Ronald L. Miller (retired); Arturo Torres
Collection and analysis of water-quality samples at LOX was done under cooperative agreements with the South Florida Water Management District (SFWMD). Under these agreements, the Park Service collects the samples in the field and the SFWMD provides sampling equipment and laboratory analyses. Water-quality data have been collected at 14 internal marsh sites in LOX by the U.S. Fish and Wildlife Service for over 10 years. These samples have been analyzed by SFWMD laboratory.
In 2000, a study was begun by the U.S. Geological Survey to gather, edit, and interpret selected water-quality data from a variety of sources to improve the understanding of changes in water-quality in areas impacted by human activities or in more remote and relatively unimpacted areas of the Everglades and Big Cypress Swamp. The study area was extended into LOX in 2003.
3110 SW 9th Ave.
813 215-4500
Halley, Robert
Miller, Ronald L.; Haag, Kim H.; Bradner, Anne
McPherson, Benjamin F.; Haag, Kim H.
McPherson, Benjamin F.
McPherson, Benjamin F.; Sobczak, Robert; Clark, Christine
McPherson, B. F.
Water-quality and ancillary data were collected from the files of the U.S. Geological Survey, South Florida Water Management District, Everglades National Park, Big Cypress National Preserve, the U.S. Fish and Wildlife Service, some southern Florida County agencies, State of Florida agencies, and other sources of long-term water-quality and ancillary data. Available data was collected in electronic files from the original source. The intention was not to collect every available piece of data, but to collect data with the potential to detect long-term trends or lack thereof in chemical concentrations. Focus was on chemicals of environmental importance.
Station location and description, and period of record data are stored for each sampling location in the USGS NWIS database and in the South Florida Water Management District DBHYDRO database.
Data were reformatted, if necessary, for storage in a database at the U.S. Geological Survey Subdistrict Office in Tampa, Florida. When feasible, data was screened using chemical logic checks developed by Ronald Miller of the USGS in St. Petersburg, Florida.
Various graphs and statistical evaluations were used to detect correlations between variables and trends in concentration. Selected graphs and statistical results will be incorporated into a written report of the interpretations.
3110 SW 9th Ave.
813 215-4500
3110 SW 9th Ave.
813 215-4500
There are five spreadsheets for the data: Site and Parameter Information, Field Parameters and Nutrients, Major Ions and Trace Metals, Pesticides in Sediment, and Pesticides in Water. The Site and Parameter Information defines the parameters and lists the reporting units.
U.S. Department of the Interior, U.S. Geological Survey
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