FLORIDA GEOLOGICAL SURVEY


relation of the effective annual rainfall and runoff for the upper
Palatlakaha Creek basin.
 The potential natural water loss, indicated by this analysis for
each basin, includes both evapotranspiration and ground-water
outflow. Further analyses show that about 2 inches more ground

 80


 Potential natural
 water loss




 0
 60-------_- -------- ~ ~. -- 7
 / /

 0 P0 /



 / /
 50 -------?-r-- ^ -




 40

 000

 Cj 30 ------------------ ._ ----_ _------ 1 ------
 L = Water loss

 S/ Pe = Effective precipitation
 D20 -- R = Runoff
 S/ AS= Change in surface
 a / storage



 /


 0
 0 10 20 30 40 50 60

 Water loss, L = P-- R* AS, in inches
 Figure 48. Relation of effective annual rainfall and annual water loss,
 Palatlakaha Creek above Mascotte, 1946-61.