From ea9b75183bcf41fcdd6f61ec6060e94c4bc321a2 Mon Sep 17 00:00:00 2001 From: Johannes Ranke Date: Thu, 11 Jun 2015 12:13:47 +0200 Subject: Add simple drift PEC ini calculations These are tested for field crops with the CRD spreadsheet --- README.md | 43 ++++++++++++++++++++++++++++++++----------- 1 file changed, 32 insertions(+), 11 deletions(-) (limited to 'README.md') diff --git a/README.md b/README.md index 1f70a86..1e9c805 100644 --- a/README.md +++ b/README.md @@ -39,6 +39,13 @@ Read in and analyse a cwa file: ```r library(pfm) +``` + +``` +## Loading required package: R6 +``` + +```r example_cwa <- read.TOXSWA_cwa("00003s_pa.cwa") plot(example_cwa) ``` @@ -105,16 +112,30 @@ drift_data_JKI[1] ``` ## [[1]] -## crop -## distance Ackerbau Obstbau früh Obstbau spät -## 1.000000 2.77 NA NA -## 3.000000 NA 29.20 15.73 -## 5.000000 0.57 19.89 8.41 -## 10.000000 0.29 11.81 3.60 -## 15.000000 0.20 5.55 1.81 -## 20.000000 0.15 2.77 1.09 -## 30.000000 0.10 1.04 0.54 -## 40.000000 0.07 0.52 0.32 -## 50.000000 0.06 0.30 0.22 +## crop +## distance Ackerbau Obstbau früh Obstbau spät +## 1 2.77 NA NA +## 3 NA 29.20 15.73 +## 5 0.57 19.89 8.41 +## 10 0.29 11.81 3.60 +## 15 0.20 5.55 1.81 +## 20 0.15 2.77 1.09 +## 30 0.10 1.04 0.54 +## 40 0.07 0.52 0.32 +## 50 0.06 0.30 0.22 +``` + +### PEC surface water due to drift + +Initial PEC values for an application of 100 g/ha in the vicinity of a 30 cm +deep water body are obtained using + + +```r +PEC_sw_drift(100, applications = 1) ``` +``` +## 1 m 5 m 10 m 20 m +## 0.92333333 0.19000000 0.09666667 0.05000000 +``` -- cgit v1.2.1