PEC_sw_drift_ini. pfm 0.2-4

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")

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Arguments

rate: Application rate in units specified below
applications: Number of applications for selection of drift percentile
water_depth: Depth of the water body in cm
drift_data: Source of drift percentage data
crop: Crop name (use German names for JKI data), defaults to "Ackerbau"
distances: The distances in m for which to get PEC values
rate_units: Defaults to g/ha
PEC_units: Requested units for the calculated PEC. Only µg/L currently supported

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Value

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-The predicted concentration in surface water -

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Description

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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.

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Examples

PEC_sw_drift_ini(100)
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-       1 m        5 m       10 m       20 m 
-0.92333333 0.19000000 0.09666667 0.05000000 
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Author