leaf area index at which no evap occurs
intial soil water cont expressed as a fraction of fc
surface runoff lag time (days)
peak rate adjustment factor in the subbasin
peak rate adjustment factor for sediment routing in the channel
rate factor for mineralization on active org N
nitrogen uptake dist parm
phosphorus uptake dist parm
nitrate perc coeff (0-1)
0 = conc of nitrate in surface runoff is zero !! 1 = perc has same conc of nitrate as surf runoff
phos perc coeff (0-1)
0 = conc of sol P in surf runoff is zero !! 1 = percolate has some conc of sol P as surf runoff
phos soil partitioning coef
phos availability index
residue decomposition coeff
pestcide perc coeff (0-1)
calibration coeff to control impact of the storage
time constant for the reach at bankfull depth
weighting factor control relative importance of inflow rate
and outflow rate in determining storage on reach
n concentration coeff for tile flow and
leach from bottom layer
reach evaporation adjustment factor
denitrification expoential rate coefficient
denitrification threshold frac of field cap
frac of manure containing active colony forming units
adjustment factor for subdaily unit hydrograph basetime
max daily n-fixation (kg/ha)
residue cover factor for computing C factor equation
PET adjustment (%) for Penman-Montieth and Preiestly-Taylor methods
reservoir sediment settling coeff
convert to fraction
alpha coeff for est unit hydrograph using gamma func
coeff of splash erosion varing 0.9-3.1
median particle diameter of main channel (mm) assume co2 concentration = 400 ppm
set additional parameters the uptake distribution for water is hardwired - users are not allowed to modify set maximum days to store hru, ru and channel output