FLORIDA GEOGRAPHIC DATA LIBRARY DOCUMENTATION

TITLE: SWALLET LOCATIONS IN FLORIDA - 2007

Geodataset Name:       SWALLETS_JUN07
Geodataset Type:       SHAPEFILE
Geodataset Feature:    Point
Feature Count:         303
GENERAL DESCRIPTION:
This dataset represents swallets (stream to sink features) discovered, researched and mapped by the Florida Department of Environmental Protection, Florida Geological Survey, Florida Swallet Survey. The Florida Swallet Survey was a mapping program funded by the Florida Department of Environmental Protection's Florida Springs Initiative. A swallet is a stream to sink feature, meaning there is a contribution area that concentrates runoff into identifiable streams that disappear underground at a specific point through a sinkhole. The streams may be either intermittent or continuously flowing. Data collected includes: GPS points from a Trimble ProXR and TSC-1 Data Logger; length and width of pools and basins using a range finder; pool depths, if possible, using a hand-held sonar depth finder; color, clarity and visibility of the water in the pool using a secchi disk; photos were taken and written assessments were made of the geology, topography, vegetation, and notations of anything within a 150-meter radius. This dataset represents swallet locations that were within the scope of the Florida Springs Initiative / Florida Swallet Survey project. As such, not all Florida swallets are included in this dataset, and it is by no means comprehensive.
DATA SOURCE(S):                    Florida Department of Environmental Protection, Florida Geological Survey
SCALE OF ORIGINAL SOURCE MAPS:     N/A
GEODATASET EXTENT:                 State of Florida
PUBLICATION DATE: 20110817 TIME PERIOD OF CONTENT: Begin Date: 20030101 End Date: 20070601 DOWNLOAD LINK: http://www.fgdl.org/metadataexplorer/explorer.jsp

FEATURE ATTRIBUTE TABLES:

Datafile Name: SWALLETS_JUN07.DBF
ITEM NAME WIDTH TYPE
OBJECTID
4 OID
Shape
4 Geometry
SWALLETID
8 Double
NAME
50 String
NATFEAT
2 SmallInteger
CONFIRMED
8 Double
PHOTO
4 Integer
COUNTY
20 String
CNTY_FIPS
8 Double
CONTACTID
8 Double
HAE
20 String
GEOID03
8 Double
OFFSETBEAR
8 Double
LATITUDE
8 Double
LONGITUDE
8 Double
ALBERS_X
8 Double
ALBERS_Y
8 Double
ORIENT1
50 String
ORIENT2
50 String
POOLDIM1
8 Double
POOLDIM2
8 Double
BASDIM1
20 String
BASDIM2
20 String
DEPTH
8 Double
MAXH2ODEPT
8 Double
SECCHI
10 String
COLOR
100 String
SURFOILS
50 String
H2OVEG
150 String
INFLOW
150 String
INDIR
25 String
OUTFLOW
150 String
OUTDIR
25 String
LANDUSE
8 Double
EROSION
8 Double
NPSPOLL
8 Double
TERRVEG
254 String
BUFFER
8 Double
UNDERSTORY
250 String
STRUCTURES
254 String
PAVEMENT
250 String
GEOLOGY
254 String
HANDSAMPLE
150 String
DATEVIS
36 Date
DATEIN
36 Date
LU_DESC
50 String
DESCRIPT
35 String
FGDLAQDATE
36 Date
AUTOID
4 Integer

FEATURE ATTRIBUTE TABLES CODES AND VALUES:

Item
Item Description
OBJECTID Internal feature number.

Shape Feature geometry.

SWALLETID Internally defined ID

NAME Local or assigned name for feature

NATFEAT Natural Features

CONFIRMED Confirmed - visible inflow

PHOTO Photo taken

COUNTY County location

CNTY_FIPS County FIPS number

CONTACTID Contact person for swallet

HAE Height above Elipsoid

GEOID03 GEOID used

OFFSETBEAR Bearing of feature when GPS taken

LATITUDE Calculated Latitude from DMS

LONGITUDE Calculated Longitude from DMS

ALBERS_X X-coordinate in meters from point of origin. Based on custom FDEP Albers NAD83 HARN projection.

ALBERS_Y Y-coordinate in meters from point of origin. Based on custom FDEP Albers NAD83 HARN projection.

