U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>
20130512
Geochemical and Geophysical data of field activity S-96-94-WG
in Western Gulf of Alaska from 07/28/1994 to 08/29/1994
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/s-96-94-wg.fmeta.xml
http://walrus.wr.usgs.gov/infobank/s/s9694wg/html/s-96-94-wg.meta.html
Chief Scientists: Roland Von Huene, Ernst Flueh.
Geochemical and Geophysical data (bathymetry, magnetics,
bottomseismometer) of field activity S-96-94-WG in Western
Gulf of Alaska from 07/28/1994 to 08/29/1994,
http://walrus.wr.usgs.gov/infobank/s/s9694wg/html/s-96-94-wg.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
bathymetry hydrosweep bathymetry
magnetics
bottomseismometer 6 khz, obs refraction
Notes -
USGS contact: Mike Fisher
(from 9/2/94 USGS Bulletin) During July the German research ship Sonne
conducted geochemical and geophysical research in the Gulf of Alaska. Chief
scientists Roland Von Huene and Ernst Flueh of GEOMAR in Germany were
interested in measuring the flux of greenhouse gasses from the accretionary
wedge near the Aleutian Trench. Multichannel seismic and Hydrosweep
bathymetric data provided initial clues to locate potential fluid seeps, and
the geochemists investigated likely sites using a video-camera sled. Although
we found no obvious seeps, ever optimistic scientists hoped that the following
cruise would identify additional sites for detailed analysis. Another research
goal was to collect detailed seismic-velocity information from accreted rocks
near the trench. From these data, geophysicists hoped to calculate gradients
in the degree of compaction of accreted sediment as well as the volume of
fluid expelled. The seismic source was two monstrous (2000 cu. in. each) air
guns. Ten OBSs were deployed repeatedly with great success in this endeavor.
Unfortunately, foul weather foiled our attempt to measure the seismic velocity
of highly reflective rocks that form the middle and lower crust of the
accretionary complex near lower Cook Inlet. The highlight of the cruise came
with our realization that enigmatic features in USGS and Hydrosweep data
revealed collision scars that resulted from subduction of seamounts and
collision of the Yakutat terrane. Mike Fisher
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.).
19940728
19940829
ground condition
As needed
-156.00000
-144.25000
61.75000
54.00000
ISO 19115 Topic Category
geoscientificinformation
oceans
Global Change Master Directory (GCMD)
EARTH SCIENCE > OCEANS
USGS CMG InfoBank
Marine Geology
USGS CMG InfoBank
AK
USA
Western Gulf of Alaska
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>
Roland Von Huene (Chief Scientist, USGS Western Region);
Ernst Flueh (Chief Scientist, GEOMAR)
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 (s-96-94-wg.050 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>199401010101000 199401050101000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
Unknown
20110113
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>
Western Gulf of Alaska
Point
Point
0.00001
0.00001
Decimal degrees
North American Datum of 1983
Geodetic Reference System 80
6378137
298.257
Local surface
0.1
meters
Attribute values
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 S-96-94-WG data set <http://walrus.wr.usgs.gov/infobank/s/s9694wg/html/s-96-94-wg.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
0.1
http://walrus.wr.usgs.gov/infobank/s/s9694wg/html/s-96-94-wg.nav.html
None
20130512
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