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-4-81-NC in Off San Mateo
County, Northern California from 05/12/1981 to 05/13/1981
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-4-81-nc.fmeta.xml
http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.meta.html
Chief Scientist: Dave McCulloch. Geophysical data
(dopplersonar, integratednavigation, miniranger,
transitsatellite, 3dot5khz, 12khz, magnetics, gravity,
uniboom, sparker, RhoRho) of field activity L-4-81-NC in Off
San Mateo County, Northern California from 05/12/1981 to
05/13/1981,
http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
dopplersonar
integratednavigation
miniranger
transitsatellite
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
magnetics shipboard magnetics
gravity shipboard gravity
uniboom
sparker single-channel sparker
RhoRho
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.).
19810512
19810513
ground condition
As needed
-124.53240
-122.18615
40.79724
37.10279
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
CA
North Pacific Ocean
Northern California
Northern Pacific Ocean
Off San Mateo County, Northern California
San Francisco Bay, CA
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>
Carolyn Degnan (Navigator);
Dan Hurlbert (Watchstander);
Dave Hogg (Electronics Technician);
Dave McCulloch (Chief Scientist);
Dennis Mann (Watchstander);
Dave Melendrez (Chief Mate);
Doug Rearic (Watchstander);
Greg Lewis (Watchstander);
Jim Saltzgaber (Chief Engineer);
Kaye Kinoshita (Navigator);
Kevin O'Toole (Mechanical Technician);
Lisa Gossett (Navigator);
Roy Fields (Electronics Technician);
Russ Crane (Watchstander);
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>
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (l-4-81-nc.052 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198105121656000 198105122048000
>198105122115550 198105130242000
>198105130248000 198105151527000
>198105151539000 198105151549000
>198105151558000 198105171206000
>198105171213000 198105181402000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Gravity Data (l-4-81-nc.161_052)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198105121656300 198105131653000
>198105132106180 198105132113180
>198105132127480 198105160537060
>198105160542180 198105162256540
>198105162302240 198105181402000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Magnetics Data (l-4-81-nc.220_052)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198105140640000 198105140641200
>198105140713200 198105140714400
>198105140723200 198105140727200
>198105141108200 198105141110200
>198105160112000 198105160116400
>198105160147400 198105160243200
>198105160252200 198105160252200
>198105160302200 198105160302200
>198105160318400 198105160324200
>198105160332400 198105160356000
>198105160444000 198105180634560
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (l-4-81-nc.301_052)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>198105121657300 198105131656400
>198105132111200 198105132117200
>198105132132500 198105141405400
>198105141411000 198105160541070
>198105160547190 198105161431480
>198105161437160 198105162301560
>198105162307240 198105180121400
>198105180126440 198105181402000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>01/21/97 clint l-4-81-nc.052
>/bear/programs/refmt/vms2unix/vms2unix
>Integrated navigation (SINS) data
>
>Input was...
>07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>Original file name is l481nc.sinsc1._.
>
19970121
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
>10/20/2008 clint l-4-81-nc.161_052
>/infobank/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>10/11/85 BARB DRS$DATA:[L481NC.G]L481NC.161;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>
>Input was...
>01/21/97 clint l-4-81-nc.052
>/bear/programs/refmt/vms2unix/vms2unix
>Integrated navigation (SINS) data
>
>07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>Original file name is l481nc.sinsc1._.
>
>time, lat, long, time(sec) to nearest nav fix, data values
20081020
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Magnetics Data
>06/20/2012 carolyn l-4-81-nc.220_052
>
>Reprocessed using subroutines from Susan Macmillan's
>IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
>with IGRF-11 coeffiecients integrated into the source code.
>/infobank/programs/mag/magred11/magred11.for
>Using geodetic coordinate system (Earth shape approximated by spheriod)
>with altitude 0.0 km (for sea level).
>
>Input was...
>10/20/2008 clint l-4-81-nc.200_052
>/infobank/programs/edit/automerge/automerge
>
>Converted to time format with year at start.
>
>11/18/85 CAROLYN DRS$DATA:[L481NC.M]L481NC.200;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>was L481NC._.MAGSB1 on TAM277
>was L481NC220.DAT on VAM277
>
>01/21/97 clint l-4-81-nc.052
>/bear/programs/refmt/vms2unix/vms2unix
>Integrated navigation (SINS) data
>
>07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>Original file name is l481nc.sinsc1._.
>
>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
>10/20/2008 clint l-4-81-nc.301_052
>/infobank/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>08/29/85 BECKIE DUA0:[DATA.L481NC.B]L481NC.301;
>DRB0:[DRS.DSMPL]DESAMTIME.EXE;1
>This file is edited 2 min. digitrack bathy.
>
>Input was...
>01/21/97 clint l-4-81-nc.052
>/bear/programs/refmt/vms2unix/vms2unix
>Integrated navigation (SINS) data
>
>07/12/85 KAYE DUA0:[DATA.L481NC.N]L481NC.052;
>DRB0:[DRS.REFMT]REFORMAT.EXE;4
>Original file name is l481nc.sinsc1._.
>
>time, lat, long, time(sec) to nearest nav fix, data values
20081020
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>
Off San Mateo County, Northern California
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>
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-4-81-NC data set <http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.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
0.3
http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.nav.html
ASCII
No compression applied
0.7
http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.grav.html
ASCII
No compression applied
2.6
http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.mag.html
ASCII
No compression applied
0.2
http://walrus.wr.usgs.gov/infobank/l/l481nc/html/l-4-81-nc.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