ORIENT1 Orientation of first measurement

ORIENT2 Orientation of second measurement

POOLDIM1 Measurement of pool

POOLDIM2 Pool dimensions

BASDIM1 Base dimensions

BASDIM2 Base dimensions

DEPTH Depth of Swallet Pool

MAXH2ODEPT Maximum water depth

SECCHI Secchi observed

COLOR Water color

SURFOILS Surface oils present

H2OVEG Water vegetation

INFLOW Inflow amounts

INDIR Inflow direction

OUTFLOW Outflow, if any

OUTDIR Outflow direction

LANDUSE Landuse code

EROSION Erosion potential

NPSPOLL National Park Service area

TERRVEG Vegetation surrounding swallet

BUFFER Buffer zone surrounding swallet

UNDERSTORY Understory

STRUCTURES Nearby structures

PAVEMENT Nearby pavements

GEOLOGY Local geology

HANDSAMPLE Handsample taken / ID

DATEVIS Date visited

DATEIN Date entered into database

LU_DESC Land use description.

DESCRIPT Based on field NAME.

FGDLAQDATE The date FGDL acquired the data from the Source.

AUTOID Unique ID added by GeoPlan

Attributes were taken for each swallet as available. 
The list of attributes was determined by the project manager as needed for the study.
USER NOTES:
The data for this report follows the consistency required of the project. 
Point locations were gathered using handheld GPS receivers; however, 
these data are not necessarily suitable for site-specific, cadastral, 
or other projects of similar intents. 
Please contact the FGS for further details.
This dataset represents all known swallets as of July 2007. 
Subsequent updates are not currently planned, but may occur 
if and when new data are made available.
FDEP
Attributes meet the required accuracy of the funding grant. 
Accuracy is generally consistent with the type of GPS unit used to record locations;
however, significant offsets may exist at sites which were inaccessible by foot. 
A complete Microsoft Access database of features is available.

GeoPlan relied on the integrity of the attribute information within
the original data.
This dataset represents swallet locations that were within the scope of the Florida 
Springs Initiative / Florida Swallet Survey project. As such, not all Florida swallets 
are included in this dataset, and it is by no means comprehensive.

Many documented swallets are located on non-public lands. These may or may not 
be accessible to the public and permission to access them MUST be granted by the
property owner in advance of any attempt to visit these swallets.

More information on Florida hydrogeology is available from the FGS online at 
http://www.dep.state.fl.us/geology/geologictopics/hydrogeo.htm

FLORIDA GEOLOGICAL SURVEY
- Glossary
Swallet: See swallow hole.
Swallow Hole: A place where water disappears underground in a limestone region.
A swallow hole generally implies water loss in a closed depression or blind valley,
whereas a swallet may refer to water loss into alluvium at a streambed, even though there
is no depression (Field, 1999).
SOURCE: http://www.dep.state.fl.us/geology/geologictopics/springs/sp_52.pdf

The purpose of this data set is to provide locational reference to stream-to-sink 
features where surface waters enter karst features and interacts with Florida 
aquifers.

Horizontal accuracy meets or exceeds the National Mapping Standards of 1947. 
GPS positional accuracy is within +/- 5 meters and in most cases +/- 1 meter 
depending on canopy and satellite availability.

Vertical accuracy does not meet NMS 1947 standards as no vertical datum has 
been applied to this data.

These data should not be used scales larger than 1:10,000. Data should not be 
used for engineering, survey, cadastral, or land conveyance purposes. Data were 
collected, processed, and corrected using a Trimble Pro-XR GPS receiver and GPS
Pathfinder 4.2 software.

FDEP GIS data is provided as a public service. FDEP makes every effort to provide
accurate and complete data. Metadata is provided for all datasets and no data should
be used without first reading and understanding the limitations of the data. The
Florida Department of Environmental Protection (FDEP) provides NO WARRANTY as to the
accuracy of this data or any corresponding attributes or metadata. Data is provided
in an as is condition, without warranty of any kind, either expressed or implied,
including any assurance that the data is fit for a particular purpose. FDEP shall
have no liability, in any case, to the use of provided data (including
redistribution and reproduction). Full liability, responsibility and consequence
relating to the use of provided data rest with the user.

The Florida Geographic Data Library is a collection of Geospatial Data
compiled by the University of Florida GeoPlan Center with support from
the Florida Department of Transportation. GIS data available in FGDL is
collected from various state, federal, and other agencies (data sources)
who are data stewards, producers, or publishers. The data available in
FGDL may not be the most current version of the data offered by the
data source. University of Florida GeoPlan Center makes no guarantees
about the currentness of the data and suggests that data users check
with the data source to see if more recent versions of the data exist.

