- Title:
-
Geophysical data of field activity L-4-76-WG in Western Gulf
of Alaska from 06/26/1976 to 07/25/1976
- Abstract:
-
Chief Scientist: Roland Von Huene. Geophysical data
(uniboom, minisparker, gravity, 24channel, airgun,
airgunmonitor, sparker, 3dot5khz, bathnav, Digitrack,
dopplersonar, integratednavigation, miniranger, sonobuoy,
airgunarcer, gradiometer, uniboomminisparker) of field
activity L-4-76-WG in Western Gulf of Alaska from 06/26/1976
to 07/25/1976,
<http://walrus.wr.usgs.gov/infobank/l/l476wg/html/l-4-76-wg.meta.html>.
- Supplemental_Information:
-
Equipment Used -
uniboom
minisparker
gravity
24channel 24-channel seismic
airgun single-channel airgun
airgunmonitor single-channel airgun monitor
sparker
3dot5khz 3.5 khz bathymetry
bathnav bathymetry/navigation
Digitrack
dopplersonar
integratednavigation
miniranger
sonobuoy
airgunarcer single-channel arcer
gradiometer
uniboomminisparker
Publications -
Fisher, M. A., von Huene, R. E., and Hampton, M. A., 1984,
Summary geologic report for petroleum lease sale 100, Kodiak Shelf, Alaska:
U.S. Geological Survey Open-File Report 84-24, 49 p., URL:
<A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>.
Fisher, Michael A., von Huene, Roland, and Steele, William Clinton, 1983,
Marine free-air gravity map of the western Gulf of Alaska, lower Cook Inlet, and Shelikof Strait, Alaska:
U.S. Geological Survey Open-File Report 83-52, 2 maps, URL:
<A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>.
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-4-76-WG in Western Gulf of Alaska from 06/26/1976 to 07/25/1976: 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: -154.37817
- East_Bounding_Coordinate: -124.60397
- North_Bounding_Coordinate: 59.09326
- South_Bounding_Coordinate: 48.45923
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 26-Jun-1976
- Ending_Date: 25-Jul-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: Western Gulf of Alaska
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>
- Entity_and_Attribute_Overview:
-
Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.html>
- Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
- Who also contributed to the data set?
Allan Krill (Watchstander);
Alan Long (Geophysicist);
Andy Montez (Mechanical Technician);
Curtis Thompson (Chief Mate);
Darlene Condra (Watchstander);
Dave Aldridge (Watchstander);
Dennis Mann (Ch. Navigator);
Diane Minasian (Watchstander);
Gary Younse (Watchstander);
George Young (Watchstander);
Jack Lee (Electronics Technician);
Jean Newcombe (Watchstander);
Joe Edwards (Mechanical Technician);
Joe Metcalf (Electronics Technician);
Joe Simmons (Oceanographer);
John Simpson (Chief Engineer);
Karen Bachmann (Watchstander);
Kim Bennetts (Watchstander);
Lydia Shuff (Watchstander);
Mark Holmes (Geophysicist);
Mark Sander (Navigator);
Mike Fisher (Geophysicist);
Milt Randall (Watchstander);
Nina Morgan (Dafe Curator);
Pat McCrory (Navigator);
Paul Twichell (Mechanical Technician);
Beckie Larsen (Dafe Curator);
Bob Brune (Geophysicist);
Roland Von Huene (Chief Scientist);
Sharon Allshouse (Watchstander);
Terry Kelley (Electronics Technician);
Terry Ruff (Ship Captain);
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.L476WG.N]L476WG.012;
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/l476wg/grav/l-4-76-wg.162_012
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
04/26/88 BECKIE DUA0:[DATA.L476WG]L476WG.162;
DUA0:[DRS.EDIT]SKIPNSAVE.EXE;1
Free Air Anomaly data
04/25/88 BECKIE DUA0:[DATA.L476WG]L476WG.162;
DUA0:[DRS.GRV]GRAVRED.EXE;4
Free Air Anomaly data
12/24/85 BARB DUA0:[DATA.L476WG.G]L476WG.140;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
04/25/88 BECKIE DUA0:[DATA.L476WG]L476SKP.112;
DUA0:[DRS.EDIT]SKIPNSAVE.EXE;1
Raw gravity data from analog meter
01/16/85 BARB DUA0:[DATA.L476WG.G]L476WG.112
DRB0:[DRS.REFMT]REFORMAT.EXE;5
have only the gravity values for cruise starting at 1781300000
03/07/88 BECKIE DUA0:[DATA.L476WG]L476WG.071;
DUA0:[DRS.NAV]EOTCSSP.EXE;1
Eotvos/course/speed/distance data
03/07/88 BECKIE DUA0:[DATA.L476WG]L476WG.070;
DUA0:[DRS.NAV]EOTCSSP.EXE;1
Eotvos/course/speed/distance data
01/31/86 KAYE DUA0:[DATA.L476WG.N]L476WG.012;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
Input was...
