- Title:
-
Data of field activity V-1-78-IN in Capetown, South Africa-->
Mahe, Seychelles from 02/18/1978 to 03/05/1978
- Abstract:
-
Chief Scientist: J. Cochran. Data (bathymetry, gravity,
magnetics, navigation) of field activity V-1-78-IN in
Capetown, South Africa--> Mahe, Seychelles from 02/18/1978 to
03/05/1978,
<http://walrus.wr.usgs.gov/infobank/v/v178in/html/v-1-78-in.meta.html>.
- Supplemental_Information:
-
Equipment Used -
bathymetry data directory exists
gravity data directory exists
magnetics data directory exists
navigation data directory exists
Notes -
Lamont-Doherty
<http://www.ldeo.columbia.edu/>
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, Data of field activity V-1-78-IN in Capetown, South Africa--> Mahe, Seychelles from 02/18/1978 to 03/05/1978: 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: 17.97480
- East_Bounding_Coordinate: 55.50150
- North_Bounding_Coordinate: -4.95700
- South_Bounding_Coordinate: -36.02510
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 18-Feb-1978
- Ending_Date: 05-Mar-1978
- 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: Capetown, South Africa--> Mahe, Seychelles
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:
-
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>
- Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
- Who also contributed to the data set?
J. Cochran (Chief Scientist, Lamont-Doherty)
- 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: 30-Jan-1998 (process 1 of 4)
-
Navigation Data
01/30/1998 clint v-1-78-in.050
/bear/programs/ngdc/unrefngdc/unrefngdc
Integrated navigation (SINS) data
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 4)
-
Gravity Data
10/31/1998 /tiger/v/v178in/grav/v-1-78-in.160_050
/bear/programs/edit/automerge/automerge
Input was...
01/30/1998 clint v-1-78-in.160
/bear/programs/ngdc/unrefngdc/unrefngdc
Free Air Anomaly data
Input was...
01/30/1998 clint v-1-78-in.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: 20-Jun-2012 (process 3 of 4)
-
Magnetics Data
06/20/2012 carolyn v-1-78-in.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/v/v178in/mag/v-1-78-in.220_050
/bear/programs/edit/automerge/automerge
01/30/1998 clint v-1-78-in.220
/bear/programs/ngdc/unrefngdc/unrefngdc
Edited magnetics data
01/30/1998 clint v-1-78-in.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: 31-Oct-1998 (process 4 of 4)
-
Bathymetry Data
10/31/1998 /tiger/v/v178in/bath/v-1-78-in.320_050
/bear/programs/edit/automerge/automerge
Input was...
01/30/1998 clint v-1-78-in.320
/bear/programs/ngdc/unrefngdc/unrefngdc
Edited bathymetry data with corrected depths
Input was...
01/30/1998 clint v-1-78-in.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:
- 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 (v-1-78-in.050 [SINS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197802181200000 197802211434000
197802211746000 197802211746000
197802211810000 197802231810000
197802231848000 197802231848000
197802231900000 197802240704000
197802240726000 197802240726000
197802240756000 197802241606000
197802241626000 197802241630000
197802241822000 197802241822000
197802241850000 197802241850000
197802241920000 197802241920000
197802242036000 197802242036000
197802242230000 197803030603000
197803030709000 197803051030000
197803051048000 197803051048000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (v-1-78-in.160_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197802201600000 197802201850000
197802201910000 197802201950000
197802202010000 197802210900000
197802210940000 197802211300000
197802211330000 197802211430000
197802211810000 197802211830000
197802211900000 197802220420000
197802220540000 197802220600000
197802220700000 197802220720000
197802220800000 197802230600000
197802230620000 197802230750000
197802230810000 197802231810000
197802231930000 197802232200000
197802232220000 197802232300000
197802232330000 197802240110000
197802240140000 197802240640000
197802240900000 197802241150000
197802241230000 197802241600000
197802242300000 197802250550000
197802250620000 197802250940000
197802251000000 197802251340000
197802251400000 197802251700000
197802251730000 197802251920000
197802251950000 197802260230000
197802260300000 197802260500000
197802260550000 197802261040000
197802261100000 197802261510000
197802261530000 197802261910000
197802261930000 197802270310000
197802270350000 197802270430000
197802270520000 197802270530000
197802270610000 197802270630000
197802270650000 197802271400000
197802271450000 197802271850000
197802271950000 197802272240000
197802272330000 197802280440000
197802280510000 197802281000000
197802281030000 197802281500000
197802281520000 197802281940000
197802282010000 197802282030000
197802282050000 197802282100000
197802282140000 197803010310000
197803010400000 197803010500000
197803010540000 197803011500000
197803011530000 197803012130000
197803012210000 197803021030000
197803021050000 197803021440000
197803021510000 197803021530000
197803021610000 197803021620000
197803021700000 197803021730000
197803021750000 197803022200000
197803022240000 197803030530000
197803030810000 197803031100000
197803031120000 197803031330000
197803031400000 197803031840000
197803031900000 197803032030000
197803032120000 197803032350000
197803040020000 197803040650000
197803040720000 197803041330000
197803041400000 197803041500000
197803041520000 197803041520000
197803041600000 197803050450000
197803050520000 197803050600000
197803050620000 197803050800000
197803050830000 197803050900000
197803050920000 197803050950000
197803051020000 197803051020000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (v-1-78-in.221_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197802181300000 197802181954000
197802182018000 197802182254000
197802182312000 197802191006000
197802191018000 197802191300000
197802191400000 197802200042000
197802200054000 197802211400000
197802211842000 197802220600000
197802220642000 197802221430000
197802221442000 197802231800000
197802231912000 197802232230000
197802240130000 197802240642000
197802241100000 197802241600000
197802242330000 197802250030000
197802250100000 197802250230000
197802250300000 197802250300000
197802250636000 197802250924000
197802251206000 197802251230000
197802251242000 197802251330000
197802251436000 197802252030000
197802252048000 197802260900000
197802260918000 197802261030000
197802261042000 197802261048000
197802261100000 197802270506000
197802270518000 197802270642000
197802270700000 197802272348000
197802280000000 197802282042000
197802282100000 197803011330000
197803011348000 197803011530000
197803011600000 197803012118000
197803012130000 197803021400000
197803021530000 197803030430000
197803030442000 197803030442000
197803030454000 197803030542000
197803031330000 197803032348000
197803040000000 197803041442000
197803041454000 197803050900000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (v-1-78-in.320_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197802181206000 197802211430000
197802211830000 197802231130000
197802231142000 197802231800000
197802231900000 197802240700000
197802240800000 197802241600000
197802242230000 197803030554000
197803030712000 197803041030000
197803041042000 197803051030000
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 V-1-78-IN data set <http://walrus.wr.usgs.gov/infobank/v/v178in/html/v-1-78-in.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 08:02:41 2013
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