![]() There is also relatively little runoff to the ocean compared to evaporation and transpiration (e.g., for the Everglades Basin, Kushlan estimates an average annual rainfall of 127 cm with a total runoff of only 19 cm). As discussed in Kushlan (1990) there is almost no carryover of water from one year to the next. South Florida depends on this summer rainfall for its water. The rest of the excess-the most useful part-spills over the southern rim of the lake into the great arc of the Everglades. When the lake gets filled, some of the excess drains down the Caloosahatchee River into the Gulf of Mexico, or through the St. Lake Okeechobee, especially, is fed by these rains. The Everglades evaporate, the moisture goes up into the clouds, the clouds are blown to the north, and the rain comes down over the Kissimmee River and Lake Okeechobee. Much of the rainfall on which south Florida depends comes from evaporation in the Everglades. Two pioneers concerned with the fate of the Everglades, Douglas and Rothchild (1987), had the following conclusion regarding the role of the Everglades in weather. The Everglades is a major component of the south Florida environment, and this region’s landscape has been changed substantially during this century ( Davis and Ogden 1994 De Angelis et al. 27 and 28), the very large spatial variations in surface radiative temperatures across south Florida due to landscape variations was shown. Whether the land is urbanized, covered with water, in agriculture, etc., influences the amount of water transpired and evaporated into the atmosphere as well as generates local wind circulations that focus the cumulonimbus activity ( Gannon and Warner 1990). Less recognized, however, is the role of the region’s landscape on this aspect of the region’s water budget. 1987 Pielke 1974 Pielke and Mahrer 1978 Segal et al. ![]() 1992 McQueen and Pielke 1985 Michaels et al. ![]() 1996 Blanchard and Lopez 1985 Burpee and Lahiff 1984 Byers and Rodebush 1948 Gannon 1977 Lyons 1995 Lyons et al. The importance of the sea breeze on the precipitation pattern of south Florida in the United States has been known for many years (e.g., Arritt et al.
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