365


Table B-1. Variations in mean and amplitude of the sinewave function
in Figure B-1 used to approximate seasonal change in surface water area
under different conditions of drainage.


Alphabetic
Designation

 a
 b2
 c3 -.

 d4
 e5

 f6

 g7

 h8

 .9
 j10


Sinewave Parameters
(as fractions total land)
Mean Amplitude/2

0.549 0.270

0.350 0.245

0.310 0.240

0.210 0.170

0.100 0.083

0.310 0.000

0.310 0.060

0.310 0.120

0.310 0.180

0.310 0.240


 Water Area
 x10 acres
Mean Max Min

1.32 2.28 0.67

0.84 1.43 0.25

0.76 1.34 0.18

0.50 0.90 0.10

0.24 0.44 0.04

0.76 0.76 0,76

0.76 0.90 0.62

0.76 1.05 0.47

0.76 1.19 0.33

0.76 1.34 0.18


primitive (predrainage) conditions.
slightly less drained than present (mean, maximum, and minimum water
levels 0.25 ft higher).
present conditions (1974-75 rainfall).
more drained than present (mean, maximum, and minimum water levels
dropped 0.66 ft).
still more drained than present (mean, maximum, and minimum water levels
dropped 1.5 ft).
present annual average land surface covered by water with no oscillation.
present annual average land surface covered by water with slight
oscillation.
8 & increasing oscillation.

10present conditions.


Model

I

 II

I II

 II

I II

 II

 II

 II

 II

 II