- Title:
-
Geophysical data of field activity L-8-77-BS in Bering Sea,
Alaska from 07/29/1977 to 08/21/1977
- Abstract:
-
Chief Scientists: Alan Cooper, Mike Marlow. Geophysical
data (sonobuoy, uniboom, sparker, 12khz, airgun, Burgairgun,
3dot5khz, gravity, 24channel, Digitrack, gradiometer,
dopplersonar, integratednavigation, RhoRho, transitsatellite,
airgunmonitor) of field activity L-8-77-BS in Bering Sea,
Alaska from 07/29/1977 to 08/21/1977,
<http://walrus.wr.usgs.gov/infobank/l/l877bs/html/l-8-77-bs.meta.html>.
- Supplemental_Information:
-
Equipment Used -
sonobuoy
uniboom
sparker
12khz 12 khz bathymetry
airgun single-channel airgun
Burgairgun Burg seismic
3dot5khz 3.5 khz bathymetry
gravity
24channel 24-channel seismic
Digitrack
gradiometer
dopplersonar
integratednavigation
RhoRho
transitsatellite
airgunmonitor
Publications -
Childs, J.R., and Cooper, A.K., 1979, Marine seismic sonobuoy data from the
Bering Sea region: U.S. Geological Survey Open-File Report 79-371, 4 p.
Marlow, M.S., and Cooper, A.K., 1979, Multichannel seismic-reflection profiles
collected in 1977 in the northern Bering Sea: U.S. Geological Survey Open-File
Report 79-1147, 3 p. URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr791147>" TARGET ="of"><http://pubs.er.usgs.gov/publication/ofr791147>
Additional publication information at:
<A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/13583>" TARGET ="NEW"><http://www.dggs.dnr.state.ak.us/pubs/id/13583>
Childs, J.R., Cooper, A.K., and Parker, A.W., 1979, Sonobuoy studies of Umnak
Plateau, Bering Sea: American Geophysical Union Eos, Transactions, v. 60, no. 18, p. 390.
Cooper, A.K., Childs, J.R., Scholl, D.W., Marlow, M.S., Gardner, J.V., 1979,
Evolution of Umnak Plateau, Bering Sea: American Geophysical Union Eos,
Transactions, v. 60, no. 18, p. 390.
Childs, J.R., Cooper, A.K., and Wright, A.W., 1981, Residual magnetic map of
Umnak Plateau region, southeastern Bering Sea: U.S. Geological Survey
Geophysical Investigations Map GP-0939, 1 sheet.
Cooper, Alan K., Marlow, Michael S., and Mann, Dennis M., 1986, Multichannel
seismic-reflection profiles collected in 1977 in the northern Bering Sea:
U.S. Geological Survey Open-File Report 86-0207, 4 p. URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr86207>" TARGET ="of"><http://pubs.er.usgs.gov/publication/ofr86207>
Additional publication information at:
<A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/11642>" target ="NEW"><http://www.dggs.dnr.state.ak.us/pubs/id/11642>
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-8-77-BS in Bering Sea, Alaska from 07/29/1977 to 08/21/1977: 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: 176.71246
- East_Bounding_Coordinate: -152.02892
- North_Bounding_Coordinate: 64.48405
- South_Bounding_Coordinate: 54.18311
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 29-Jul-1977
- Ending_Date: 21-Aug-1977
- 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: Bering Sea, 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?
A-Lan Von Hornlein (Watchstander);
Alan Cooper (Chief Scientist);
Bob Novak (Electronics Technician);
Carrie Carpenter (Dafe Curator);
Cassie Oetken (Watchstander);
Don Tompkins (Geophysicist);
Frank Johnson (Chief Mate);
Glen Barker (Mechanical Technician);
Graig McHendrie (Navigator);
Jim Joyce (Watchstander);
John Simpson (Chief Engineer);
Jon Childs (Geophysicist);
Jon Erickson (Mechanical Technician);
Mike Marlow (Chief Scientist);
Paul Kolling (Watchstander);
Paula Shryock (Navigator);
Sven Keinanen (Ship Captain);
Terry Kelley (Electronics Technician);
Vaughn Marshall (Geophysicist)
- 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: 30-Oct-2000 (process 1 of 4)
-
Navigation Data
Converted to time format with year at start.
