- Title:
-
Geological and Geophysical data of field activity A-1-94-YB
in Yakutat Bay and Yakutat Sea Valley, Alaska from
08/05/1994 to 08/08/1994
- Abstract:
-
United States Geological Survey, Menlo Park, California.
Chief Scientists: Ellen Cowan, Ross Powell, Paul Carlson, Rob
Kayen. Geological and Geophysical data (Huntec, 12khz,
gravitycore, Shipekgrab, boxcore) of field activity A-1-94-YB
in Yakutat Bay and Yakutat Sea Valley, Alaska from 08/05/1994
to 08/08/1994,
<http://walrus.wr.usgs.gov/infobank/a/a194yb/html/a-1-94-yb.meta.html>.
- Supplemental_Information:
-
Equipment Used -
Huntec deep-tow high res. seismic reflection profiler
12khz echo sounder
gravitycore
Shipekgrab
boxcore
Notes -
Related field activities: A194GB, A194BG, A194PW
Publications -
Cowan, Ellen A., Carlson, Paul R., and Powell, Ross D., 1996, The marine
record of the Russell Fiord outburst flood, Alaska, U.S.A.: Cambridge,
International Glaciological Society, Annals of Glaciology, v. 22, p. 194-199.
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, Geological and Geophysical data of field activity A-1-94-YB in Yakutat Bay and Yakutat Sea Valley, Alaska from 08/05/1994 to 08/08/1994: 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: -141.64301
- East_Bounding_Coordinate: -138.99983
- North_Bounding_Coordinate: 60.03567
- South_Bounding_Coordinate: 59.06033
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 05-Aug-1994
- Ending_Date: 08-Aug-1994
- 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: Yakutat Bay and Yakutat Sea Valley, 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:
-
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>
- Entity_and_Attribute_Overview:
-
Samples with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/samp.html>
- Entity_and_Attribute_Detail_Citation:
-
"time/lat/long style, multi-record, in caps, without tabs"
Mnemonic: "(Year, DayOfYear, UTCHour, Min, Sec, Tenths, Lat, Long, ActivityID, EquipmentType, Depth, DepthUnits, Line, Station, Roll, Comments) [DAPS]"
FORTRAN format: "(Year, DayOfYear, UTCHour, Min, Sec, Tenths, Hundredths, Lat, Long, ActivityID, EquipmentType, Depth, DepthUnits, Line, Station, Roll, Comments) [DAPX]"
C format: "(i4.4, i3.3, 3i2.2, i1.1, t16, f9.5, t26, f10.5, t37, a, t45, a24, t70, f6.1, t78, a1, t80, a9, t90, a9, t100, a9, t110, a) [DAPS]"
Naming: .onoff.GRAV_EQUIPMENT_TYPE
- Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
- Who also contributed to the data set?
Ellen Cowan (Chief Scientist, Appalachian State University);
Ross Powell (Chief Scientist, North Illinois University);
Paul Carlson (Chief Scientist, USGS Western Region);
Rob Kayen (Chief Scientist, USGS Western Region)
- 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: 05-Dec-1995 (process 1 of 2)
-
Navigation Data
Converted to time format with year at start.
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 2)
-
Bathymetry Data
10/31/1998 /lion/a/a194yb/bath/a-1-94-yb.321_064
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
ime, uncorrected depth
Input was...
Converted to time format with year at start.
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:
-
Cowan, Ellen A., Carlson, Paul R., and Powell, Ross D., 1996, The marine
record of the Russell Fiord outburst flood, Alaska, U.S.A.: Cambridge,
International Glaciological Society, Annals of Glaciology, v. 22, p. 194-199.
- 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 (a-1-94-yb.064 [GPS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199408051533120 199408072057020
199408072112430 199408081714040
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (a-1-94-yb.321_064)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199408062105000 199408062219000
199408062235000 199408070048000
199408070058000 199408070339000
199408070612000 199408070754000
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 A-1-94-YB data set <http://walrus.wr.usgs.gov/infobank/a/a194yb/html/a-1-94-yb.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>)
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