This function generates parameter sets for FUSE models (see ranges suggested by Clark et al., 2011).

generateParameters(NumberOfRuns, SamplingType = "LHS", rferr_add = NULL,
  rferr_mlt = NULL, frchzne = NULL, fracten = NULL, maxwatr_1 = NULL,
  percfrac = NULL, fprimqb = NULL, qbrate_2a = NULL, qbrate_2b = NULL,
  qb_prms = NULL, maxwatr_2 = NULL, baserte = NULL, rtfrac1 = NULL,
  percrte = NULL, percexp = NULL, sacpmlt = NULL, sacpexp = NULL,
  iflwrte = NULL, axv_bexp = NULL, sareamax = NULL, loglamb = NULL,
  tishape = NULL, qb_powr = NULL, timedelay = NULL,
  params2remove = NULL)

Arguments

NumberOfRuns
number of samples to generate, can be any integer
SamplingType
sampling procedure to use, can be "URS" or "LHS"
rferr_add
range of the additive rainfall error (mm), default is c(0,0)
rferr_mlt
range of the multiplicative rainfall error (-), default is c(1,1)
frchzne
range of the fraction tension storage in recharge zone (-), default is c(0.05,0.95)#'
fracten
range of the fraction total storage in tension storage (-), default is c(0.05,0.95)
maxwatr_1
range of the depth of the upper soil layer (mm), default is c(25,500)
percfrac
range of the fraction of percltn to tension storage (-), default is c(0.05,0.95)
fprimqb
range of the fraction storage in 1st baseflow reservoir (-), default is c(0.05,0.95)
qbrate_2a
range of the baseflow depletion rate 1st reservoir (day-1), default is c(0.001,0.25)
qbrate_2b
range of the baseflow depletion rate 2nd reservoir (day-1), default is c(0.001,0.25)
qb_prms
range of the baseflow depletion rate (day-1), default is c(0.001,0.25)
maxwatr_2
range of the depth of the lower soil layer (mm), default is c(50,5000)
baserte
range of the baseflow rate (mm day-1), default is c(0.001,1000)
rtfrac1
range of the fraction of roots in the upper layer (-), default is c(0.05,0.95)
percrte
range of the percolation rate (mm day-1), default is c(0.01,1000)
percexp
range of the percolation exponent (-), default is c(1,20)
sacpmlt
range of the SAC model percltn mult for dry soil layer (-), default is c(1,250)
sacpexp
range of the SAC model percltn exp for dry soil layer (-), default is c(1,5)
iflwrte
range of the interflow rate (mm day-1), default is c(0.01,1000)
axv_bexp
range of the ARNO/VIC b exponent (-), default is c(0.001,3)
sareamax
range of the maximum saturated area (-), default is c(0.05,0.95)
loglamb
range of the mean value of the topographic index (m), default is c(5,10)
tishape
range of the shape param for the topo index Gamma dist (-), default is c(2,5)
qb_powr
range of the baseflow exponent (-), default is c(1,10)
timedelay
range of the time delay in runoff (days), default is c(0.01,5)
params2remove
vector with names of parameters to remove from the latin hypercube.

Examples

## Not run: ------------------------------------ # # For reproducible results, use set.seed() before running this function. # set.seed(123) # parameters <- generateParameters(1) ## ---------------------------------------------