Evaluation of ground-water flow and hydrologic budget for Lake Five-O, a seepage lake in northwestern Florida
Temporal and spatial distributions of ground-water inflow to, and leakage from Lake Five-O, a softwater, seepage lake in northwestern Florida, were evaluated using hydrologic data and simulation models of the shallow ground-water system adjacent to the lake. The simulation models indicate that ground-water inflow to the lake and leakage from the lake to the ground-water system are the dominant components in the total inflow (precipitation plus ground-water inflow) and total outflow (evaporation plus leakage) budgets of Lake Five-O. Simlulated ground-water inflow and leakage were approximately 4 and 5 times larger than precipitation inputs and evaporative losses, respectively, during calendar years 1989-90. Exchanges of water between Lake Five-O and the ground-water system were consistently larger than atmospheric-lake exchanges. A consistent pattern of shallow ground-water inflow and deep leakage was also evident throughout the study period. The mean time of travel from ground-water that discharges at Lake Five-O (time from recharge at the water table to discharge at the lake) was estimated to be within a range of 3 to 6 years. Flow-path evaluations indicated that the intermediate confining unit probably has a negligible influence on the geochemistry of ground-water inflow to Lake Five-O. The hydrologic budgets and flow-path evaluations provide critical information for developing geochemical budgets for Lake Five-O and for improving the understanding of the relative importance of various processes that regulate the acid-neutralizing capacity of softwater seepage lakes in Florida.
Citation Information
Publication Year | 1995 |
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Title | Evaluation of ground-water flow and hydrologic budget for Lake Five-O, a seepage lake in northwestern Florida |
DOI | 10.3133/wri944145 |
Authors | J. W. Grubbs |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Water-Resources Investigations Report |
Series Number | 94-4145 |
Index ID | wri944145 |
Record Source | USGS Publications Warehouse |