FLORIDA GEOGRAPHIC DATA LIBRARY DOCUMENTATION
VERSION 2005
TITLE: STATE WIDE SALTMARSH LOCATIONS
Geodataset Name: SALTMS Geodataset Type: SHAPE Geodataset Feature: POLYGON
GENERAL DESCRIPTION:
This dataset contains the location of various saltmarshes in the State of Florida.
DATA SOURCE(S): Florida Marine Research Institute (FMRI) SCALE OF ORIGINAL SOURCE MAPS: 1:24000 DATE OF AUTOMATION OR SOURCE: Source 1999, See DATE item for automation. GEODATASET EXTENT: State of Florida
FEATURE ATTRIBUTE TABLES:
Datafile Name: SALTMS.DBF ITEM NAME WIDTH TYPE PRECISION SHAPE 8 SHAPEPOLY - AREA 19 DECIMAL 3 PERIMETER 19 DECIMAL 3 SALTMRSH 1 DECIMAL - SOURCE 10 CHARACTER - DATE 8 CHARACTER - DESCRIPT 50 CHARACTER -
FEATURE ATTRIBUTE TABLES CODES AND VALUES:
Item Item description SHAPE Data attribute inherent to the ESRI shapefile format, which defines the data as a point, polyline, or polygon. AREA Area of the polygon in square meters PERIMETER Perimeter of the polygons in meters SALTMARSH NWI Numerical description of saltmarsh (1 = saltmarsh; 0 = not saltmarsh) SOURCE Source of information (SR/SWFWMD = Suwannee River AND Southwest Florida Water Management Dist.) (NWI = National Wetlands Inventory - USFWS) DATE Date of automation DESCRIPT Based on Source SALT MARSH - NWI SALT MARSH - SR/SWFWMD OUTPARCEL
USER NOTES:
These polygons were extracted from the National Wetland Inventory (NWI) Coverages. Additional information provided by the Suwannee River and Southwest Florida Water Management Districts.
FGDL QUALITY ASSURANCE STATUS:
-Reprojected data to FGDL Albers -Set Tolerances to FGDL Standard -Renamed coverage from fl_saltmarsh to saltms -Added descript item based on source
DATA LINEAGE SUMMARY:
Contructed by FMRI Based on data from the U.S. Fish and Wildlife Service (USFWS) National Wetlands Inventory (NWI) and data from the Suwannee River and Southwest Florida Water Management Districts. NWI maps are compiled through manual photointerpretation ( using Cartgraphic Engineering 4X Mirror Stereoscopes) of NHAP or NAPP aerial photography supplemented by Soil Surveys and field checking of wetland photo signatures. Delineated wetland boundaries are manually transferred from interpreted photos to USGS 7.5 minute topographic quadrangle maps and then manually labelled. Quality control steps occur throughout the photointerpretation, map compilation, and map reproduction processes. Digital wetlands data are either manually digitized or scanned from stable-base copies of the 1:24,000 scale wetlands overlays registered to the standard U.S. Geological Survey (USGS) 7.5 minute quadrangles into topologically correct data files using Wetlands Analytical Mapping System (WAMS) software. Files contain ground planimetric coordinates and wetland attributes. The quadrangles were referenced to the North American Datum of 1927 (NAD27) horizontal datum. The scanning process captured the digital data at a scanning resolution of at least 0.001 inches; the resulting raster data were vectorized and then attributed on an interactive editing station. Manual digitizing used a digitizing table to capture the digital data at a resolution of at least 0.005 inches; attribution was performed as the data were digitized. The determination of scanning versus manual digitizing production method was based on feature density, source map quality, feature symbology, and availability of production systems. The data were checked for position by comparing plots of the digital data to the source material. U.S. FISH AND WILDLIFE SERVICE NATIONAL WETLANDS INVENTORY OFFICE OF BIOLOGICAL SERVICES WASHINGTON, D.C. 20240 (301) 358-2201
MAP PROJECTION PARAMETERS
PROJECTION ALBERS DATUM HPGN UNITS METERS SPHEROID GRS1980 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