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)
# }