- Title:
-
Geophysical data of field activity L-8-81-WG in Western Gulf
of Alaska from 07/04/1981 to 07/16/1981
- Abstract:
-
Chief Scientist: Terry Bruns. Geophysical data (3dot5khz,
12khz, gravity, dopplersonar, integratednavigation, RhoRho,
transitsatellite, airgun, airgunmonitor, sonobuoy, 24channel)
of field activity L-8-81-WG in Western Gulf of Alaska from
07/04/1981 to 07/16/1981,
<http://walrus.wr.usgs.gov/infobank/l/l881wg/html/l-8-81-wg.meta.html>.
- Supplemental_Information:
-
Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
gravity shipboard gravity
dopplersonar
integratednavigation
RhoRho Loran C Rho-Rho
transitsatellite
airgun single-channel airgun
airgunmonitor single-channel airgun monitor
sonobuoy
24channel 24-channel seismic
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-8-81-WG in Western Gulf of Alaska from 07/04/1981 to 07/16/1981: 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: -166.53174
- East_Bounding_Coordinate: -152.04260
- North_Bounding_Coordinate: 57.79134
- South_Bounding_Coordinate: 53.38086
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 04-Jul-1981
- Ending_Date: 16-Jul-1981
- 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?
Aaron Dunwald (Chief Engineer);
Barb Blubaugh (Navigator);
Bob Mallonee (Watchstander);
Bob Rothman (Chief Mate);
Donna Blackman (Navigator);
Frank Johnson (Ship Captain);
Gordon Tanner (Electronics Technician);
Guy Cochrane (Dafe Curator);
Kaye Kinoshita (Navigator);
Kevin O'Toole (Mechanical Technician);
Pat McClellan (Watchstander);
Paul Wenberg (Mechanical Technician);
Peter Schurch (Watchstander);
Rich Joyce (Electronics Technician);
Ross Voorhees (Watchstander);
Sue Hunt (Watchstander);
Terry Bruns (Chief Scientist)
- 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: 22-Jan-1996 (process 1 of 4)
-
Navigation Data
Converted to time format with year at start.
10/10/85 KAYE DUA0:[DATA.L881WG.N]L881WG.053;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 4)
-
Gravity Data
10/31/1998 /tiger/l/l881wg/grav/l-8-81-wg.151_053
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
10/15/85 BARB DRS$DATA:[L881WG.G]L881WG.151;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
Input was...
Converted to time format with year at start.
10/10/85 KAYE DUA0:[DATA.L881WG.N]L881WG.053;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 20-Jun-2012 (process 3 of 4)
-
Magnetics Data
06/20/2012 carolyn l-8-81-wg.220_053
Reprocessed using subroutines from Susan Macmillan's
IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
with IGRF-11 coeffiecients integrated into the source code.
/infobank/programs/mag/magred11/magred11.for
Using geodetic coordinate system (Earth shape approximated by spheriod)
with altitude 0.0 km (for sea level).
Input was...
10/31/1998 /tiger/l/l881wg/mag/l-8-81-wg.200_053
/bear/programs/edit/automerge/automerge
Converted to time format with year at start.
11/20/85 CAROLYN DRS$DATA:[L881WG.M]L881WG.200;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
was L881WG._.MAGSB1 on TAM183
was L881WG220.DAT on VAM183
Converted to time format with year at start.
10/10/85 KAYE DUA0:[DATA.L881WG.N]L881WG.053;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
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/l881wg/bath/l-8-81-wg.335_053
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
09/04/85 BECKIE DUA0:[DATA.L881WG.B]L881WG.335;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
This file was hand-digetized in 2-way traveltime(secs).
Input was...
Converted to time format with year at start.
