FLORIDA GEOGRAPHIC DATA LIBRARY DOCUMENTATION
VERSION 2003, RELEASED NOVEMBER, 2002.

DEEP BATHYMETRY OFF FLORIDA COASTS

Geodataset Name: 	GLFBTH
Geodataset Type: 	SHAPE
Geodataset Feature: 	POLYGON

GENERAL DESCRIPTION:

This dataset contains the deepwater bathymetry of the region.

DATA SOURCE(S):  			Florida Marine Research Institute (FMRI)

SCALE OF ORIGINAL SOURCE MAPS:    	VARIES WITH SCALE OF SOURCE NAUTICAL CHART
			          	(FROM 1:500,000 TO 1:1,200,000)       

DATE OF AUTOMATION OR SOURCE:		Source 1999

GEODATASET EXTENT:  			State of Florida

FEATURE ATTRIBUTE TABLES:

Datafile Name:GLFBTH.DBF
 
ITEM NAME         WIDTH     TYPE     PRECISION  
AREA                18     DECIMAL      5                        
PERIMETER           18     DECIMAL      5                        
GLFBTH_              5     DECIMAL      -                        
GLFBTH_ID            5     DECIMAL      -                        
D_RANGE              8     CHARACTER    -                        
FATHOM               4     NUMBER       0
DESCRIPT             4     NUMBER       0

FEATURE ATTRIBUTE TABLES CODES AND VALUES:

item			item description

D_RANGE			DEPTH RANGE IN FEET AND SPECIAL INDENTIFIERS

FATHOM			NAUTICAL UNIT OF MEASURE FOR DEPTH: 1 FATHOM = 6 FEET

DESCRIPT		SAME AS FATHOM

USER NOTES:

-Digitized by FMRI from paper NOAA nautical charts of varying scale

-Original metadata from FMRI contained several additional items that were not present in coverage. There is the possibility that 
additional data files may be available for this coverage

FGDL QUALITY ASSURANCE STATUS:

-Tolerances set to FGDL standards
-FATHOM item listed in original metadata but was did not exist in coverage.  FATHOM item was created by converteing from the D-RANGE 
item
-Added Descript item
-reprojected to FGDL Albers
-Original D-RANGE value of 6 changed to 60

REFERENCES:

DATA LINEAGE SUMMARY: Polygon/arc coverage of bathymetric contours digitized from National Oceanic and Atmospheric Administration (NOAA) nautical charts of varying scale. The NOAA charts used were #411, 11009, 11013, 11400, 11420, 11450, 11460 and 11480

MAP PROJECTION PARAMETERS

PROJECTION 				ALBERS
DATUM 					HPGN
UNITS 					METERS
SPHEROID 				GRS1980
PARAMETERS
1st standard parallel			24  0  0.000
2nd standard parallel			31 30  0.000
central meridian			-84 00  0.000
latitude of projection`s origin		24  0  0.000
false easting (meters)			400000.00000
false northing (meters)			0.00000

DATA SOURCES CONTACT(S):

Name: 			Florida Marine Research Institute
			Coastal and Marine Resource Assessment
Abbr.name: 		FMRI (CAMARA)
Address: 		100 8th Ave SE.
			St. Petersburg, FL 33701-5095					
Phone: 			(727) 896-8626, SUNCOM: 523-1011
Website:		www.fmri.usf.edu
Ftp site:	        ftp://ftp.fmri.usf.edu
Contact Person: 	GIS Data Librarian
         Phone: 	(727) 896-8626

FGDL CONTACT:

Name:			Florida Geographic Data Library
Abbr. Name:		FGDL
Address:		Florida Geographic Data Library
                        431 Architecture Building
                        PO Box 115706
                        Gainesville, FL  32611-5706
Web site:		http://www.fgdl.org
Contact FGDL:
      Technical Support:	        http://www.fgdl.org/fgdlfeed.html
      FGDL Frequently Asked Questions:  http://www.fgdl.org/fgdlfaq.html
      FGDL Mailing Lists:		http://www.fgdl.org/fgdl-l.html
      For FGDL Software:                http://www.fgdl.org/software.html