Description Usage Arguments Value
Model core of FORHYTM
1 2 3 4 5 | run.forhytm(t, p, u, rh, rg, rssd, elv = 1190, sfc = 150, kappa = 15,
laimax = 4, gsLen = 180, cBeta = 2, rsmin = 180, jvpd = 0.025,
topt = 25, ff = 0.386, z = 25, ksimax = 2, jsm = 0.4, tl = 0,
th = 40, extCoeff = 0.5, jR = 100, rsmax = 5000, alb = 0.1,
lw = 0.01)
|
t |
Vector containing hourly values of air temperature [°C] |
p |
Vector containing hourly values of precipitation [mm] |
u |
Vector containing hourly values of wind speed [m/s] |
rh |
Vector containing hourly values of relative humidity (0...1) |
rg |
Vector containing hourly values of global radiation [W/m2] |
rssd |
Vector containing daily values of relative sunshine duration (0...1) |
elv |
Elevation [m asl] |
sfc |
Size of plant available soil moisture reservoir [mm] |
kappa |
e-folding of soil evaporation reduction function [days] |
laimax |
Leaf Area Index at full foliage cover [m2/m2] |
gsLen |
Length of leafed season, from bud burst to leaf fall [days] |
cBeta |
Shape parameter of soil moisture recharge [-] |
rsmin |
Minimum stomatal resistance [s/m] |
jvpd |
Parameter indicating stomatal sensitivity to VPD [hPa-1] |
topt |
Optimal temperature for photosynthesis [°C] |
ff |
Parameter linking fractional canopy cover to LAI |
z |
Canopy height [m] |
ksimax |
Parameter linking canopy interception capacity to LAI |
jsm |
Parameter indicating stomatal sensitivity to relative extractable water [-] |
tl |
Minimum temperature for photosynthesis [°C] |
th |
Maximum temperature for photosynthesis [°C] |
extCoeff |
Canopy light extinction coefficient |
rsmax |
Maximum stomatal resistance [s/m] |
alb |
albedo (0...1) |
lw |
Typical leaf width [m] |
Parameter |
indicating stomatal sensitivity to radiation [W/m2] |
Returns a data.frame containing daily values of water fluxes (potential transpiration, actual transpiration, soil evaporation, interception evaporation, water yield) and storage (canopy storage, soil moisture, snowpack).
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