Characterization of Aquifer Heterogeneity Using Cyclostratigraphy and Geophysical Methods in the Upper Part of the Karstic Biscayne Aquifer, Southeastern Florida—Water Resources Investigations Report 03-4208

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Figure 22. Box-whisker plots of air permeabilities of most of the same whole-core samples displayed in figure 21. See figure 20 for an explanation of box-whisker plots. Boxwhisker plots are for samples from the following ground-water flow classes: horizontal conduit ground-water flow class (GWFC2); leaky, low-permeability ground-water flow class (GWFC3); and diffuse-carbonate ground-water flow class (GWFC4); and arranged according to sampling from subtidal cycles (HFC4 and HFC5) of the Miami Limestone and vertical position within upwardshallowing brackish- or freshwatercapped cycles of the Fort Thompson Formation. (A) Vertical permeability, (B) maximum horizontal permeability, and (C) horizontal permeability measured 90o to maximum flow.

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