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L476WG.N]L476WG.012;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 21-Jun-2012 (process 3 of 4)
-
Magnetics Data
06/21/2012 carolyn l-4-76-wg.260_012
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/l476wg/mag/l-4-76-wg.240_012
/bear/programs/edit/automerge/automerge
Converted to time format with year at start.
02/07/86 CAROLYN DRS$DATA:[L476WG.M]L476WG.240;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
179/2136-180/0553 was f.1 from Clint
180/0553-180/2310 was L476WG1.DRKPB1.MAGSD1 on TAM376
L476WG1240.DAT on VAM376
180/2310-183/0054 was f.2 from Clint
183/0105-183/0939 was f.3 from Clint
183/1423-184/0059 was f.4 from Clint
184/0059-186/0612 was f.5 from Clint
186/0648-189/0928 was f.6 from Clint
189/1343-192/0459 was f.7 from Clint
192/0459-205/0330 was L476WG2.DRCPF1.MAGSD1 on TAM376
L476WG2240.DAT on VAM376
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L476WG.N]L476WG.012;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 31-Oct-1998 (process 4 of 4)
-
Bathymetry Data
10/31/1998 /tiger/l/l476wg/bath/l-4-76-wg.335_012
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
02/11/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]L476WG.335;
DRB0:[DRS.BAT]BATRED.EXE;1
This file was hand-digetized in 2-way traveltime(secs).
It ws reduced using no Matthews correction and the
velocity of sound assumed was 1500m/sec.
Input was...
Converted to time format with year at start.
01/31/86 KAYE DUA0:[DATA.L476WG.N]L476WG.012;
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:
- Other_Citation_Details:
-
Fisher, M. A., von Huene, R. E., and Hampton, M. A., 1984,
Summary geologic report for petroleum lease sale 100, Kodiak Shelf, Alaska:
U.S. Geological Survey Open-File Report 84-24, 49 p., URL:
<A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8424>.
Fisher, Michael A., von Huene, Roland, and Steele, William Clinton, 1983,
Marine free-air gravity map of the western Gulf of Alaska, lower Cook Inlet, and Shelikof Strait, Alaska:
U.S. Geological Survey Open-File Report 83-52, 2 maps, URL:
<A HREF ="<http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>" target ="SW"><http://pubs.er.usgs.gov/usgspubs/ofr/ofr8352>.
