The zone between land surface and the water table where the pores in the soil matrix are filled with air and water. Water table: The upper surface of the zone of saturation in the ground. The water table commonly is at atmospheric pressure. Zone of saturation: The zone in which the soil or rock is saturated with water under hydrostatic pressure.
of the Floridan aquifer system (fig. 2). A spring is formed when the ground water, which is under pressure, flows out through a natural opening in the ground. Source of Spring Water The source of Florida's spring water is rain that falls on land surrounding the spring. Contrary to popular belief, underground rivers do not bring water into Florida from other states. Instead, rainwater replenishes the aquifers which in turn supply the springs with water. Water in the aquifer flows through the permeable rocks and the various-sized openings in the rocks. Although many caverns in the aquifer can be quite large and interconnected, there are no underground rivers as such.
Transmissivity: The standard unit for transmissivity is cubic foot per day per square foot times foot of aquifer thickness [(ft 3 /d)/ft 2 ]ft. In this report, the mathematically reduced form, foot squared per day (ft 2 /d), is used for convenience. Specific conductance is given in microsiemens per centimeter at 25 degrees Celsius (µS/cm at 25 ˚C).
Load computations using the canal-effective load approach indicated that, with the exception of phosphorus, nutrient and dissolved-solids loads due to farm activity along the canal account for 10 percent or less of the total load at the Apopka-Beauclair Canal lock and dam. Site name and description Lake Apopka near center. Apopka-Beauclair Canal inlet at Lake Apopka. Apopka-Beauclair Canal-pump near Lake Apopka. Apopka-Beauclair Canal lake outflow (before constriction). Apopka-Beauclair Canal lake outflow (after constriction). Apopka-Beauclair Canal at Duda bridge, south pond. Apopka-Beauclair Canal at Duda Farms bridge. Apopka-Beauclair Canal at Duda bridge, north pond. Apopka-Beauclair Canal at flywheel pump, west bank. Apopka-Beauclair Canal, 1 .4 mi above lock and dam (pump upstream of flywheel pump). Apopka-Beauclair Canal-60-in. culvert, west bank, above lock and dam. Apopka-Beauclair Canal 1 mi above lock and dam (two 24-in. culverts).
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