10/10/85 KAYE DUA0:[DATA.L881WG.N]L881WG.053;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
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:
- 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-8-81-wg.053 [SINS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198107041842200 198107050154000
198107071354000 198107110742360
198107110755360 198107140421470
198107140434250 198107162105000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (l-8-81-wg.151_053)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198107042014180 198107042015180
198107042112420 198107042158420
198107042211420 198107042258420
198107042311420 198107050128420
198107061249420 198107061253420
198107071708180 198107080810300
198107080825300 198107081045300
198107081138240 198107081737300
198107081752300 198107081836300
198107081907300 198107090055240
198107090125180 198107090342180
198107090403180 198107090458180
198107090514180 198107091518300
198107091617300 198107091718300
198107091732300 198107091818300
198107091836300 198107091853300
198107091917300 198107092018300
198107092105300 198107092222300
198107092245300 198107100021300
198107100101300 198107100403480
198107100439480 198107101038480
198107101045120 198107101742300
198107101843300 198107110738540
198107110805540 198107111806300
198107111830180 198107112054360
198107112137420 198107112156420
198107112203300 198107120001300
198107120031300 198107121244240
198107121333300 198107130003300
198107130010060 198107130904300
198107130910420 198107131322420
198107131357420 198107131725420
198107131808060 198107140109180
198107140135180 198107140309180
198107140512240 198107140631240
198107140650240 198107140743240
198107140815240 198107140925240
198107141018360 198107141132360
198107141158540 198107141449060
198107141457120 198107141553120
198107141618120 198107141702180
198107141717180 198107142010240
198107142038240 198107151700240
198107151711240 198107152218240
198107152227180 198107160758180
198107160834480 198107161747000
198107161801000 198107162027240
198107162056240 198107162058240
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (l-8-81-wg.220_053)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198107071913400 198107081117120
198107081142250 198107090101200
198107090531200 198107101042480
198107101049120 198107111811160
198107111834180 198107112201080
198107112207320 198107130008000
198107130014040 198107130909080
198107130914440 198107131730000
198107131812040 198107141140520
198107141146560 198107152223210
198107152231170 198107160259370
198107160614200 198107160803000
198107160838480 198107161522240
198107162015410 198107162015570
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (l-8-81-wg.335_053)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198107081200060 198107081314480
198107081400000 198107081400000
198107081429540 198107081430540
198107081444480 198107081444480
198107081500000 198107081500000
198107081516000 198107081516000
198107081530060 198107081530060
198107081544420 198107081630000
198107081640240 198107081647360
198107081700000 198107081715540
198107081745000 198107081745000
198107081800000 198107081802240
198107081814360 198107081830000
198107081840420 198107082016360
198107082029540 198107082046120
198107082059120 198107082107060
198107082130000 198107082201120
198107082223060 198107090107300
198107090815000 198107090929540
198107090942180 198107091215360
198107091230060 198107091230060
198107091245000 198107091245000
198107091300420 198107091304120
198107091314360 198107091315420
198107091326240 198107091330180
198107091345000 198107091511300
198107091525000 198107091537240
198107091547300 198107091547300
198107091600000 198107091600000
198107091616180 198107091616180
198107091630240 198107091709060
198107091723060 198107091745240
198107091756300 198107091814300
198107091830000 198107091830000
198107091845120 198107091929480
198107091944420 198107092130000
198107092144540 198107092144540
198107092158060 198107092216300
198107092230120 198107092230120
198107092240360 198107092245000
198107092300000 198107092300000
198107092311420 198107092333060
198107092359180 198107092359180
198107100014000 198107100030540
198107100046120 198107100100000
198107100115540 198107100115540
198107100137060 198107100152060
198107100203060 198107100203060
198107100215000 198107100215000
198107100225300 198107100231060
198107100252060 198107100300000
198107100314120 198107100314120
198107100328060 198107100346540
198107100400000 198107100400000
198107100411000 198107101159060
198107101210420 198107101248360
198107101301360 198107101416300
198107101500180 198107102202060
198107102212300 198107110134240
198107110208540 198107110233240
198107110244120 198107110345120
198107110355360 198107110615240
198107110636240 198107110639480
198107110652180 198107111026060