- 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-4-76-wg.012 [DRS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197606260814000 197607120410000
197607120522000 197607120522000
197607120552000 197607120552000
197607120708000 197607120708000
197607120758000 197607120758000
197607120822000 197607120822000
197607121132000 197607121132000
197607121154000 197607121154000
197607121316000 197607121316000
197607121344000 197607121344000
197607121542000 197607121542000
197607121728000 197607121728000
197607121840000 197607121840000
197607121904000 197607121920000
197607122026000 197607122026000
197607122256100 197607130057300
197607130141200 197607152022300
197607152200400 197607172011400
197607172133300 197607180249300
197607180436000 197607180436000
197607180510000 197607180510000
197607180658000 197607180658000
197607181004400 197607200639000
197607201158500 197607210742200
197607210811000 197607230100000
197607230220000 197607230220000
197607230408000 197607230408000
197607230550000 197607230550000
197607230740000 197607240014100
197607240115100 197607251419500
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (l-4-76-wg.162_012)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197606261250000 197606261640000
197606261650000 197606261650000
197606261700000 197606272330000
197606272340000 197606272340000
197606272350000 197606280040000
197606280050000 197606280050000
197606280100000 197606282350000
197606290000000 197606290000000
197606290010000 197606290300000
197606290400000 197606290815000
197606290840000 197606291045000
197606291115000 197606291220000
197606291230000 197606291230000
197606291240000 197606291245000
197606291255000 197606291255000
197606291305000 197606291540000
197606291605000 197606291840000
197606291950000 197606300250000
197606300315000 197606302215000
197606302225000 197606302225000
197606302235000 197607010040000
197607010120000 197607010130000
197607010140000 197607010140000
197607010150000 197607010910000
197607010920000 197607010920000
197607010930000 197607022055000
197607022130000 197607022225000
197607022300000 197607030800000
197607030830000 197607031515000
197607031525000 197607031600000
197607031630000 197607031735000
197607031800000 197607040355000
197607040810000 197607041110000
197607041120000 197607041120000
197607041130000 197607041200000
197607041225000 197607041435000
197607041655000 197607042220000
197607042250000 197607042320000
197607050000000 197607050850000
197607050950000 197607051745000
197607051755000 197607051755000
197607051805000 197607051845000
197607051910000 197607060200000
197607060240000 197607061815000
197607061825000 197607061825000
197607061835000 197607070555000
197607070710000 197607071050000
197607071130000 197607071325000
197607071335000 197607071335000
197607071345000 197607071615000
197607071720000 197607072350000
197607080035000 197607081030000
197607081150000 197607081340000
197607111806500 197607111810500
197607112230400 197607112326400
197607120130400 197607120351400
197607120359000 197607120400200
197607120408400 197607120410400
197607120417200 197607122029400
197607122051400 197607122053000
197607122142200 197607122226200
197607122236400 197607122236400
197607122246100 197607130037300
197607130131200 197607141010400
197607141017400 197607141020400
197607141027300 197607152003100
197607152149000 197607161017000
197607161026200 197607161027000
197607161036100 197607180230300
197607180519000 197607180523000
197607180630200 197607200620400
197607200627000 197607200630000
197607200655100 197607200655100
197607201050500 197607210954000
197607211002000 197607211004000
197607211012000 197607230340200
197607230412000 197607232330200
197607232336200 197607232340200
197607232346100 197607251351100
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (l-4-76-wg.260_012)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197606272136050 197607010054420
197607010105420 197607010939270
197607011423140 197607012041540
197607012100000 197607012327460
197607012334460 197607021615560
197607021635080 197607040612240
197607040648030 197607050752400
197607050800170 197607050800220
197607051015570 197607052345120
197607060217060 197607070928150
197607071343540 197607080807210
197607121030000 197607132200000
197607132250000 197607150436000
197607150540000 197607180250000
197607180326000 197607180500000
197607180642000 197607180952000
197607181008000 197607182250000
197607182306000 197607191630000
197607191636000 197607210500000
197607210506000 197607221434000
197607221510000 197607230330000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (l-4-76-wg.335_012)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197606261100180 197606262301360
197606262350240 197606270058420
197606270300300 197606271358360
197606271415240 197606271928480
197606271944060 197606271953240
