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-3-78-EG in Eastern Gulf
of Alaska from 06/22/1978 to 07/04/1978
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-3-78-eg.fmeta.xml
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.meta.html
Chief Scientist: Terry Bruns. Geophysical data (airgun,
3dot5khz, minisparker, gravity, gradiometer, sonobuoy,
airgunmonitor, magnetics, uniboom, 12khz, Digitrack,
dopplersonar, integratednavigation, LoranC, RhoRho, radar,
transitsatellite, 24channel) of field activity L-3-78-EG in
Eastern Gulf of Alaska from 06/22/1978 to 07/04/1978,
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
airgun single-channel airgun
3dot5khz 3.5 khz bathymetry
minisparker
gravity
gradiometer
sonobuoy
airgunmonitor single-channel airgun monitor
magnetics magnetometer
uniboom
12khz 12 khz bathymetry
Digitrack
dopplersonar
integratednavigation
LoranC
RhoRho Loran C Rho-Rho
radar
transitsatellite
24channel 24-channel seismic
Publications -
Bruns, Terry R., Mann, Dennis M., and Sliter, Ray W., 1987, Multichannel
seismic-reflection profiles collected in 1978 in the eastern Gulf of Alaska:
U.S. Geological Survey Open-File Report 87-0148, 5 p. 1 sheet.
Bruns, T.R., and Carlson, P.R., 1987, Geology and petroleum potential of the
southeast Alaska continental margin, in D. Scholl, A. Grantz, and J. Vedder,
editors, Geology and resource potential of the continental margin of W. No.
America and adjacent ocean basins: Houston, TX, Circum-Pacific Council for
Energy and Mineral Resources Earth Science Series, v. 6, p. 269-282.
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.).
19780622
19780704
ground condition
As needed
-147.13863
-133.89804
59.18395
54.65640
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
Eastern Gulf of Alaska
Gulf of 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>
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.nav.gif
Trackline map of L-3-78-EG
GIF
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.grav.gif
Gravity data trackline map of L-3-78-EG
GIF
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.mag.gif
Magnetics data trackline map of L-3-78-EG
GIF
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.bath.gif
Bathymetry data trackline map of L-3-78-EG
GIF
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.seis.gif
Seismic shot point data trackline map of L-3-78-EG
GIF
Beckie Larsen (Dafe Curator);
Charlie Fitts (Navigator);
Dave Aldridge (Watchstander);
Dave Wilson (Geologist);
Dennis Mann (Chief Watchstander);
George Asunsion (Electronics Technician);
Glen Barker (Mechanical Technician);
Jack Lee (Electronics Technician);
Jeff Rupert (Mechanical Technician);
Jim Mackrow (Chief Mate);
John Dunlavey (Navigator);
K. Smith (Chief Engineer);
Karen Denman (Watchstander);
Ken Bayer (Geophysicist);
Larry Maxey (Watchstander, Conservation);
Paula Mackrow (Navigator);
Phyllis Swenson (Watchstander);
Terry Bruns (Chief Scientist);
Terry Ruff (Ship Captain)
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>
Bruns, Terry R., Mann, Dennis M., and Sliter, Ray W., 1987, Multichannel
seismic-reflection profiles collected in 1978 in the eastern Gulf of Alaska:
U.S. Geological Survey Open-File Report 87-0148, 5 p. 1 sheet.
Bruns, T.R., and Carlson, P.R., 1987, Geology and petroleum potential of the
southeast Alaska continental margin, in D. Scholl, A. Grantz, and J. Vedder,
editors, Geology and resource potential of the continental margin of W. No.
America and adjacent ocean basins: Houston, TX, Circum-Pacific Council for
Energy and Mineral Resources Earth Science Series, v. 6, p. 269-282.
