker
24channel
airgun
airgunarcer
Burgairgun
Burgsparker
sparker
Publications -
Marlow, M.S., Cooper, A.K., Scholl, David W., and Alpha, Tau Rho, 1976,
Twenty-four channel seismic reflection data acquired on the R/V S. P. Lee
in the Bering Sea, September 1975, and structure contours of acoustic basement
beneath the southern Bering Sea Shelf: U.S. Geological Survey Open-File
Report 76-0652, 3 p. URL:
<A HREF ="http://pubs.er.usgs.gov/publication/ofr76652" target ="OF">http://pubs.er.usgs.gov/publication/ofr76652</A>
Additional publication information at:
<A HREF ="http://www.dggs.dnr.state.ak.us/pubs/id/11100" target ="NEW">http://www.dggs.dnr.state.ak.us/pubs/id/11100</A>
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.).
19750907
19750918
ground condition
As needed
-169.05780
-165.50410
57.21860
54.02090
ISO 19115 Topic Category
geoscientificinformation
oceans
Global Change Master Directory (GCMD)
EARTH SCIENCE > OCEANS
USGS CMG InfoBank
Marine Geology
Marine Geophysics
Marine Gravity Field
Marine Magnetic Field
Magnetic Anomalies
Bathymetry
Water Depth
Seafloor Topography
Marine Seismic
USGS CMG InfoBank
AK
Alaska
Aleutian Arc
Bering Sea
Bering Sea, Aleutian Basin, Alaska
USA
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
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.
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Alan Cooper (Chief Scientist);
Andy Montez (Electronics Technician);
Andy Stevenson (Geophysicist);
Ann McKinney (Dafe Curator);
Byron Ruppel (Geophysicist);
Dave Scholl (Geophysicist);
Don Tompkins (Geophysicist);
Gary Boucher (Geophysicist);
Graig McHendrie (Geophysicist);
Jack Lee (Electronics Technician);
Jim Nicholson (Electronics Technician);
Joe Edwards (Mechanical Technician);
John Howell (Geophysicist);
Jon Erickson (Mechanical Technician);
Mike Marlow (Chief Scientist);
Pamela Smith (Dafe Curator);
Ronnie Montgomery (Electronics Technician);
Terry Kelley (Electronics Technician)
Digital, ASCII
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/>
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Marlow, M.S., Cooper, A.K., Scholl, David W., and Alpha, Tau Rho, 1976,
Twenty-four channel seismic reflection data acquired on the R/V S. P. Lee
in the Bering Sea, September 1975, and structure contours of acoustic basement
beneath the southern Bering Sea Shelf: U.S. Geological Survey Open-File
Report 76-0652, 3 p. URL:
<A HREF ="http://pubs.er.usgs.gov/publication/ofr76652" target ="OF">http://pubs.er.usgs.gov/publication/ofr76652</A>
Additional publication information at:
<A HREF ="http://www.dggs.dnr.state.ak.us/pubs/id/11100" target ="NEW">http://www.dggs.dnr.state.ak.us/pubs/id/11100</A>
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (l-4-75-bs.050 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197509071906000 197509160135000
>197509160147000 197509160147000
>197509160159000 197509160159000
>197509160211000 197509160211000
>197509160223000 197509160223000
>197509160235000 197509160235000
>197509160247000 197509160247000
>197509160259000 197509160259000
>197509160311000 197509160311000
>197509160323000 197509160323000
>197509160335000 197509160335000
>197509160347000 197509160347000
>197509160359000 197509180100000
>197509180130000 197509180130000
>197509180200000 197509180200000
>197509180300000 197509180300000
>197509180320000 197509180320000
>197509180340000 197509180340000
>197509180400000 197509181126000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Gravity Data (l-4-75-bs.160_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197509071906000 197509072219000
>197509072240000 197509081259000
>197509081308000 197509081719000
>197509081941000 197509082049000
>197509082121000 197509090616000
>197509110125000 197509110510000
>197509110602000 197509110708000
>197509142342000 197509150219000
>197509150406000 197509151125000
>197509151150000 197509151859000
>197509152202000 197509160324000
>197509160501000 197509161431000
>197509161437000 197509161603000
>197509161609000 197509161619000
>197509161653000 197509162138000
>197509162201000 197509170147000
>197509170240000 197509172029000
>197509172036000 197509180100000
>197509180532000 197509181125000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Magnetics Data (l-4-75-bs.220_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197509072113480 197509072300420
>197509072320300 197509072326360
>197509072339120 197509072359179
>197509080044240 197509082003300
>197509082013539 197509082038000
>197509082045240 197509091223479
>197509150150059 197509151900420
>197509161938120 197509172358420
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (l-4-75-bs.335_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197509071906000 197509072259000
>197509080644000 197509081123000
>197509081139000 197509090642000
>197509090648000 197509090724000
>197509091308000 197509091400000
>197509101730000 197509102136000
>197509102143000 197509110028000
>197509150238000 197509150257000
>197509150303000 197509151117000
>197509151220000 197509151354000
>197509151400000 197509151404000
>197509151410000 197509151415000
>197509151421000 197509151649000
>197509151723000 197509160212000
>197509160528000 197509161304000
>197509161314000 197509161626000
>197509161645000 197509170150000
>197509170240000 197509171237000
>197509171248000 197509171313000
>197509171327000 197509171903000
>197509171916000 197509172235000
>197509172343000 197509181126000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Seismic Shots Data (l-4-75-bs.420_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197509072030000 197509072100000
>197509072110060 197509072251540
>197509072312000 197509072312000
>197509072347240 197509080027000
>197509080037540 197509080227060
>197509080243300 197509080318000
>197509080328360 197509080342180
>197509080358480 197509080642180
>197509080752240 197509080840420
>197509080852540 197509080923480
>197509080935420 197509081003120
>197509081016060 197509081126480
>197509081138000 197509081237120
>197509081252540 197509081252540
