- Title:
-
Geophysical data of field activity 90001 (F-3-90-GM) in Gulf
of Mexico from 03/25/1990 to 04/08/1990
- Abstract:
-
United States Geological Survey, Woods Hole, Massachusetts.
Chief Scientists: Bill Schwab, Dave Twichell. Geophysical
data (sidescansonar, 3dot5khz, 4dot5khz, gravity,
bottomtransponder, GPS, integratednavigation, RhoRho,
tempsalinometer, expendablebatthermograph) of field activity
90001 (F-3-90-GM) in Gulf of Mexico from 03/25/1990 to
04/08/1990,
<http://walrus.wr.usgs.gov/infobank/f/f390gm/html/f-3-90-gm.meta.html>.
- Supplemental_Information:
-
Equipment Used -
sidescansonar Seamarc I side scan sonar
3dot5khz 3.5 khz bathymetry
4dot5khz 4.5 khz bathymetry
gravity
bottomtransponder acoustic bottom transponder
GPS GPS satellite
integratednavigation
RhoRho Loran-C Rho-Rho
tempsalinometer temperature/salinity/conductance gauges
expendablebatthermograph
Notes -
U. S. geological survey - atlantic marine geology
Publications -
F390GM Cruise Report exists at Woods Hole
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 90001 (F-3-90-GM) in Gulf of Mexico from 03/25/1990 to 04/08/1990: 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: -86.65010
- East_Bounding_Coordinate: -82.44050
- North_Bounding_Coordinate: 27.95590
- South_Bounding_Coordinate: 26.12340
- What does it look like?
- Does the data set describe conditions during a particular time period?
- Beginning_Date: 25-Mar-1990
- Ending_Date: 08-Apr-1990
- 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: Gulf of 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 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:
-
Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.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?
Bill Schwab (Chief Scientist, USGS Woods Hole);
Dave Twichell (Chief Scientist, USGS Woods Hole);
John Cannon (Captain, J. Marr And Sons);
Bill Danforth (Unspecified, USGS Woods Hole);
Barry Irwin (Unspecified, USGS Woods Hole);
Dave Lubinski (Unspecified, USGS Woods Hole);
Tom O'Brien (Unspecified, USGS Woods Hole);
Dave Mason (Unspecified, USGS Woods Hole);
N. Kenyon (Unspecified, IOS);
T. Crook (Unspecified, WHOI-DSL);
T. Dettweiler (Unspecified, US Navy);
M. Williamson (Unspecified, IDSS);
K. Redman (Unspecified, IDSS);
N. Lesnikowski (Unspecified, IDSS);
J. McDowell (Unspecified, IDSS);
Lisa Bader (Unspecified, USGS Western Region);
Michael Hamer (Unspecified, USGS Western Region);
Larry Kooker (Unspecified, 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-Feb-1996 (process 1 of 2)
-
Navigation Data
Converted to time format with year at start.
04/23/90 EDM DRS$DATA:[F390GM.N.WORK]F390GM.081;1
DUA0:[DRS.PLT.NAVED]NAVED.EXE;13
Farnella ABC data
Person who carried out this activity:
- Date: 31-Oct-1998 (process 2 of 2)
-
Gravity Data
10/31/1998 /lion/f/f390gm/grav/f-3-90-gm.100_081
/bear/programs/edit/automerge/automerge
Input was...
Converted to time format with year at start.
05/16/90 EDM DRS$DATA:[F390GM.G]FILE1.100;1
DUA0:[DATA.][F390GM.G]REFMT.EXE;
Raw gravity data from digital meter
Input was...
Converted to time format with year at start.
04/23/90 EDM DRS$DATA:[F390GM.N.WORK]F390GM.081;1
DUA0:[DRS.PLT.NAVED]NAVED.EXE;13
Farnella ABC 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: F390GM Cruise Report exists at Woods Hole
- 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 (f-3-90-gm.081)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199003251906000 199003260442000
199003260448000 199003260918000
199003260924000 199003270734000
199003270826000 199003270912000
199003270928000 199003271008000
199003271028000 199003271522000
199003271528000 199003271720000
199003271754000 199003271944000
199003271954000 199003272030000
199003272104000 199003280658000
199003280850000 199003280954000
199003281016000 199003281342000
199003281352000 199003290200000
199003290210000 199003290214000
199003290224000 199003290238000
199003290248000 199003290450000
199003290500000 199003290624000
199003290638000 199004031628000
199004031636000 199004052000000
199004052018000 199004080158000
199004080204000 199004081034000
199004081048000 199004081100000
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Gravity Data (f-3-90-gm.100_081)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199003251914240 199003251935540
199003251953000 199003252004540
199003252011180 199003252032240
199003252046000 199003252110540
199003252116180 199003252143540
199003252159000 199003260057240
199003260102480 199003260124540
199003260139300 199003260430540
199003260448300 199003260849240
199003260854480 199003260904240
199003260925300 199003260931240
199003260942300 199003270057240
199003270112000 199003270723540
199003270827000 199003270855540
199003270928300 199003270951540
199003271028000 199003271709540
199003271758240 199003271832540
199003271845000 199003271918240
199003271925300 199003271932540
199003271955000 199003272029240
199003272058000 199003280535240
199003280544300 199003280642540
199003280852000 199003280900240
199003280920000 199003280941240
199003281016300 199003281031240
199003281043300 199003281331540
199003281350300 199003290218240
199003290249000 199004041738540
199004041749300 199004041914540
199004041928300 199004051952540
199004052003000 199004080253240
199004080258480 199004081100000
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 90001 (F-3-90-GM) data set <http://walrus.wr.usgs.gov/infobank/f/f390gm/html/f-3-90-gm.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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