For additional information about this project contact either: Eric Swain, edswain@usgs.gov or Chris Langevin, langevin@usgs.gov
Raymond W. Schaffranek (retired), 2005, Water Quality Data (Canal and Wetland).Online Links:
Planar coordinates are encoded using Coordinate Pair
Abscissae (x-coordinates) are specified to the nearest 1
Ordinates (y-coordinates) are specified to the nearest 1
Planar coordinates are specified in meters
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.
Data were collected by Marvin Franklin, Gina Tillis, Paul Meadows, Darlene Blum, Harry Jenter, and Ray Schaffranek.
954 377-5925 (voice)
954 377-5901 (FAX)
edswain@usgs.gov
A complex network of canals, levees, and control structures, designed to control flooding and provide a continuous supply of fresh water for household and agricultural use, has altered naturally occurring flow patterns through the Everglades and into Florida Bay. Quantification of dynamic flow conditions within the south Florida ecosystem is vital to assessing implications of the residence time of water, potentially nutrient-enriched (with nitrates or phosphates) or contaminant-laden (with metals or pesticides), that can alter plant life and affect biological communities. Improved numerical techniques are needed not only to more accurately evaluate discrete forces governing flow in the canals and wetlands but also to analyze their complex interaction in order to facilitate coupled representation of transport processes. Flow and transport processes are integrally linked meaning that precise quantification of the fluid dynamics is required to accurately evaluate the transport of waterborne constituents. Robust models that employ highly accurate numerical methods to invoke coupled solution of the most appropriately formulated and representative equations governing flow and transport processes are needed. Through strategic use of a model, cause-and-effect relations between discharge sources, flow magnitudes, transport processes, and changes in vegetation and biota can be systematically investigated. The effects of driving forces on nutrient cycling and contaminant transport can then be quantified, evaluated, and more effectively factored into the development of remedial management plans. A well-developed model can be used to evaluate newly devised plans to improve freshwater deliveries to Florida Bay prior to implementation.
Collection of flow data in the canal C-111 overbank and adjacent wetland area began in September 1997 near the conclusion of the spoil removal efforts. Data were collected along 9 to 12 transect lines covering the 7.1-km segment of C-111 beginning 1.1 km north of US Hwy 1 bridge and ending 2 km south of S-18C. Transects originate at locations on the southwest bank of the canal opposite culverts under the levee road on the northeast bank and extend normal to the canal approximately 1.5 km into the adjacent wetlands. Transects lines are numbered 1 through 9 beginning with the culvert nearest US Hwy 1 bridge. Measurement sites are spaced at variable-length intervals along the transect lines.
Five basic water-quality parameters (temperature, pH, specific conductance, dissolved oxygen, and salinity) were collected at each site having sufficient depth using a Hydrolab multi-parameter sensor positioned at mid-depth.
For a more complete description of data collection, processing, and analysis, see OFR 00-56, Flow-Velocity Data Collected in the Wetlands Adjacent to Canal C-111 in South Florida During 1997 AND 1999.
Person who carried out this activity:
954 377-5925 (voice)
954 377-5901 (FAX)
edswain@usgs.gov
Ball, M. H. Schaffranek, R. W., 2000, Flow-Velocity Data Collected in the Wetlands Adjacent to Canal C-111 in South Florida during 1997 and 1999: USGS Open-File Report 2000-56, U.S. Geological Survey, Reston, VA.Online Links:
NOTE: You will need to install the free Lizardtech DjVU plug-in to view this file.
Schaffranek, R, W., 1999, Hydrologic Studies in Support of South Florida Ecosystem Restoration: Proceedings ASCE 2000 Joint Conference on Water Resources Engineering and Water Resources Planning and Management none, American Society of Civil Engineers, Reston, VA.Online Links:
Sontek, 1997, Sontek ADV acoustic Doppler velocimeter technical documentation: Sontek, San Diego, CA.
Parameters recorded for sites in 1997 include temperature, salinity, conductivity, dissolved oxygen and pH. In 1999 water depth, temperature, salinity and conductivity were recorded.
Locations for sites sampled in 1997 are shown in latitude and longitude. Locations for the 1999 sites are in UTM coordinates
Are there legal restrictions on access or use of the data?
- Access_Constraints: none
- Use_Constraints: none
727 803-8747 ext 3028 (voice)
727 803-2030 (FAX)
hhenkel@usgs.gov
water quality data
The data have no explicit or implied guarantees.
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| Network links: |
<http://sofia.usgs.gov/exchange/schaffranek/schafQW.html> |
727 803-8747 ext 3028 (voice)
727 803-2030 (FAX)
sofia-metadata@usgs.gov
U.S. Department of the Interior, U.S. Geological Survey
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Henkel - Webmaster
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