Furthermore, the GIS data available in the FGDL are provided 'as is'.
The University of Florida GeoPlan Center makes no warranties, guaranties
or representations as to the truth, accuracy or completeness of the data
provided by the data sources. The University of Florida GeoPlan Center
makes no representations or warranties about the quality or suitability
of the materials, either expressly or implied, including but not limited
to any implied warranties of merchantability, fitness for a particular
purpose, or non-infringement. The University of Florida GeoPlan Center
shall not be liable for any damages suffered as a result of using,
modifying, contributing or distributing the materials.

A note about data scale: 

Scale is an important factor in data usage.  Certain scale datasets
are not suitable for some project, analysis, or modeling purposes.
Please be sure you are using the best available data. 

1:24000 scale datasets are recommended for projects that are at the
county level.
1:24000 data should NOT be used for high accuracy base mapping such
as property parcel boundaries.
1:100000 scale datasets are recommended for projects that are at the
multi-county or regional level.
1:125000 scale datasets are recommended for projects that are at the
regional or state level or larger.

Vector datasets with no defined scale or accuracy should be
considered suspect. Make sure you are familiar with your data
before using it for projects or analysis. Every effort has been
made to supply the user with data documentation. For additional
information, see the References section and the Data Source Contact
section of this documentation. For more information regarding
scale and accuracy, see our webpage at:
http://geoplan.ufl.edu/education.html

REFERENCES:
Florida Geological Survey - Hydrogeology
http://www.dep.state.fl.us/geology/geologictopics/hydrogeo.htm

Swallets mapped by the Florida Geological Survey
http://ca.dep.state.fl.us/mapdirect/?focus=fgssinkholes

DATA LINEAGE SUMMARY:
Two full-time and several part-time researchers comb the first magnitude 
springsheds using topographic maps, aerial photos, USDA soil surveys, and local 
knowledge in search of potential swallets.  With the property owner s permission, 
field teams make on-site investigations to determine if a feature qualifies and, if it 
does, it is then cataloged.  A true swallet is a stream to sink feature, meaning there 
is a contribution area that concentrates runoff into identifiable streams that 
disappear underground at a specific point. The streams may be either intermittent or 
continuously flowing. Data collected includes:  GPS points and areas using a 
backpack Trimble; length and width of pools and basins using a range finder; pool 
depths, if possible, using a hand-held sonar depth finder; color, clarity and visibility 
of the water in the pool using a secchi disk; photos are taken and written 
assessments are made of the geology, topography, vegetation, and notations of 
anything within a 150-meter radius.
Process Date: Unknown

Spatial data exported from Microsoft Access, imported using ADD XY. Process Date: 20060217
Obtained data from FGS and inserted a new layer in ArcSDE. Data published in DataMiner and MapDirect. Process Date: 20110817
The GeoPlan Center downloaded the original dataset from the following Florida Department of Environmental Protection's (FDEP) website on February 16th, 2015. http://www.dep.state.fl.us/gis/datadir.htm FGS_SWALLETS.zip FGS_SWALLETS.shp The data was downloaded in shapefile format and was in the following projection: Albers NAD 83 HARN. During the AQ/QC process the following tasks were undertaken: - Redefined the dataset's projection from FDEP Albers to FGDL Albers. - Converted from "Point M" feature type to "Point" - The dataset was renamed to SWALLETS_JUN07.shp - The dataset Attribute table was upper cased. - The field DESCRIPT was added based on "NAME" - Removed all Double Quotes from the DESCRIPT field for ETDM purposes. - The field FGDLAQDATE was added and populated. Process Date: 20150216
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 SOURCE CONTACT (S):

Name:
Abbr. Name:
Address:


Phone:

Web site:
E-mail:
Contact Person:
         Phone:
        E-mail:
Florida Department of Environmental Protection (FDEP) OTIS/GIS Section
FDEP
2600 Blair Stone Rd., MS 6520
Tallahassee, Florida
32399-2400


http://www.dep.state.fl.us/gis/datadir.htm GIS.Librarian@dep.state.fl.us

FGDL CONTACT:
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Abbr. Name:             FGDL
Address:                Florida Geographic Data Library
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                        PO Box 115706
                        Gainesville, FL  32611-5706
Web site:               http://www.fgdl.org

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