U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>
20130519
Geophysical data of field activity L-2-75-NP in Gulf of
Alaska from 08/25/1975 to 09/04/1975
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-2-75-np.fmeta.xml
http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.meta.html
Chief Scientist: Dave Scholl. Geophysical data (gravity,
3dot5khz, airgun, Burgairgun, gradiometer, dopplersonar,
integratednavigation, transitsatellite, Burgsparker) of field
activity L-2-75-NP in Gulf of Alaska from 08/25/1975 to
09/04/1975,
http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
gravity
3dot5khz 3.5 khz bathymetry
airgun single-channel airgun
Burgairgun
gradiometer
dopplersonar
integratednavigation
transitsatellite
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.).
19750825
19750904
ground condition
As needed
-166.49365
-122.66299
54.63333
37.77899
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
Gulf of Alaska
North Pacific Ocean
Northern Pacific Ocean
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>
Byron Ruppel (Geophysicist);
Dave Scholl (Chief Scientist);
Don Tompkins (Geophysicist);
Graig McHendrie (Geophysicist);
John Howell (Geophysicist);
Keith Wilson (Geophysicist);
Pamela Smith (Dafe Curator);
Tom Atkins (Watchstander)
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>
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (l-2-75-np.051 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197508252252000 197508301518000
>197508301606000 197508301708000
>197508301754000 197508301918000
>197508302002000 197508310031000
>197508310134000 197508310500000
>197508310546000 197508310546000
>197508310730000 197508310730000
>197508310814000 197508310918000
>197508311108000 197508311601000
>197508311720000 197508311812000
>197508311938000 197508312318000
>197509010001000 197509010001000
>197509010102000 197509010102000
>197509010301000 197509010424000
>197509010532000 197509010738000
>197509010828000 197509011028000
>197509011112000 197509011535000
>197509011618000 197509011702000
>197509011744000 197509011814000
>197509011856000 197509011918000
>197509012008000 197509012048000
>197509012130000 197509012300000
>197509020003000 197509020526000
>197509020612000 197509020632000
>197509020716000 197509020716000
>197509020808000 197509020828000
>197509020910000 197509020936000
>197509021020000 197509021631000
>197509021716000 197509021816000
>197509021900000 197509022000000
>197509022112000 197509022132000
>197509022214000 197509022214000
>197509022300000 197509022300000
>197509022342000 197509030030000
>197509030129000 197509030400000
>197509030446000 197509030502000
>197509030556000 197509030804000
>197509030852000 197509031016000
>197509031100000 197509031206000
>197509031252000 197509031500000
>197509031607000 197509031607000
>197509031700000 197509040200000
>197509040302000 197509040401000
>197509040500000 197509040531000
>197509040618000 197509040746000
>197509040832000 197509040938000
>197509041020000 197509041334000
>197509041431000 197509041500000
>197509041600000 197509041600000
>197509041702000 197509041958000
>197509042050000 197509042150000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Magnetics Data (l-2-75-np.220_051)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197508252255320 197508270253040
>197508270258530 197508271629350
>197508271635350 197508280200350
>197508280234410 197508280626470
>197508280632140 197508291855480
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (l-2-75-np.335_051)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197509022301060 197509022301060
>197509022327360 197509022327360
>197509022353000 197509022353000
>197509030018300 197509030018300
>197509030053240 197509030053240
>197509030121480 197509030121480
>197509030152420 197509030152420
>197509030221240 197509030221240
>197509030247300 197509030247300
>197509030316180 197509030316180
>197509030344060 197509030344060
>197509030412300 197509030412300
>197509030439420 197509030439420
>197509030508420 197509030508420
>197509030541480 197509030541480
>197509030608420 197509030608420
>197509030639300 197509030639300
>197509030707000 197509030707000
>197509030738240 197509030738240
>197509030804480 197509030804480
>197509030837360 197509030837360
>197509030905480 197509030905480
>197509030934300 197509030934300
>197509031017000 197509031017000
>197509031059120 197509031059120
>197509031131300 197509031131300
>197509031203180 197509031203180
>197509031233120 197509031233120
>197509031302060 197509031302060
>197509031327540 197509031327540
>197509031405480 197509031405480
>197509031431540 197509031431540
>197509031457540 197509031457540
>197509031525480 197509031525480
>197509031555060 197509031555060
>197509031622120 197509031622120
>197509031648180 197509031648180
>197509031724060 197509031724060
>197509031750120 197509031750120
>197509031824300 197509031824300
>197509031857240 197509031857240
>197509031924240 197509031924240
>197509032018480 197509032018480
>197509032055240 197509032055240
>197509032125000 197509032125000
>197509032150360 197509032150360
>197509032221000 197509032221000
>197509032247060 197509032247060
>197509032312240 197509032312240
>197509032337420 197509032337420
>197509040002420 197509040002420
>197509040030000 197509040030000
>197509040056540 197509040056540
>197509040123540 197509040123540
>197509040149540 197509040149540
>197509040628540 197509040628540
>197509040656180 197509040656180
>197509040723060 197509040723060
>197509040751420 197509040751420
>197509040823060 197509040823060
>197509040852060 197509040852060
>197509040918300 197509040918300
>197509041000060 197509041000060
>197509041026360 197509041026360
>197509041053420 197509041053420
>197509041119120 197509041119120
>197509041211180 197509041211180
>197509041236240 197509041236240
>197509041303240 197509041303240
>197509041332480 197509041332480
>197509041400060 197509041400060
>197509041427420 197509041427420
>197509041455300 197509041455300
>197509041548540 197509041548540
>197509041625180 197509041625180
>197509041705060 197509041705060
>197509041745000 197509041745000
>197509041810000 197509041810000
>197509041837240 197509041837240
>197509041903180 197509041903180
>197509041928300 197509041928300
>197509041953360 197509041953360
>197509042020120 197509042020120
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L275NP.N]L275NP.051;
>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>
Magnetics Data
>06/20/2012 carolyn l-2-75-np.220_051
>
>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/l275np/mag/l-2-75-np.200_051
>/bear/programs/edit/automerge/automerge
>
>Converted to time format with year at start.
>
>02/14/86 CAROLYN DRS$DATA:[L275NP.M]L275NP.200;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>was L275NP._.MAGSX1 on TAM157
>was L275NP201.DAT on VAM157
>
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L275NP.N]L275NP.051;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
>time, lat, long, time(sec) to nearest nav fix, data values
20120620
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bathymetry Data
>10/31/1998 /tiger/l/l275np/bath/l-2-75-np.335_051
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>02/14/86 BECKIE DISK$USERDISK:[CLINT.BECKIE]L275NP.335;
>DRB0:[DRS.BAT]BATRED.EXE;1
>This file was hand-digetized in 2-way traveltime(secs).
>It was reduced with no Matthews correction and the
>velocity of sound assumed was 1500m/sec.
>
>02/14/86 BECKIE DISK$USERDISK:[CLINT.BECKIE]L275NP.310;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>
>Input was...
>Converted to time format with year at start.
>
>02/11/86 KAYE DUA0:[DATA.L275NP.N]L275NP.051;
>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>
Gulf of 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>
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>
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-2-75-NP data set <http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.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
0.0
http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.nav.html
ASCII
No compression applied
0.1
http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.mag.html
ASCII
No compression applied
0.1
http://walrus.wr.usgs.gov/infobank/l/l275np/html/l-2-75-np.bath.html
None
20130519
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