- Title:
-
Geophysical - multichannel seismic imaging, OBS refraction,
sonobuoy, XBT, CTD, gravity, multibeam bathymetry data of
field activity L-11-11-BS in Aleutian Basin of the central
Bering Sea from 08/06/2011 to 09/01/2011
- Abstract:
-
United States Geological Survey,National Oceanic and
Atmospheric Administration,Bureau of Ocean Energy
Management,University of Wyoming. Chief Scientists: Ginger
Barth, Warren Wood, NRL. Geophysical - multichannel seismic
imaging, OBS refraction, sonobuoy, XBT, CTD, gravity,
multibeam bathymetry data of field activity L-11-11-BS in
Aleutian Basin of the central Bering Sea from 08/06/2011 to
09/01/2011,
<http://walrus.wr.usgs.gov/infobank/l/l1111bs/html/l-11-11-bs.meta.html>.
- Supplemental_Information:
-
Notes -
AKA MGL11-11
2011 Bering Sea, U.S. Extended Continental Shelf Project,
<a href="<http://continentalshelf.gov/missions/11missions/11bering.html>"><http://continentalshelf.gov/missions/11missions/11bering.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/>, 20130522, Geophysical - multichannel seismic imaging, OBS refraction, sonobuoy, XBT, CTD, gravity, multibeam bathymetry data of field activity L-11-11-BS in Aleutian Basin of the central Bering Sea from 08/06/2011 to 09/01/2011: 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: 174.12082
- East_Bounding_Coordinate: -166.47903
- North_Bounding_Coordinate: 58.82082
- South_Bounding_Coordinate: 53.89318
- What does it look like?
- <http://walrus.wr.usgs.gov/infobank/l/l1111bs/html/l-11-11-bs.nav.gif> (GIF)
-
Trackline map of L-11-11-BS
- <http://walrus.wr.usgs.gov/infobank/l/l1111bs/html/l-11-11-bs.seis.gif> (GIF)
-
Seismic shot point data trackline map of L-11-11-BS
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 06-Aug-2011
- Ending_Date: 01-Sep-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: Aleutian Basin of the central Bering Sea
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:
-
Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
- Entity_and_Attribute_Overview:
-
Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.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);
Dave Scholl);
Peter Triezenberg);
Tom O'Brien);
Wayne Baldwin);
Nina Ivanova);
Jenny White);
Warren Wood (NRL);
Jennifer Henderson (OAA-NGDC);
Jorden Hayes (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-Nov-2012 (process 1 of 2)
-
Navigation Data
/infobank/l/l1111bs/nav/l-11-11-bs.061
time/lat/long style, multi-record, in caps, without tabs
temporal-spatial data
data acquisition systems! reformatted from /seismic5/ray/l1111bs/raw_nav/MGL1111_1min.r2nav
1 2 3
345678901234567890123456789012345678
Person who carried out this activity:
- Date: 30-Nov-2012 (process 2 of 2)
-
Bathymetry Data
/infobank/l/l1111bs/bath/l-11-11-bs.300_060
time/data style, multi-record, in caps, without tabs
temporal data
reformatted from MGL1111_EM122centerdepth.txt
1 2 3 4
34567890123456789012345678901234567890123456
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-11-11-bs.061 [GPS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
201108070000000 201108100021000
201108100232090 201108201140512
201108201145552 201108201150010
201108201155110 201108242139050
201108242144230 201108262310090
201108262316000 201109030010000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (l-11-11-bs.300_060)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
201108082138072 201108100701097
201108100800465 201108102039404
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-11-11-BS data set <http://walrus.wr.usgs.gov/infobank/l/l1111bs/html/l-11-11-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: 22-May-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 Wed May 22 15:39:58 2013
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