354


Table A-5. Volume of water storage in wetlands of Hendry County.


 Average
 Area Depth Volume
Wetland type acres ft acre ft

Cypress strands 48,000 1.75 + 0.5b 84,300 + 24,100

Marshes (sloughs) 63,500 2.0 127,000

Sawgrass marshes 94,000 2.0 188,000

Swamp hammocks 3,420 1.75 + 0.5b 5,980 + 1,710

Wet prairie 209,000 0.5 104,000

Ponds of less
than 100 acres 95,300 0.5c 50,000

Larger ponds 131 0.8d 109

Deep sink holes 13 43.3e 563
 Total 586,000


aArea of ponds was not subtracted from
depressions because ponds embedded in
increase their storage capacity.


area of sloughs and other
these larger depressions


bStrands and swamp hammocks are embedded in wet prairie; therefore,
when wet prairie is covered with 0.5 ft of water, strands and hammocks
are topped with an additional 0.5 ft of water above their rims.
cCone shaped with maximum depth of 1.55 ft, based on several measurements;
used equation for volume of a cone.
dCone shaped with a maximum depth of 2.5 ft assumed.

eRocky Lake, a sinkhole of unknown depth. Cone shape and depth of 130
ft assumed.