Actual and maximum moving window time average concentrations for FOMC kinetics

Actual and maximum moving window time average concentrations for FOMC kinetics

FOMC_actual_twa(
  alpha = 1.0001,
  beta = 10,
  times = c(0, 1, 2, 4, 7, 14, 21, 28, 42, 50, 100)
)

Arguments

alpha

Parameter of the FOMC model
beta

Parameter of the FOMC model
times

The output times, and window sizes for time weighted average concentrations

Source

FOCUS (2014) Generic Guidance for Estimating Persistence and Degradation Kinetics from Environmental Fate Studies on Pesticides in EU Registration, Version 1.1, 18 December 2014, p. 251

Examples

FOMC_actual_twa(alpha = 1.0001, beta = 10)
#>         actual       twa
#> 0   1.00000000       NaN
#> 1   0.90908224 0.9530973
#> 2   0.83331814 0.9115995
#> 4   0.71426168 0.8411664
#> 7   0.58820408 0.7580202
#> 14  0.41663019 0.6253074
#> 21  0.32254415 0.5387324
#> 28  0.26312277 0.4767543
#> 42  0.19227599 0.3925054
#> 50  0.16663681 0.3583198
#> 100 0.09088729 0.2397608