Popis: |
A combination of statistical and interpolation methods and Geographic Information System (GIS) spatial analysis was used to evaluate the spatial and temporal changes in groundwater Cl � concentrations in Collier and Lee Counties (southwestern Florida), and Miami-Dade and Broward Counties (southeastern Florida), since 1985. In southwestern Florida, the average Cl � concentrations in the shallow wells (0–43 m) in Collier and Lee Counties increased from 132 mg L � 1 in 1985 to 230 mg L � 1 in 2000. The average Cl � con |