01/24/86 KAYE DUA0:[DATA.L877BS.N]L877BS.011;
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/l877bs/grav/l-8-77-bs.165_011
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
05/02/86 CLINT DUA0:[DATA.L877BS]L877BS.165;
DRB0:[CLINT]REFMTJCGRV.EXE;
reformatted from JChilds file l877.smgrv
Input was...
Converted to time format with year at start.
01/24/86 KAYE DUA0:[DATA.L877BS.N]L877BS.011;
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-8-77-bs.260_011
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/l877bs/mag/l-8-77-bs.240_011
/bear/programs/edit/automerge/automerge
Converted to time format with year at start.
01/02/86 CAROLYN DRS$DATA:[L877BS.M]L877BS.240;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
212/1022-213/0104 was L877EG.DRCPF1.GRVMA1 on TAM302
213/0104-213/1756 was F.3 from Clint
215/0526-216/0231 was L877EG.DRCPF1.GRVMA3 on TAM302
216/0231-216/2350 was L877EG.DRCPF1.GRVMA4 on TAM303
216/2350-218/0851 was L877EG.DRCPF1.GRVMA5 on TAM150
218/0852-219/1907 was L877EG.DRCPF1.GRVMA6 on TAM150
219/1907-221/0126 was L877EG.DRCPF1.GRVMA7 on TAM205
221/0126-221/1540 was L877EG.DRCPF1.GRVMA8 on TAM205
229/0610-229/1750 was L877EG.DRCPF1.GRVMA10 on TAM305
229/1750-232/0817 was L877EG.DRCPF1.GRVMA11 on TAM301
232/0817-232/1440 was L877EG.DRCPF1.GRVMA12 on TAM301
Converted to time format with year at start.
01/24/86 KAYE DUA0:[DATA.L877BS.N]L877BS.011;
DRB0:[DRS.REFMT]REFORMAT.EXE;5
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 31-Oct-1998 (process 4 of 4)
-
Bathymetry Data
10/31/1998 /tiger/l/l877bs/bath/l-8-77-bs.335_011
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
02/03/86 BECKIE DISK$USERDISK:[BECKIE.TEMP]L877BS.335;
DRB0:[DRS.BAT]BATRED.EXE;1
This file was hand-digetized in 2-way traveltime(secs).
It was reduced with no Matthews area. Sound velocity
assumed was 1500m/sec.
Input was...
Converted to time format with year at start.
01/24/86 KAYE DUA0:[DATA.L877BS.N]L877BS.011;
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:
-
Childs, J.R., and Cooper, A.K., 1979, Marine seismic sonobuoy data from the
Bering Sea region: U.S. Geological Survey Open-File Report 79-371, 4 p.
Marlow, M.S., and Cooper, A.K., 1979, Multichannel seismic-reflection profiles
collected in 1977 in the northern Bering Sea: U.S. Geological Survey Open-File
Report 79-1147, 3 p. URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr791147>" TARGET ="of"><http://pubs.er.usgs.gov/publication/ofr791147>
Additional publication information at:
<A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/13583>" TARGET ="NEW"><http://www.dggs.dnr.state.ak.us/pubs/id/13583>
Childs, J.R., Cooper, A.K., and Parker, A.W., 1979, Sonobuoy studies of Umnak
Plateau, Bering Sea: American Geophysical Union Eos, Transactions, v. 60, no. 18, p. 390.
Cooper, A.K., Childs, J.R., Scholl, D.W., Marlow, M.S., Gardner, J.V., 1979,
Evolution of Umnak Plateau, Bering Sea: American Geophysical Union Eos,
Transactions, v. 60, no. 18, p. 390.
Childs, J.R., Cooper, A.K., and Wright, A.W., 1981, Residual magnetic map of
Umnak Plateau region, southeastern Bering Sea: U.S. Geological Survey
Geophysical Investigations Map GP-0939, 1 sheet.
