Exploration of Karst Conditions in Central Floridaby Leo D. Handfelt, Dames & Moore, Los Angeles, CA, USA,
William J. Attwooll, Dames & Moore, Los Angeles, CA, USA,
Abstract: Walt Disney World, which comprises some 28,000 acres (11,000 ha) in central Florida, is underlain by cavernous limestone and is characterized by karst topography; with distinct low ground areas that are indicative of ancient sinkhole activity. Various methods have been used to explore the subsurface conditions in both the high and low ground areas of Walt Disney World. This paper discusses how an exploration program is planned from initially evaluating aerial photographs and performing hand probes in the low ground areas. Advantages and disadvantages of the various subsurface exploration techniques are discussed. In addition, there is a discussion on monitoring of aquifer levels in an effort to detect geohydrological conditions that might indicate potential for new sinkholes.
Subject Headings: Karst | Sinkholes | Soil surveys | Limestone | Subsurface environment | Aerial photography | Topography | North America | Florida | United States
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