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (l-3-78-eg.051 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197801010000001 197801010000201
>197801020000001 197801020000118
>197801030000001 197801030000199
>197801040000001 197801040000208
>197801050000001 197801050000178
>197801060000001 197801060000215
>197801070000001 197801070000144
>197801080000001 197801080000137
>197801090000001 197801090000132
>197801100000001 197801100000157
>197801110000001 197801110000161
>197801120000001 197801120000047
>197801130000001 197801130000058
>197801140000001 197801140000117
>197801150000001 197801150000088
>197801160000001 197801160000026
>197801170000001 197801170000107
>197801180000001 197801180000122
>197801190000001 197801190000079
>197801200000001 197801200000087
>197801210000001 197801210000115
>197801220000001 197801220000212
>197801230000001 197801230000088
>197801240000001 197801240000091
>197801250000001 197801250000059
>197801260000001 197801260000303
>197801270000001 197801270000188
>197801280000001 197801280000450
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Gravity Data (l-3-78-eg.160_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197806222331480 197806230000000
>197806230016480 197806230101480
>197806230142480 197806230931480
>197806231001480 197806231345480
>197806231351300 197806231629300
>197806231735300 197806240258420
>197806240325420 197806241654480
>197806241800480 197806241900480
>197806242122480 197806250812480
>197806250859120 197806251358120
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Magnetics Data (l-3-78-eg.260_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197806240707060 197806260704140
>197806260912130 197806270414430
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (l-3-78-eg.336_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197806222335000 197806230231000
>197806230310000 197806230600000
>197806230623000 197806241054000
>197806241105000 197806241249000
>197806241346000 197806241952000
>197806242003000 197806242223000
>197806242312000 197806252100000
>197806252112000 197806252237000
>197806252351000 197806260944000
>197806260956000 197806270519000
>197806270531000 197806270531000
>197806270545000 197806270545000
>197806270600000 197806270834000
>197806270845000 197806271031000
>197806271102000 197806280045000
>197806280056000 197806280600000
>197806280625000 197806281843000
>197806281900000 197806281900000
>197806281915000 197807010001000
>197807010016000 197807010400000
>197807010431000 197807030054000
>197807030106000 197807030433000
>197807030448000 197807031518000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Seismic Shots Data (l-3-78-eg.410_051)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197801010000001 197801010000201
>197801020000001 197801020000118
>197801030000001 197801030000199
>197801040000001 197801040000208
>197801050000001 197801050000178
>197801060000001 197801060000215
>197801070000001 197801070000144
>197801080000001 197801080000137
>197801090000001 197801090000132
>197801100000001 197801100000157
>197801110000001 197801110000161
>197801120000001 197801120000047
>197801130000001 197801130000058
>197801140000001 197801140000117
>197801150000001 197801150000088
>197801160000001 197801160000026
>197801170000001 197801170000107
>197801180000001 197801180000122
>197801190000001 197801190000079
>197801200000001 197801200000087
>197801210000001 197801210000115
>197801220000001 197801220000212
>197801230000001 197801230000088
>197801240000001 197801240000091
>197801250000001 197801250000059
>197801260000001 197801260000303
>197801270000001 197801270000188
>197801280000001 197801280000450
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>/infobank/l/l378eg/nav/l-3-78-eg.051
>time/lat/long style, multi-record, in caps, without tabs
>Note: lines2times generated FAKE TIMES for line/shot point records
>
>Input was...
>05/27/2011 carolyn /infobank/l/l378eg/seis/l-3-78-eg.410_051
>/infobank/programs/time/lines2times/lines2times
>time/lat/long style, multi-record, in caps, without tabs
>temporal domain
>Note: lines2times generated FAKE TIMES for line/shot point records
>
>05/23/2011 florence /infobank/l/l378eg/seis/l-3-78-eg.410_fw
>placeholder 410 file formatted for Arc ffid.aml (produces arc/actidSEIS2)
> 5/23/2011 fwong@usgs.gov
>string, lat, lon, line, ffid, shot, cdp
>needs to be updated to regular Infobank format
>
> 1 2 3 4 5 6 7 8 9
>3456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
>
20110527
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/l378eg/grav/l-3-78-eg.160_050
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>05/01/86 CLINT DUA0:[DATA.L378EG]L378EG.160;
>DUA0:[DATA.L378EG]TEMP.EXE;
>
>Input was...
>Converted to time format with year at start.
>
>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
>06/21/2012 carolyn l-3-78-eg.260_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/l378eg/mag/l-3-78-eg.240_050
>/bear/programs/edit/automerge/automerge
>
>Converted to time format with year at start.
>
>01/02/86 CAROLYN DRS$DATA:[L378EG.M]L378EG.240;
>DRB0:[DRS.REFMT]REFORMAT.EXE;5
>from Barb's gravity dump of grvm files
>
>Converted to time format with year at start.
>
>time, lat, long, time(sec) to nearest nav fix, data values
20120621
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bathymetry Data
>10/31/1998 /tiger/l/l378eg/bath/l-3-78-eg.336_050
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>12/10/85 BECKIE DISK$USERDISK:[BECKIE.TEMP]L378EG.335;
>DRB0:[DRS.BAT]BATRED.EXE;1
>This file was hand-digetized in 2_way traveltime(secs).
>No Matthews correction. Sound velocity assumed 1500m/sec.
>
>Input was...
>Converted to time format with year at start.
>
>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>
Eastern 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>
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-3-78-EG data set <http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.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
0.4
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.nav.html
ASCII
No compression applied
0.3
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.grav.html
ASCII
No compression applied
5.2
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.mag.html
ASCII
No compression applied
0.2
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.bath.html
ASCII
No compression applied
0.4
http://walrus.wr.usgs.gov/infobank/l/l378eg/html/l-3-78-eg.seis.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