>197509081313540 197509081313540
>197509081325240 197509081417540
>197509081428120 197509081522060
>197509081535240 197509081828480
>197509081844240 197509081915060
>197509082143480 197509082202540
>197509082221000 197509082237120
>197509082303180 197509082326300
>197509082348360 197509082348360
>197509082358540 197509082358540
>197509090010060 197509090010060
>197509090021180 197509090021180
>197509090032180 197509090032180
>197509090044180 197509090044180
>197509090054360 197509090054360
>197509090107060 197509090107060
>197509090914240 197509090929420
>197509090942120 197509091005300
>197509142345000 197509142345000
>197509152024000 197509152024000
>197509160457000 197509160514060
>197509160524300 197509160556300
>197509160608480 197509160618000
>197509160634060 197509160634060
>197509160645120 197509160813480
>197509160827420 197509160827420
>197509160840240 197509160911060
>197509160931180 197509160948120
>197509161001120 197509161016240
>197509161041060 197509161104540
>197509161123240 197509161151480
>197509161202360 197509161202360
>197509161214360 197509161251540
>197509161330240 197509161359120
>197509161412300 197509161521120
>197509161538000 197509161612060
>197509161622480 197509161622480
>197509161647480 197509161822420
>197509162205480 197509162231060
>197509162247480 197509162247480
>197509162259060 197509162259060
>197509162318240 197509162334180
>197509162354180 197509170012300
>197509170026060 197509170026060
>197509170037000 197509170053300
>197509170103480 197509170109480
>197509170122300 197509170136300
>197509170150000 197509170150000
>197509170240120 197509170347540
>197509170358240 197509170803060
>197509170814360 197509170823360
>197509170834180 197509170850480
>197509170901420 197509170910060
>197509170929360 197509171027240
>197509171040540 197509171040540
>197509171052420 197509171052420
>197509171103360 197509171103360
>197509171116540 197509171116540
>197509171127540 197509171127540
>197509171139000 197509171149000
>197509171201360 197509171208300
>197509171221180 197509171221180
>197509171231540 197509171231540
>197509171242000 197509171242000
>197509171253240 197509171253240
>197509171305540 197509171305540
>197509171319180 197509171319180
>197509171329240 197509171336060
>197509171357240 197509171421240
>197509171436300 197509171751180
>197509171803060 197509171901180
>197509171920480 197509171920480
>197509171932180 197509171949300
>197509172003180 197509172026420
>197509172037420 197509172046000
>197509172102300 197509172119000
>197509172130000 197509172132420
>197509172144000 197509172144000
>197509172203060 197509172225060
>197509172237000 197509172244060
>197509172256300 197509172256300
>197509172324420 197509172324420
>197509172335180 197509172344540
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L475BS.N]L475BS.050;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
19960119
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Gravity Data
>10/31/1998 /tiger/l/l475bs/grav/l-4-75-bs.160_050
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>05/02/86 CLINT DUA0:[DATA.L475BS]L475BS.160;
>DRB0:[CLINT]REFMTJCGRV.EXE;
>from JChilds l475bs.sm_grv file.
>
>Input was...
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L475BS.N]L475BS.050;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
>time, lat, long, time(sec) to nearest nav fix, data values
19981031
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Magnetics Data
>06/20/2012 carolyn l-4-75-bs.220_050
>
>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/l475bs/mag/l-4-75-bs.200_050
>/bear/programs/edit/automerge/automerge
>
>Converted to time format with year at start.
>
>05/15/86 CAROLYN DRS$DATA:[LEE75]L475BS.200;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
>02/14/86 CAROLYN DRS$DATA:[L475BS.M]L475BS.240;
>DUA0:[DATA.][L475BS.M]TEMP.EXE;
>was L475BS._.MAGSX2 on TAM157
>was L475BS200.DAT on VAM157
>
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L475BS.N]L475BS.050;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
>time, lat, long, time(sec) to nearest nav fix, data values
20120620
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bathymetry Data
>10/31/1998 /tiger/l/l475bs/bath/l-4-75-bs.335_050
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>02/19/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]L475BS.335;
>DRB0:[DRS.BAT]BATRED.EXE;1
>This file was reduced using 1500m/sec as velocity
>of sound in water (2-way).
>
>02/19/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]L475BS.310;
>DRB0:[DRS.NGDC]UNREFNGDC.EXE;
>This file is hand-digetized bathy in 2-way traveltime(secs).
>
>Input was...
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L475BS.N]L475BS.050;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
>time, lat, long, time(sec) to nearest nav fix, data values
19981031
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bering Sea, Aleutian Basin, Alaska
Point
Point
0.00001
0.00001
Decimal degrees
North American Datum of 1927
Clarke 1866
6378206.4
294.98
Local surface
0.1
meters
Attribute values
Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html>
Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.html>
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Downloadable Data L-4-75-BS data set <http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.meta.html>
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.
ASCII
No compression applied
0.1
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.nav.html
ASCII
No compression applied
0.3
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.grav.html
ASCII
No compression applied
0.1
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.mag.html
ASCII
No compression applied
0.2
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.bath.html
ASCII
No compression applied
0.0
http://walrus.wr.usgs.gov/infobank/l/l475bs/html/l-4-75-bs.seis.html
None
20130331
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/>
FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>
universal time
none
none