- Title:
-
Geophysical data of field activity V-10-77-IN in Port Louis,
Mauritius to Capetown, South Africa from 12/09/1977 to
12/30/1977
- Abstract:
-
Chief Scientist: E. Simpson. Geophysical data (sextant,
bathymetry, magnetics, gravity, 2channelairgun, gravitycore,
pistoncore) of field activity V-10-77-IN in Port Louis,
Mauritius to Capetown, South Africa from 12/09/1977 to
12/30/1977,
<http://walrus.wr.usgs.gov/infobank/v/v1077in/html/v-10-77-in.meta.html>.
- Supplemental_Information:
-
Equipment Used -
sextant
bathymetry
magnetics l-DGO Mfg. Proton Precession magnetometer
gravity Graf-Askania GSS2-12 gravity
2channelairgun 25 cu. in. two-channel airgun
gravitycore
pistoncore
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, Geophysical data of field activity V-10-77-IN in Port Louis, Mauritius to Capetown, South Africa from 12/09/1977 to 12/30/1977: 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: 18.13330
- East_Bounding_Coordinate: 57.23070
- North_Bounding_Coordinate: -20.25800
- South_Bounding_Coordinate: -38.80520
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 09-Dec-1977
- Ending_Date: 30-Dec-1977
- 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: Port Louis, Mauritius to Capetown, South Africa
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?
E. Simpson (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-10-77-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/v1077in/grav/v-10-77-in.160_050
/bear/programs/edit/automerge/automerge
Input was...
01/30/1998 clint v-10-77-in.160
/bear/programs/ngdc/unrefngdc/unrefngdc
Free Air Anomaly data
Input was...
01/30/1998 clint v-10-77-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-10-77-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/v1077in/mag/v-10-77-in.220_050
/bear/programs/edit/automerge/automerge
01/30/1998 clint v-10-77-in.220
/bear/programs/ngdc/unrefngdc/unrefngdc
Edited magnetics data
01/30/1998 clint v-10-77-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/v1077in/bath/v-10-77-in.320_050
/bear/programs/edit/automerge/automerge
Input was...
01/30/1998 clint v-10-77-in.320
/bear/programs/ngdc/unrefngdc/unrefngdc
Edited bathymetry data with corrected depths
Input was...
01/30/1998 clint v-10-77-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-10-77-in.050 [SINS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197712101920000 197712150515000
197712150538000 197712150542000
197712150555000 197712150555000
197712150702000 197712150702000
197712150722000 197712150722000
197712150826000 197712150826000
197712150913000 197712160516000
197712160632000 197712160632000
197712160758000 197712160758000
197712160832000 197712160832000
197712161018000 197712161018000
197712161100000 197712171053000
197712171206000 197712171206000
197712171236000 197712171236000
197712171321000 197712210812000
197712210850000 197712210850000
197712210916000 197712210916000
197712210936000 197712210936000
197712211034000 197712211034000
197712211115000 197712241450000
197712241520000 197712291436000
197712291459000 197712291459000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (v-10-77-in.160_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197712110000000 197712110000000
197712110030000 197712110410000
197712110530000 197712110540000
197712110610000 197712111110000
197712111150000 197712111340000
197712111440000 197712111910000
197712111940000 197712112250000
197712112330000 197712120800000
197712120830000 197712121830000
197712121850000 197712122010000
197712122100000 197712122110000
197712122130000 197712122230000
197712122310000 197712130240000
197712130310000 197712130800000
197712130830000 197712131400000
197712131420000 197712131900000
197712131920000 197712132120000
197712132150000 197712140650000
197712140710000 197712140730000
197712140750000 197712140950000
197712141030000 197712141110000
197712141140000 197712141310000
197712141350000 197712141710000
197712141730000 197712142040000
197712142100000 197712142100000
197712142120000 197712150200000
197712150220000 197712150450000
197712151000000 197712151540000
197712151610000 197712151900000
197712151930000 197712160130000
197712160150000 197712160230000
197712160250000 197712160500000
197712161140000 197712161330000
197712161440000 197712161500000
197712161530000 197712161620000
197712161810000 197712162120000
197712162140000 197712170130000
