Sets one or more model parameters or substance parameter values.
# S4 method for RPhosFate
setParameter(x, ...)An S4 RPhosFate river catchment object.
Names and values of the parameters to set. See model parameter arguments section for further information.
An S4 RPhosFate river catchment object.
ns_slp_min: A numeric scalar specifying the minimum bounding slope in %
(defaults to 0.001).
ns_slp_max: A numeric scalar specifying the maximum bounding slope in %
(defaults to 999.0).
ns_rhy_a: A numeric scalar specifying a network constant depending on the
discharge frequency needed for the calculation of the hydraulic radius, which
in turn is a prerequisite for substance transport (defaults to 0.09
representing a discharge frequency of approximately six years).
ns_rhy_b: A numeric scalar specifying a geometry scaling exponent
depending on the discharge frequency needed for the calculation of the
hydraulic radius, which in turn is a prerequisite for substance transport
(defaults to 0.50 representing a discharge frequency of approximately six
years).
ns_cha_rto: A numeric scalar specifying the ratio of the channel to the
cell width determining the widths of the riparian zones required for
substance transport (defaults to 0.5).
ns_man_rip: A numeric scalar specifying Manning's roughness coefficient
of the riparian zones within channel cells required for substance
transport (defaults to 0.32).
ns_man_cha: A numeric scalar specifying Manning's roughness coefficient
of the channel within channel cells required for substance transport
(defaults to 0.04).
ns_dep_ovl: A numeric scalar specifying the overland deposition rate per
second required for substance transport (calibration parameter; no
default).
ns_dep_cha: A numeric scalar specifying the channel deposition rate per
second required for substance transport (calibration parameter; no
default).
nv_tfc_inl: A named numeric vector specifying the inlet transfer
coefficients required for substance transport, for example, c(SS = 0.6, PP = 0.6) (no default).
nv_enr_rto A named numeric vector specifying the substance enrichment
ratios required for substance except SS transport, for example, c(PP = 2.0) (calibration parameter; no default).
iv_fDo: An integer vector specifying the outflow direction vector
required for substance transport (defaults to ArcGIS codes).
nm_olc: A two column numeric matrix specifying one or more catchment
outlet coordinates required for the in-channel retention ratio of
calibrationQuality (no default).
df_cdt: A data.frame with calibration data, which must have at least
the following three columns and one or more columns with substance river
loads in t/yr (no default):
ID: ID(s) of the gauge(s)
x: x-coordinate(s) of the gauge(s)
y: y-coordinate(s) of the gauge(s)
# temporary demonstration project copy
cv_dir <- demoProject()
#> Warning: A folder called "demoProject" already exists and is left as is.
# load temporary demonstration project
x <- RPhosFate(
cv_dir = cv_dir,
ls_ini = TRUE
)
x <- setParameter(x, ns_dep_ovl = 15e-4)
x <- setParameter(
x,
nv_tfc_inl = c(SS = 0.6, PP = 0.6),
nv_enr_rto = c(PP = 1.4)
)