This ArcView GIS data layer contains the navigation fix points for the
R/V FARNELLA 90-3 cruise.
Purpose:
The trackl.shp file shows the R/V FARNELLA 90-3 trackline. This GIS overlay
is a component of the U. S Geological Survey, Woods Hole Field Center's,
Gulf of Mexico ArcView GIS database. The Gulf of Mexico GIS database is
intended to organize and display USGS held data and provide on-line (WWW)
access to the data and/or metadata.
Supplemental_Information:
This file contains only the locations of the individual navigation points.
Navigation fixes were recorded in the mrg-mrg format at a two minute interval.
The date and time information is contained as attribute information in
the trackp.shp file.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19900325
Ending_Date: 19900408
Currentness_Reference: Publication Date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -86.6501
East_Bounding_Coordinate: -82.4405
North_Bounding_Coordinate: 27.9559
South_Bounding_Coordinate: 26.1234
Keywords:
Theme:
Theme_Keyword_Thesaurus: General
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Woods Hole Field Center
Theme_Keyword: Gulf of Mexico database
Theme_Keyword: R/V FARNELLA 90-3
Theme_Keyword: ArcView
Theme_Keyword: arcview
Theme_Keyword: polyline
Theme_Keyword: navigation
Theme_Keyword: trackline
Place:
Place_Keyword_Thesaurus: General
Place_Keyword: Gulf of Mexico
Place_Keyword: Mississippi Fan
Access_Constraints: None
Use_Constraints:
Although this derived data set and it's lineage dataset have been used
by the USGS, no warranty, expressed or implied, is made by the USGS as
to the accuracy of the data and/or related materials. The act of distribution
shall not constitute any such warranty, and no responsibility is assumed
by the USGS in the use of these data or related materials. The U.S. Geological
Survey must be referenced as the originator of the dataset in any future
products or research derived from these data.
R/V FARNELLA 90-3 trackline displayed over the SeaMARC 1A sidescan sonar
mosaic
Native_Data_Set_Environment:
ArcView version 3.0b shapefile format - data\nav\trackl.shp
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: None
Logical_Consistency_Report:
No additional checks for topological consistency were performed on this
data set.
Completeness_Report:
The trackl.shp file contains all the navigation fixes for the entire R/V
FARNELLA 90-3 cruise. Navigation fixes were recorded every two minutes
in the mrg-mrg format.
The newly created vector segment was displayed using the PCI program Imageworks
and verified. No errors or inconsistencies were found, so the vector segment
was output as an ArcView shapefile.
Horizontal_Datum_Name: North American Datum of 1927
Ellipsoid_Name: Clarke 1866
Semi-major_Axis: 6378206.4
Denominator_of_Flattening_Ratio: 294.98
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: trackl.dbf
Entity_Type_Definition: Shapefile Attribute Table
Entity_Type_Definition_Source: None
Attribute:
Attribute_Label: Integer1
Attribute_Definition:
The Integer1 attribute is carried over from the PCI Remote Sensing software
vector segment information. It is an internal control parameter and has
no relevance to the use of the data.
Although this derived data set and it's lineage dataset have been used
by the USGS, no warranty, expressed or implied, is made by the USGS as
to the accuracy of the data and/or related materials. The act of distribution
shall not constitute any such warranty, and no responsibility is assumed
by the USGS in the use of these data or related materials.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ARCV
Format_Information_Content:
trackl.dbf
trackl.shp
trackl.shx
File_Decompression_Technique: No compression applied
Transfer_Size: 154Kbytes
Digital_Transfer_Option:
Offline_Option:
Offline_Media: CD-ROM
Recording_Capacity:
Recording_Density: 650
Recording_Density_Units: Mbytes
Recording_Format: ISO 9600
Compatibility_Information:
The user must have a system with a CD-ROM capable of reading an ISO-9660
standard CD-ROM disk. To browse the information contained on this disk,
the user must also have a current version of WWW browser available.
Digital_Form:
Digital_Transfer_Information:
Format_Name: ARCV
Format_Information_Content:
The three ArcView shapefiles (trackl.dbf, trackl.shp, trackl.shx) comprising
the R/V FARNELLA 90-4 core location coverage.
File_Decompression_Technique: zip
Transfer_Size: 62Kbytes
Digital_Transfer_Option:
Offline_Option:
Offline_Media: CD-ROM
Recording_Capacity:
Recording_Density: 650
Recording_Density_Units: Mbytes
Recording_Format: ISO 9600
Compatibility_Information:
The user must have a system with a CD-ROM capable of reading an ISO-9660
standard CD-ROM disk. To browse the information contained on this disk,
the user must also have a current version of WWW browser available. The
user must also have the software installed on their computer system capable
to unzip the archived file.
Fees: none
Technical_Prerequisites:
The R/V FARNELLA 90-4 core location overlay is available in an ArcView
shapefile format. The user must have ESRI's ArcView 3.0 or greater software
to read and process the data file. In lieu of Arcview, the user may utilize
another GIS application package capable of importing the data.
