From 3aa5fb86772c28402047c7ebd07841061dbcdbba Mon Sep 17 00:00:00 2001 From: Johannes Ranke Date: Thu, 11 Jun 2015 15:23:22 +0200 Subject: Add facilities to calculate decline curves --- pkg/man/PEC_sw_drift_ini.Rd | 42 ++++++++++++++++++++++++++++++++++++++++++ pkg/man/SFO_actual_twa.Rd | 29 +++++++++++++++++++++++++++++ pkg/man/pfm_degradation.Rd | 35 +++++++++++++++++++++++++++++++++++ 3 files changed, 106 insertions(+) create mode 100644 pkg/man/PEC_sw_drift_ini.Rd create mode 100644 pkg/man/SFO_actual_twa.Rd create mode 100644 pkg/man/pfm_degradation.Rd (limited to 'pkg/man') diff --git a/pkg/man/PEC_sw_drift_ini.Rd b/pkg/man/PEC_sw_drift_ini.Rd new file mode 100644 index 0000000..0bcbf97 --- /dev/null +++ b/pkg/man/PEC_sw_drift_ini.Rd @@ -0,0 +1,42 @@ +% Generated by roxygen2 (4.1.0.9001): do not edit by hand +% Please edit documentation in R/PEC_sw_drift_ini.R +\name{PEC_sw_drift_ini} +\alias{PEC_sw_drift_ini} +\title{Calculate initial predicted environmental concentrations in surface water due to drift} +\usage{ +PEC_sw_drift_ini(rate, applications = 1, water_depth = 30, + drift_data = "JKI", crop = "Ackerbau", distances = c(1, 5, 10, 20), + rate_units = "g/ha", PEC_units = "µg/L") +} +\arguments{ +\item{rate}{Application rate in units specified below} + +\item{applications}{Number of applications for selection of drift percentile} + +\item{water_depth}{Depth of the water body in cm} + +\item{drift_data}{Source of drift percentage data} + +\item{crop}{Crop name (use German names for JKI data), defaults to "Ackerbau"} + +\item{distances}{The distances in m for which to get PEC values} + +\item{rate_units}{Defaults to g/ha} + +\item{PEC_units}{Requested units for the calculated PEC. Only µg/L currently supported} +} +\value{ +The predicted concentration in surface water +} +\description{ +This is a basic, vectorised form of a simple calculation of a contaminant +concentration in surface water based on complete, instantaneous mixing +with input via spray drift. +} +\examples{ +PEC_sw_drift_ini(100) +} +\author{ +Johannes Ranke +} + diff --git a/pkg/man/SFO_actual_twa.Rd b/pkg/man/SFO_actual_twa.Rd new file mode 100644 index 0000000..967b60f --- /dev/null +++ b/pkg/man/SFO_actual_twa.Rd @@ -0,0 +1,29 @@ +% Generated by roxygen2 (4.1.0.9001): do not edit by hand +% Please edit documentation in R/SFO_actual_twa.R +\name{SFO_actual_twa} +\alias{SFO_actual_twa} +\title{Actual and maximum moving window time average concentrations for SFO kinetics} +\source{ +FOCUS (2014) Generic Guidance for Estimating Persistence and Degradation + Kinetics from Environmental Fate Studies on Pesticides in EU Registratin, Version 1.1, + 18 December 2014, p. 251 +} +\usage{ +SFO_actual_twa(DT50 = 1000, times = c(0, 1, 2, 4, 7, 14, 21, 28, 42, 50, + 100)) +} +\arguments{ +\item{DT50}{The half-life.} + +\item{times}{The output times, and window sizes for time weighted average concentrations} +} +\description{ +Actual and maximum moving window time average concentrations for SFO kinetics +} +\examples{ +SFO_actual_twa(10) +} +\author{ +Johannes Ranke +} + diff --git a/pkg/man/pfm_degradation.Rd b/pkg/man/pfm_degradation.Rd new file mode 100644 index 0000000..b875434 --- /dev/null +++ b/pkg/man/pfm_degradation.Rd @@ -0,0 +1,35 @@ +% Generated by roxygen2 (4.1.0.9001): do not edit by hand +% Please edit documentation in R/pfm_degradation.R +\name{pfm_degradation} +\alias{pfm_degradation} +\title{Calculate a time course of relative concentrations based on an mkinmod model} +\usage{ +pfm_degradation(model = "SFO", DT50 = 1000, parms = c(k_parent_sink = + log(2)/DT50), years = 1, step_days = 1, times = seq(0, years * 365, by = + step_days)) +} +\arguments{ +\item{model}{The degradation model to be used. Either a parent only model like +'SFO' or 'FOMC', or an mkinmod object} + +\item{DT50}{The half-life. This is only used when simple exponential decline +is calculated (SFO model).} + +\item{parms}{The parameters used for the degradation model} + +\item{years}{For how many years should the degradation be predicted?} + +\item{step_days}{What step size in days should the output have?} + +\item{times}{The output times} +} +\description{ +Calculate a time course of relative concentrations based on an mkinmod model +} +\examples{ +pfm_degradation("SFO", DT50 = 10) +} +\author{ +Johannes Ranke +} + -- cgit v1.2.1