197712170150000 197712170640000
197712170700000 197712170810000
197712170830000 197712171010000
197712171420000 197712171510000
197712171550000 197712171650000
197712171720000 197712171930000
197712172000000 197712172240000
197712172300000 197712172330000
197712172350000 197712180750000
197712180810000 197712181040000
197712181100000 197712181900000
197712181940000 197712182100000
197712182140000 197712190800000
197712190840000 197712191040000
197712191130000 197712191220000
197712191240000 197712191610000
197712191640000 197712191710000
197712191740000 197712191850000
197712191920000 197712191950000
197712192010000 197712192020000
197712192100000 197712192210000
197712192300000 197712192330000
197712200100000 197712200730000
197712200800000 197712200800000
197712200820000 197712200840000
197712200930000 197712201000000
197712201040000 197712201950000
197712202130000 197712202220000
197712202250000 197712210100000
197712210130000 197712210250000
197712210310000 197712210540000
197712210620000 197712210740000
197712211200000 197712211400000
197712211630000 197712211850000
197712211920000 197712212120000
197712212150000 197712212220000
197712212300000 197712220050000
197712220120000 197712220130000
197712220200000 197712220200000
197712220230000 197712220630000
197712220710000 197712220710000
197712220730000 197712220900000
197712220920000 197712221020000
197712221040000 197712221100000
197712221120000 197712221310000
197712221330000 197712221550000
197712221610000 197712221850000
197712221920000 197712222100000
197712222120000 197712230030000
197712230100000 197712230120000
197712230140000 197712230330000
197712230350000 197712230750000
197712230820000 197712231320000
197712231340000 197712231400000
197712231420000 197712231720000
197712231750000 197712232220000
197712232250000 197712232350000
197712240010000 197712240900000
197712240930000 197712241050000
197712241120000 197712241220000
197712241250000 197712241440000
197712241630000 197712241730000
197712241750000 197712242010000
197712242050000 197712250030000
197712250100000 197712250100000
197712250120000 197712250120000
197712250140000 197712250400000
197712250420000 197712250810000
197712250830000 197712251110000
197712251140000 197712251330000
197712251350000 197712252230000
197712252310000 197712260810000
197712260900000 197712261340000
197712261420000 197712261450000
197712261530000 197712261540000
197712261640000 197712261910000
197712261930000 197712270210000
197712270240000 197712270450000
197712270530000 197712271000000
197712271020000 197712272100000
197712272140000 197712272210000
197712272240000 197712280140000
197712280220000 197712280300000
197712281720000 197712281730000
197712281750000 197712282200000
197712282230000 197712290100000
197712290120000 197712291100000
197712291120000 197712291430000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Magnetics Data (v-10-77-in.221_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197712101924000 197712110806000
197712110818000 197712111130000
197712111218000 197712122124000
197712122136000 197712132124000
197712132136000 197712141330000
197712141354000 197712150148000
197712150200000 197712150454000
197712150930000 197712160500000
197712161200000 197712161654000
197712161712000 197712171018000
197712171400000 197712181218000
197712181230000 197712190306000
197712190318000 197712192212000
197712192224000 197712210730000
197712211224000 197712212330000
197712212342000 197712221106000
197712221118000 197712221130000
197712221200000 197712221500000
197712221512000 197712241430000
197712241542000 197712261054000
197712261106000 197712280148000
197712280200000 197712290730000
197712290830000 197712291118000
197712291130000 197712291236000
197712291248000 197712291430000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (v-10-77-in.320_050)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
197712101924000 197712150512000
197712150918000 197712160500000
197712160512000 197712160512000
197712161106000 197712171048000
197712171330000 197712210812000
197712211130000 197712241448000
197712241524000 197712280418000
197712280430000 197712291436000
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-10-77-IN data set <http://walrus.wr.usgs.gov/infobank/v/v1077in/html/v-10-77-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 08:02:31 2013
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