197606272006120 197606280214000
197606280233240 197606280619060
197606280629180 197606280629180
197606280641120 197606280641120
197606280651180 197606280657360
197606280708120 197606280743060
197606280758540 197606280826480
197606280837360 197606280837360
197606280850480 197606280947000
197606280958120 197606281037360
197606281048360 197606281048360
197606281100240 197606281108480
197606281121420 197606281121420
197606281136180 197606282227120
197606282239420 197606290321540
197606290348240 197606291239420
197606291416180 197606300133480
197606300147180 197606300231480
197606300337180 197606301658300
197606301710180 197606301958180
197606302009240 197607010046240
197607010058420 197607010634060
197607010730120 197607010938180
197607010948300 197607011012180
197607011024120 197607011054180
197607011106120 197607011113060
197607011125060 197607011230540
197607011242420 197607011502480
197607011517480 197607011529540
197607011643180 197607020513360
197607020523540 197607020937540
197607020949120 197607022148180
197607022200000 197607030207180
197607030223120 197607030648540
197607030709120 197607030946060
197607030956120 197607031440120
197607031451060 197607031511000
197607031522180 197607040945540
197607040956060 197607041633540
197607041645000 197607050723540
197607050751120 197607060256480
197607060313420 197607061610120
197607061623060 197607080214300
197607080227480 197607081428180
197607081629420 197607081911420
197607111928000 197607120007120
197607120047480 197607120119360
197607120156060 197607121251240
197607121303480 197607131059060
197607131113000 197607131844420
197607131910480 197607151418060
197607151428120 197607160958180
197607161032420 197607170251420
197607170305540 197607180248420
197607180309300 197607201222480
197607201236000 197607202348120
197607202358240 197607221423540
197607221438000 197607221445120
197607221457420 197607251418420
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Seismic Shots Data (l-4-76-wg.420_012)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197606290430000 197606290430000
197606290453000 197606290453000
197606290534000 197606290534000
197606290556000 197606290556000
197606290618000 197606290658000
197606290740000 197606290740000
197606290821000 197606290829000
197606292008000 197606292008000
197606292049000 197606292049000
197606292137000 197606292145000
197606292237000 197606292237000
197606292329000 197606292343000
197606300025000 197606300025000
197606300055000 197606300115000
197606300205000 197606300205000
197607011335000 197607011354000
197607011415000 197607011433000
197607011510000 197607011510000
197607011555000 197607011558000
197607011652000 197607011652000
197607011715000 197607011715000
197607011744000 197607011744000
197607011822000 197607011822000
197607011854000 197607011910000
197607011944000 197607011944000
197607012007000 197607012007000
197607012040000 197607012040000
197607012110000 197607012158000
197607012223000 197607012234000
197607012347000 197607020000250
197607020058000 197607020058000
197607020134000 197607020134000
197607020224000 197607020226000
197607020248000 197607020248000
197607020327000 197607020327000
197607020409000 197607020459000
197607020525000 197607020852000
197607021911000 197607022001000
197607022024000 197607022032000
197607022054000 197607022114000
197607022310000 197607022310000
197607022337000 197607022350000
197607030020000 197607030020000
197607030056000 197607030056000
197607030128000 197607030128000
197607030206000 197607030206000
197607030245000 197607030245000
197607030327000 197607030327000
197607030407000 197607030459000
197607030526000 197607030558000
197607030835000 197607031100000
197607031124000 197607031147000
197607031236000 197607031236000
197607031324000 197607031324000
197607031414000 197607031414000
197607031501000 197607031501000
197607031545000 197607031545000
197607031611000 197607031611000
197607032014000 197607032108000
197607032152000 197607032322000
197607032354000 197607032354000
197607040113000 197607040133000
197607040154000 197607040201000
197607040232000 197607040232000
197607040310000 197607040310000
197607040335000 197607040349000
197607040419000 197607040419000
197607040650000 197607040741000
197607040815000 197607040819000
197607040912000 197607040912000
197607040937000 197607040937000
197607041008000 197607041015000
197607041050000 197607041050000
197607041118000 197607041131000
197607041209000 197607041209000
197607041251000 197607041251000
197607041331000 197607041357000
197607041425000 197607041425000
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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-4-76-WG data set <http://walrus.wr.usgs.gov/infobank/l/l476wg/html/l-4-76-wg.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 07:20:12 2013
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