Define a pesticide with physico-chemical and toxicity properties
Source:R/chem--s3-class.R
chemical.Rd
Creates a list of parameters that define a pesticide or chemical substance, including its identity, degradation rates, sorption properties, and toxicity to aquatic organisms.
Usage
chemical(
display_name,
tmoa_id,
MW,
ksetl_m_day,
kvolat_m_day,
sol_ppm,
koc_cm3_g,
dinc_m,
fet_cm,
kf_day,
kw_day,
ks_sat_day,
ks_unsat_day,
kw_temp,
ks_sat_temp,
ks_unsat_temp,
Q10_kw,
Q10_ks_sat,
Q10_ks_unsat,
ssd_acute_mu,
ssd_acute_sigma,
ssd_chronic_mu,
ssd_chronic_sigma
)
Arguments
- display_name
[character(1)]
The common name of the chemical (e.g., "Acetamiprid").- tmoa_id
[character(1)]
Identifier for the toxic mode of action (e.g., "NicotinicAcetylcholine").- MW
[numeric(1)]
Molecular weight in grams per mole.- ksetl_m_day
[numeric(1)]
Settling rate, representing particle-bound transfer to sediment.- kvolat_m_day
[numeric(1)]
Volatilization rate from water to air.- sol_ppm
[numeric(1)]
Water solubility.- koc_cm3_g
[numeric(1)]
Organic carbon-water partition coefficient (Koc).- dinc_m
[numeric(1)]
Depth of incorporation into soil/sediment.- fet_cm
[numeric(1)]
Film thickness for exchange at the sediment-water interface.- kf_day
[numeric(1)]
Degradation rate in floodwater.- kw_day
[numeric(1)]
Degradation rate in the water column.- ks_sat_day
[numeric(1)]
Degradation rate in saturated sediment.- ks_unsat_day
[numeric(1)]
Degradation rate in unsaturated sediment.- kw_temp
[numeric(1)]
Reference temperature for kw_day.- ks_sat_temp
[numeric(1)]
Reference temperature for ks_sat_day.- ks_unsat_temp
[numeric(1)]
Reference temperature for ks_unsat_day.- Q10_kw
[numeric(1)]
Q10 coefficient for temperature correction of degradation in water.- Q10_ks_sat
[numeric(1)]
Q10 coefficient for temperature correction in saturated sediment.- Q10_ks_unsat
[numeric(1)]
Q10 coefficient for temperature correction in unsaturated sediment.- ssd_acute_mu
[numeric(1)]
Mean (log10 scale) of the acute species sensitivity distribution.- ssd_acute_sigma
[numeric(1)]
Standard deviation (log10 scale) of the acute species sensitivity distribution.- ssd_chronic_mu
[numeric(1)]
Mean (log10 scale) of the chronic species sensitivity distribution.- ssd_chronic_sigma
[numeric(1)]
Standard deviation (log10 scale) of the chronic species sensitivity distribution.