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Effects of nearshore recharge on groundwater interactions with a lake in mantled karst terrain

Water Resources Research

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Abstract

The recharge and discharge of groundwater were investigated for a lake basin in the mantled karst terrain of central Florida to determine the relative importance of transient groundwater inflow to the lake water budget. Variably saturated groundwater flow modeling simulated water table responses observed beneath two hillsides radiating outward from the groundwater flow-through lake. Modeling results indicated that transient water table mounding and groundwater flow reversals in the nearshore region following large daily rainfall events generated most of the net groundwater inflow to the lake. Simulated daily groundwater inflow was greatest following water table mounding near the lake, not following subsequent peaks in the water level of upper basin wells. Transient mounding generated net groundwater inflow to the lake, that is, groundwater inflow in excess of the outflow occurring through the deeper lake bottom. The timing of the modeled net groundwater inflow agreed with an independent lake water budget; however, the quantity was considerably less than the budge-derived value.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of nearshore recharge on groundwater interactions with a lake in mantled karst terrain
Series title:
Water Resources Research
Volume
36
Issue:
8
Year Published:
2000
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Water Resources Research
First page:
2167
Last page:
2182
Number of Pages:
16