LON
geographic longitude of site in degree.
LAT
geographic latitude of site in degree.
ELV
geographic elevation of site in m.a.s.l.
WHC
water-holding capacity of site in mm.
NI
site nutritional index (dimensionless).
RUEmax
maximum radiuation use efficiency in g DM per MJ.
w_FGA
relative weight of functional group A.
w_FGB
relative weight of functional group B.
w_FGC
relative weight of functional group C.
w_FGD
relative weight of functional group D.
sigmaGV
rate of GV respirative biomass loss (dimensionless).
sigmaGR
rate of GR respirative biomass loss (dimensionless).
T0
photosynthesis activation temperature (degree C).
T1
photosynthesis plateau temperature (degree C).
T2
photosynthesis max temperature (degree C).
KGV
basic senescence rate GV (dimensionless).
KGR
basic senescence rate GR (dimensionless).
KlGV
basic abscission rate GV (dimensionless).
KlGR
basic abscission rate GR (dimensionless).
maxOMDDV
organic matter digestibility in gram per gram DV.
minOMDDR
organic matter digestibility in gram per gram DR.
CO2_growth_factor
strength of effect of CO2 concentration on growth. See
parameter b in [fCO2_growth_mod()].
crop_coefficient
multiplicative factor K~c~ by which
reference evapotranspiration ET~0~ has to be multiplied to get the crop
evapotranspiration ET~c~:
ET~c~ = K~c~ ET~0~
senescence_cap
fraction c~s~ of GRO to which SEN is
limited: SEN~i~^max^ = c~s~ GRO~i~
for i in GV, GR. Makes it less likely for grass population to die out.
Can be set to large values in order to effectively disable senescence capping.
stubble_height
float. Minimum height the grass can assume. The
biomass will not fall below that height. This effectively presents a simple
model of plant reserves.
SGS_method
string. Choice of method to determine the start of the growing
season. Can be either "MTD"
for the multicriterial thermal definition
(see [start_of_growing_season_mtd()]) or "simple"
for a commonly used
approach as described in [start_of_growing_season()]).
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