- Title:
-
Geophysical data of field activity G-65-79-MX in Mexico from
01/20/1979 to 03/13/1979
- Abstract:
-
Chief Scientists: B.T.R. Lewis, P. Robinson. Geophysical
data (transitsatellite, 3dot5khz, 12khz, magnetics, airgun,
bathymetry) of field activity G-65-79-MX in Mexico from
01/20/1979 to 03/13/1979,
<http://walrus.wr.usgs.gov/infobank/g/g6579mx/html/g-65-79-mx.meta.html>.
- Supplemental_Information:
-
Equipment Used -
transitsatellite
3dot5khz
12khz
magnetics Geometrics magnetometer
airgun 20 to 300 cu. in. airgun
bathymetry 10 to 300 hz EDO
Notes -
Scripps Institution of Oceanography
Publications -
Core Data from the Deep Sea Drilling Project, Leg 65:
<A HREF="<http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/65/leg65.htm>"><http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/65/leg65.htm>
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 data of field activity G-65-79-MX in Mexico from 01/20/1979 to 03/13/1979: 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: -120.75000
- East_Bounding_Coordinate: -106.00000
- North_Bounding_Coordinate: 33.75000
- South_Bounding_Coordinate: 20.00000
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 20-Jan-1979
- Ending_Date: 13-Mar-1979
- 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: Mexico
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 1927.
The ellipsoid used is Clarke 1866.
The semi-major axis of the ellipsoid used is 6378206.4.
The flattening of the ellipsoid used is 1/294.98.
- 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:
-
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>
- Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
- Who also contributed to the data set?
B.T.R. Lewis (Chief Scientist);
P. Robinson (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: 14-Dec-1999 (process 1 of 3)
-
Navigation Data
01/30/1998 clint g-65-79-mx.050
/bear/programs/ngdc/unrefngdc/unrefngdc
Integrated navigation (SINS) data
Person who carried out this activity:
- Date: 20-Jun-2012 (process 2 of 3)
-
Magnetics Data
06/20/2012 carolyn g-65-79-mx.221_050
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...
10/31/1998 /tiger/g/g6579mx/mag/g-65-79-mx.220_050
/bear/programs/edit/automerge/automerge
01/30/1998 clint g-65-79-mx.220
/bear/programs/ngdc/unrefngdc/unrefngdc
Edited magnetics data
01/30/1998 clint g-65-79-mx.050
/bear/programs/ngdc/unrefngdc/unrefngdc
Integrated navigation (SINS) data
time, lat, long, time(sec) to nearest nav fix, data values
Person who carried out this activity:
- Date: 07-Nov-2000 (process 3 of 3)
-
Bathymetry Data
10/31/1998 /tiger/g/g6579mx/bath/g-65-79-mx.320_050
/bear/programs/edit/automerge/automerge
Input was...
01/30/1998 clint g-65-79-mx.320
/bear/programs/ngdc/unrefngdc/unrefngdc
Edited bathymetry data with corrected depths
Input was...
01/30/1998 clint g-65-79-mx.050
/bear/programs/ngdc/unrefngdc/unrefngdc
Integrated navigation (SINS) data
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:
-
Core Data from the Deep Sea Drilling Project, Leg 65:
<A HREF="<http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/65/leg65.htm>"><http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/65/leg65.htm>
- 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 (g-65-79-mx.050 [SINS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197901210320000 197901212355000
197901220005000 197901222355000
197901230005000 197901232355000
197901240005000 197901242025000
197902121920000 197902122355000
197902130005000 197902130215000
197902220255000 197902222330000
197903031305000 197903032355000
197903040005000 197903041005000
197903050620000 197903051450000
197903061740000 197903062355000
197903070005000 197903072355000
197903080005000 197903082355000
197903090005000 197903092355000
197903100005000 197903102355000
197903110005000 197903112355000
197903120005000 197903122355000
197903130005000 197903131035000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (g-65-79-mx.221_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197901210320000 197901242015000
197902121935000 197902130215000
197903031325000 197903031715000
197903050635000 197903051415000
197903130420000 197903131030000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (g-65-79-mx.320_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197901210320000 197901242020000
197902121920000 197902130215000
197903031305000 197903031715000
197903050620000 197903051415000
197903130400000 197903131030000
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 G-65-79-MX data set <http://walrus.wr.usgs.gov/infobank/g/g6579mx/html/g-65-79-mx.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 07:17:05 2013
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