198107111039360 198107111229480
198107111300180 198107111313120
198107111337060 198107111449420
198107111506360 198107111531000
198107111600000 198107111600000
198107111615000 198107111615000
198107111630120 198107111646300
198107111700000 198107111700000
198107111716360 198107111716360
198107111738060 198107111738060
198107111750180 198107111816360
198107111830060 198107111830060
198107111845000 198107111845000
198107111900180 198107111915000
198107111930360 198107111930360
198107111945060 198107112000000
198107112015060 198107112100120
198107112111420 198107112130420
198107112145180 198107112301000
198107112314480 198107120030120
198107120045180 198107120200000
198107120211000 198107120211000
198107120309240 198107120315000
198107120330000 198107120330000
198107120346480 198107120346480
198107120406000 198107120406000
198107120417540 198107120417540
198107120428000 198107120449240
198107120500000 198107120519480
198107120530240 198107120545240
198107120558480 198107120600000
198107120610240 198107120610240
198107120624540 198107120624540
198107120645000 198107120815420
198107120830000 198107120830000
198107120842180 198107120929480
198107120943420 198107120943420
198107120954000 198107121117000
198107121129540 198107121316000
198107121327480 198107121335540
198107121404360 198107121739540
198107121752540 198107121830540
198107121845240 198107121845240
198107121857180 198107121920360
198107121930480 198107122030000
198107122056180 198107122115300
198107122128360 198107130110300
198107130124480 198107130234000
198107130245060 198107130331000
198107130342000 198107130346120
198107130357240 198107130500000
198107130510420 198107130517060
198107130527360 198107130544540
198107130600000 198107130600000
198107130617180 198107130638240
198107130655180 198107130700000
198107130720420 198107130720420
198107130745000 198107130754180
198107130805420 198107130814540
198107130830000 198107130830000
198107130850360 198107130901420
198107130913240 198107130929540
198107130957060 198107130957060
198107131019420 198107131019420
198107131034060 198107131044540
198107131115000 198107131219240
198107131230000 198107131245060
198107131255300 198107131413120
198107131546540 198107132145060
198107132211060 198107140110180
198107140121420 198107140404360
198107140415060 198107140800000
198107140817180 198107140844480
198107140900000 198107141050300
198107141104240 198107141717180
198107141730480 198107141730480
198107141755240 198107142100540
198107142118060 198107142130000
198107142140060 198107142214420
198107142230360 198107142230360
198107142241540 198107142300480
198107142316120 198107142316120
198107142337120 198107142337120
198107142347540 198107150000000
198107150014540 198107150023480
198107150039300 198107150046420
198107150100120 198107150248360
198107150300000 198107150403360
198107150414540 198107150821300
198107150858000 198107151624540
198107151637000 198107151700120
198107151716180 198107151716180
198107151728420 198107151745120
198107151756300 198107160144540
198107160200180 198107160446420
198107160530120 198107160918000
198107160930360 198107160948000
198107161002060 198107161002060
198107161020120 198107161037120
198107161051000 198107161100540
198107161114060 198107161118180
198107161145240 198107161145240
198107161203180 198107161203180
198107161214540 198107161245060
198107161315540 198107161332540
198107161358180 198107161358180
198107161414300 198107161501300
198107161513120 198107161513120
198107161538000 198107161538000
198107161552300 198107161552300
198107161604360 198107161814300
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Seismic Shots Data (l-8-81-wg.420_053)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
198107090820510 198107090820510
198107090826310 198107092013010
198107092104020 198107092219580
198107092225120 198107100013140
198107100107000 198107100534470
198107100540160 198107101732530
198107101814230 198107102147040
198107102244290 198107112041030
198107112046130 198107112050190
198107112137100 198107112358440
198107120035370 198107121236440
198107121357170 198107121624300
198107121714460 198107121741270
198107121748020 198107122050560
198107122057240 198107122112470
198107122118360 198107122127160
198107122133410 198107130011460
198107130050020 198107131053550
198107131157100 198107131314480
198107131358410 198107131510020
198107131517100 198107140308400
198107140409370 198107140629460
198107140702380 198107141543270
198107141618470 198107142005160
198107142045520 198107142218210
198107142304240 198107150525310
198107150545290 198107150904210
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-8-81-WG data set <http://walrus.wr.usgs.gov/infobank/l/l881wg/html/l-8-81-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 07:20:32 2013
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