MANNINGS_N: n value in manning's velocity equation, generally 0.01 to 0.1
0.04
G: gravitational acceleration m/sec^2
9.81
ALPHA: time-step factor from Bates et al, 2010, ~0.2
0.2
RAINFALL_RATE: in mm/hr
10
RAIN_DURATION: in hours
1
MEAN_STORM: storm length, hours
0.5
MEAN_INTENSITY: storm intensity, mm/hr
10
MEAN_INTERSTORM: interstorm duration, hours
100
RUN_TIME: needed for precip generator, but not sure we use it...
1000
DELTA_T: needed for precip generator, but not sure we use it...
1