Cooper, Alan K., Marlow, Michael S., and Mann, Dennis M., 1986, Multichannel
seismic-reflection profiles collected in 1977 in the northern Bering Sea:
U.S. Geological Survey Open-File Report 86-0207, 4 p. URL:
<A HREF ="<http://pubs.er.usgs.gov/publication/ofr86207>" TARGET ="of"><http://pubs.er.usgs.gov/publication/ofr86207>
Additional publication information at:
<A HREF ="<http://www.dggs.dnr.state.ak.us/pubs/id/11642>" target ="NEW"><http://www.dggs.dnr.state.ak.us/pubs/id/11642>
- 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-8-77-bs.011 [DRS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197707290240000 197708121458500
197708121514300 197708121514300
197708121529300 197708121529300
197708121544300 197708121544300
197708121559300 197708121559300
197708121614300 197708121614300
197708121629300 197708121629300
197708121644300 197708121644300
197708121659300 197708121659300
197708121715100 197708171214200
197708171247100 197708200109100
197708200127040 197708211622000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (l-8-77-bs.165_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197707300403420 197707300533480
197707300542120 197708010156420
197708010228300 197708010432420
197708010857000 197708011425000
197708011430120 197708011744180
197708011806300 197708012344420
197708020016420 197708022155120
197708030446120 197708040603300
197708040700300 197708041326300
197708041544000 197708050906180
197708050913180 197708052303300
197708052317000 197708060059120
197708060645180 197708062240300
197708070315180 197708081540420
197708081736480 197708090553180
197708090602300 197708091540420
197708092142420 197708100244420
197708100806480 197708100958480
197708101100480 197708102058480
197708110834120 197708111226120
197708111231180 197708120257300
197708120324300 197708120500300
197708120552300 197708130230180
197708130346300 197708140558180
197708140824180 197708150314420
197708150814420 197708152358420
197708160124420 197708162158420
197708162206180 197708171210180
197708171242120 197708171624120
197708171722120 197708181246120
197708181336120 197708190112120
197708190135120 197708192203120
197708200140000 197708201441000
197708202131000 197708211359000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (l-8-77-bs.260_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197707311022060 197707311155080
197707311218090 197708011756080
197708030526220 197708041753570
197708041801560 197708052055460
197708052101460 197708060059530
197708060720190 197708062236560
197708070457410 197708070532050
197708070549130 197708081539380
197708081726090 197708081729210
197708081738170 197708091540320
197708170610350 197708180942470
197708200141430 197708201440050
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (l-8-77-bs.335_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197707300628180 197707310019540
197707310030360 197707312359180
197708010009300 197708011014180
197708011027360 197708011028540
197708011041480 197708030827420
197708051036180 197708051203240
197708060102480 197708060211120
197708060222060 197708060222060
197708060232180 197708060641120
197708062239060 197708070309420
197708080902060 197708081132000
197708081143540 197708081143540
197708081156420 197708081734000
197708102101240 197708110829300
197708170335240 197708170512300
197708170628540 197708170701240
197708170740120 197708171932540
197708171944240 197708181221180
197708181234000 197708190122120
197708192234240 197708192358480
197708200144000 197708200158240
197708201303180 197708202003240
197708202013300 197708210542540
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Seismic Shots Data (l-8-77-bs.422_011)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197708030735000 197708031949000
197708032016000 197708040349000
197708040419000 197708040731000
197708040753000 197708041323000
197708041506000 197708041658000
197708041727000 197708041727000
197708041751000 197708041751000
197708041813000 197708041830000
197708041856000 197708050132000
197708050153000 197708051233000
197708051254000 197708060100000
197708060642000 197708062223000
197708070302000 197708070302000
197708070331000 197708070346000
197708070408000 197708070917000
197708070938000 197708071225000
197708071246000 197708071355000
197708071416000 197708080454000
197708080523000 197708081542000
197708081730000 197708081730000
197708081755000 197708090137000
197708090208000 197708090745000
197708090831000 197708090831000
197708090901000 197708090955000
197708091017000 197708091544000
197708101152000 197708101711000
197708101732000 197708101732000
197708101754000 197708101823000
197708101844000 197708101844000
197708101905000 197708101925000
197708101946000 197708101956000
197708102017000 197708102037000
197708102058000 197708102058000
197708110830000 197708111518000
197708111551000 197708112052000
197708112113000 197708120300000
197708120320220 197708120449350
197708120550090 197708130219200
197708130345430 197708140601390
197708140820000 197708141447000
197708141508000 197708141710000
197708141746000 197708142027000
197708142052000 197708142136000
197708142157000 197708150311000
197708150810000 197708151417000
197708151449000 197708151738000
197708151807000 197708152039000
197708152111000 197708152355000
197708160122000 197708161830000
197708161902000 197708162139000
197708162212000 197708170332000
197708170405000 197708170919000
197708170946000 197708170946000
197708171009000 197708171620000
197708171802040 197708181239090
197708181335000 197708192201520
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-8-77-BS data set <http://walrus.wr.usgs.gov/infobank/l/l877bs/html/l-8-77-bs.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 07:20:31 2013
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