- Title:
-
Multi-Channel Seismic and Seismic Refraction data of field
activity EW9415 (E-15-94-SC) in Onshore/offshre Mojave
Desert-Los Angeles Basin-San Clemente Island from 10/13/1994
to 10/21/1994
- Abstract:
-
Lamont-Doherty Earth Observatory. Chief Scientist: Tom
Brocher. Multi-Channel Seismic and Seismic Refraction data
(airgun, 24channel) of field activity EW9415 (E-15-94-SC) in
Onshore/offshre Mojave Desert-Los Angeles Basin-San Clemente
Island from 10/13/1994 to 10/21/1994,
<http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.meta.html>.
- Supplemental_Information:
-
Equipment Used -
airgun large air-gun array
24channel multi-channel streamer and acquisition system on ewing
Publications -
Brocher, Thomas M., Clayton, Robert W., Klitgord, Kim D., Bohannon, Robert G., Sliter, Ray W., McRaney, John K., Gardner, James V., and Keene, J.B., 1995,
Multichannel seismic-reflection profiling on the R/V Maurice Ewing during the Los Angeles Region Seismic Experiment (LARSE), California:
U.S. Geological Survey Open-File Report 95-0228, 70 p., 3 sheets, URL:
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of95-228/of95-228.pdf>" target="OF"><http://geopubs.wr.usgs.gov/open-file/of95-228/of95-228.pdf>
Brocher, T.M., Klitgord, Kim D., Bohannon, R.G., Sliter, R.W., Clayton, Robert W., and ten Brink, Uri S., 1995,
Overview of shipboard work during the Los Angeles Region Seismic Experiment (LARSE):
American Geophysical Union Eos, Transactions, v. 76, no. 46, Supplement, p. 347.
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, Multi-Channel Seismic and Seismic Refraction data of field activity EW9415 (E-15-94-SC) in Onshore/offshre Mojave Desert-Los Angeles Basin-San Clemente Island from 10/13/1994 to 10/21/1994: 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: -119.71742
- East_Bounding_Coordinate: -117.66454
- North_Bounding_Coordinate: 34.01343
- South_Bounding_Coordinate: 32.62936
- What does it look like?
- <http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.nav.gif> (GIF)
-
Trackline map of E-15-94-SC
- <http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.grav.gif> (GIF)
-
Gravity data trackline map of E-15-94-SC
- <http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.mag.gif> (GIF)
-
Magnetics data trackline map of E-15-94-SC
- <http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.bath.gif> (GIF)
-
Bathymetry data trackline map of E-15-94-SC
- <http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.seis.gif> (GIF)
-
Seismic shot point data trackline map of E-15-94-SC
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 13-Oct-1994
- Ending_Date: 21-Oct-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:
-
Onshore/offshre Mojave Desert-Los Angeles Basin-San Clemente Island
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:
-
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?
Tom Brocher (Chief Scientist)
- 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: 11-Oct-2002 (process 1 of 4)
-
Navigation Data
03/12/2002 clint e-15-94-sc.060_n_all
/infobank/programs/refmt/lamont2daps/lamont2daps
Person who carried out this activity:
- Date: 12-Mar-2002 (process 2 of 4)
-
Gravity Data
03/12/2002 clint e-15-94-sc.160_060_kss30
/infobank/programs/refmt/lamont2daps/lamont2daps
Person who carried out this activity:
- Date: 20-Jun-2012 (process 3 of 4)
-
Magnetics Data
06/20/2012 carolyn e-15-94-sc.222_060
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/magred1111/magred1111.for
Using geodetic coordinate system (Earth shape approximated by spheriod)
with altitude 0.0 km (for sea level).
Input was...
03/12/2002 clint e-15-94-sc.220_060
/infobank/programs/refmt/lamont2daps/lamont2daps
Person who carried out this activity:
- Date: 12-Mar-2002 (process 4 of 4)
-
Bathymetry Data
03/12/2002 clint e-15-94-sc.320_060
/infobank/programs/refmt/lamont2daps/lamont2daps
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:
-
Brocher, Thomas M., Clayton, Robert W., Klitgord, Kim D., Bohannon, Robert G., Sliter, Ray W., McRaney, John K., Gardner, James V., and Keene, J.B., 1995,
Multichannel seismic-reflection profiling on the R/V Maurice Ewing during the Los Angeles Region Seismic Experiment (LARSE), California:
U.S. Geological Survey Open-File Report 95-0228, 70 p., 3 sheets, URL:
<A HREF="<http://geopubs.wr.usgs.gov/open-file/of95-228/of95-228.pdf>" target="OF"><http://geopubs.wr.usgs.gov/open-file/of95-228/of95-228.pdf>
Brocher, T.M., Klitgord, Kim D., Bohannon, R.G., Sliter, R.W., Clayton, Robert W., and ten Brink, Uri S., 1995,
Overview of shipboard work during the Los Angeles Region Seismic Experiment (LARSE):
American Geophysical Union Eos, Transactions, v. 76, no. 46, Supplement, p. 347.
- 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 (e-15-94-sc.060 [GPS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199410130000000 199410210520000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (e-15-94-sc.160_060_kss30)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199410130000000 199410140539000
199410140611000 199410140639000
199410140701000 199410141119000
199410141151000 199410141519000
199410141546000 199410141919000
199410141936000 199410142024000
199410142056000 199410142139000
199410142201000 199410142229000
199410142306000 199410142319000
199410142351000 199410210518000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (e-15-94-sc.222_060)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199410132000000 199410181623000
199410190534000 199410191709000
199410192004000 199410210439000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (e-15-94-sc.320_060)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199410131522000 199410131911000
199410131939000 199410142307000
199410142317000 199410161722000
199410161752000 199410162012000
199410162019000 199410180129000
199410180420000 199410180440000
199410180449000 199410180454000
199410180503000 199410180520000
199410180543000 199410180836000
199410180857000 199410210520000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Seismic Shots Data (e-15-94-sc.410_060)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199410131849177 199410140541373
199410141155425 199410151430289
199410151747107 199410170459094
199410170517279 199410170517491
199410170550013 199410181956520
199410182052555 199410191231414
199410191329273 199410201644025
199410201712137 199410201718444
199410201745128 199410201745128
199410201828191 199410210431303
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 EW9415 (E-15-94-SC) data set <http://walrus.wr.usgs.gov/infobank/e/e1594sc/html/e-15-94-sc.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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