- Title:
-
Geophysical - multichannel seismic profiling, OBS refraction,
sonobuoy, XBT, gravity, multibeam bathy data of field
activity L-09-11-GA in Gulf of Alaska from 06/05/2011 to
06/25/2011
- Abstract:
-
United States Geological Survey,University of
Texas,University of Wyoming. Chief Scientists: Ginger Barth,
(USGS), Sean Gulick, (UTexas). Geophysical - multichannel
seismic profiling, OBS refraction, sonobuoy, XBT, gravity,
multibeam bathy data of field activity L-09-11-GA in Gulf of
Alaska from 06/05/2011 to 06/25/2011,
<http://walrus.wr.usgs.gov/infobank/l/l0911ga/html/l-09-11-ga.meta.html>.
- Supplemental_Information:
-
Notes -
AKA MGL11-09
2011 Gulf of Alaska, U.S. Extended Continental Shelf Project,
<a href="<http://continentalshelf.gov/missions/11missions/11alaska.html>"><http://continentalshelf.gov/missions/11missions/11alaska.html>
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 - multichannel seismic profiling, OBS refraction, sonobuoy, XBT, gravity, multibeam bathy data of field activity L-09-11-GA in Gulf of Alaska from 06/05/2011 to 06/25/2011: 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: -152.12600
- East_Bounding_Coordinate: -138.24900
- North_Bounding_Coordinate: 57.19880
- South_Bounding_Coordinate: 53.27950
- What does it look like?
- <http://walrus.wr.usgs.gov/infobank/l/l0911ga/html/l-09-11-ga.nav.gif> (GIF)
-
Trackline map of L-09-11-GA
- <http://walrus.wr.usgs.gov/infobank/l/l0911ga/html/l-09-11-ga.seis.gif> (GIF)
-
Seismic shot point data trackline map of L-09-11-GA
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 05-Jun-2011
- Ending_Date: 25-Jun-2011
- 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: 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 1983.
The ellipsoid used is Geodetic Reference System 80.
The semi-major axis of the ellipsoid used is 6378137.
The flattening of the ellipsoid used is 1/298.257.
- 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:
-
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?
Ginger Barth);
Jon Childs);
Pat Hart);
Ray Sliter);
Jenny White);
Pete Dal Ferro);
George Tate);
Sean Gulick (U Texas);
Bobby Reese (U Texas);
Maureen LeVoir (U Texas);
Kevin Johnson (U Texas);
Ryan Lester (U Texas);
Erik Everson (U Wyoming)
- 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: 20-Aug-2012 (process 1 of 1)
-
Navigation Data
08/20/2012 /infobank/l/l0911ga/nav/l-09-11-ga.060
time/lat/long style, multi-record, in caps, without tabs
temporal-spatial data
reformata
Input was...
08/17/2012 /infobank/l/l10911ga/seis/l-09-11-ga.410_mcs
08/17/2012 ray l-09-11-ga.410_mcs
merged segy times and shots with times frm p190 files
shot on distance (50 meters)
08/16/2012 ray l0911.nodup
08/16/2012 ray l0911ga_p190.060
time/lat/long style, multi-record, in caps, without tabs
8/15/2012 fwong@usgs.gov
C (common midpoint) records from p190 files for L-09-11-GA from
/seisdata5/l0911ga/ship_data/processed/sprint/
only V (vessel reference point) records available for MGL1109OBS2A
extracted by /we/florence/rsliter/p190export/export_p190.csh
modified from script provided by Bobby Reece, U of Texas
yyyydddmmhhsst, latitude, longitude, depth_m, shot_p190, x_utm06, y_utm06, lineid
1 2 3
3456789012345678901234567890123456
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-09-11-ga.060 [GPS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
201106081201320 201106081341570
201106081528110 201106090548450
201106090940100 201106091616170
201106091859020 201106092123410
201106092254010 201106101454130
201106101715480 201106101926440
201106110151280 201106111108080
201106111128110 201106120454060
201106120828330 201106141643090
201106141939270 201106150446520
201106150504000 201106160135500
201106160210000 201106161450240
201106161500000 201106161501100
201106161524070 201106161528340
201106161550580 201106170227130
201106170849070 201106172200280
201106172224290 201106180231440
201106180257390 201106190247210
201106190429050 201106190429270
201106190440240 201106191459560
201106191555030 201106201155530
201106210447410 201106211447350
201106211550450 201106222352440
201106230001150 201106230607180
201106230613110 201106241645130
201106241651180 201106241825540
201106241850560 201106242051110
201106242337420 201106252152360
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Seismic Shots Data (l-09-11-ga.410_mcs)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
201106081201320 201106081341570
201106081528110 201106090548450
201106090940100 201106091616170
201106091859020 201106092123410
201106092254010 201106101454130
201106101715480 201106101926440
201106110151280 201106111108080
201106111128110 201106120454060
201106120828330 201106141643090
201106141939270 201106150446520
201106150504000 201106160135500
201106160210000 201106161450240
201106161500000 201106161501100
201106161524070 201106161528340
201106161550580 201106170227130
201106170849070 201106172200280
201106172224290 201106180231440
201106180257390 201106190247210
201106190429050 201106190429270
201106190440240 201106191459560
201106191555030 201106201155530
201106210447410 201106211447350
201106211550450 201106222352440
201106230001150 201106230607180
201106230613110 201106241645130
201106241651180 201106241825540
201106241850560 201106242051110
201106242337420 201106252152360
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-09-11-GA data set <http://walrus.wr.usgs.gov/infobank/l/l0911ga/html/l-09-11-ga.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 07:19:33 2013
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