1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
<!DOCTYPE html>
<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><meta name="description" content='This is a reimplementation of the calculation described in the Exposit 3.02 spreadsheet file,
in the worksheet "Konzept Drainage". Although there are four groups of
compounds ("Gefährdungsgruppen"), only one distinction is made in the
calculations, between compounds with low mobility (group 1) and compounds
with modest to high mobility (groups 2, 3 and 4). In this implementation,
the group is derived only from the Koc, if not given explicitly. For
details, see the discussion of the function arguments below.'><title>Calculate PEC surface water due to drainage as in Exposit 3 — PEC_sw_exposit_drainage • pfm</title><script src="../deps/jquery-3.6.0/jquery-3.6.0.min.js"></script><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><link href="../deps/bootstrap-5.3.1/bootstrap.min.css" rel="stylesheet"><script src="../deps/bootstrap-5.3.1/bootstrap.bundle.min.js"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous"><!-- bootstrap-toc --><script src="https://cdn.jsdelivr.net/gh/afeld/bootstrap-toc@v1.0.1/dist/bootstrap-toc.min.js" integrity="sha256-4veVQbu7//Lk5TSmc7YV48MxtMy98e26cf5MrgZYnwo=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script><!-- search --><script src="https://cdnjs.cloudflare.com/ajax/libs/fuse.js/6.4.6/fuse.js" integrity="sha512-zv6Ywkjyktsohkbp9bb45V6tEMoWhzFzXis+LrMehmJZZSys19Yxf1dopHx7WzIKxr5tK2dVcYmaCk2uqdjF4A==" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/autocomplete.js/0.38.0/autocomplete.jquery.min.js" integrity="sha512-GU9ayf+66Xx2TmpxqJpliWbT5PiGYxpaG8rfnBEk1LL8l1KGkRShhngwdXK1UgqhAzWpZHSiYPc09/NwDQIGyg==" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/mark.min.js" integrity="sha512-5CYOlHXGh6QpOFA/TeTylKLWfB3ftPsde7AnmhuitiTX4K5SqCLBeKro6sPS8ilsz1Q4NRx3v8Ko2IBiszzdww==" crossorigin="anonymous"></script><!-- pkgdown --><script src="../pkgdown.js"></script><meta property="og:title" content="Calculate PEC surface water due to drainage as in Exposit 3 — PEC_sw_exposit_drainage"><meta property="og:description" content='This is a reimplementation of the calculation described in the Exposit 3.02 spreadsheet file,
in the worksheet "Konzept Drainage". Although there are four groups of
compounds ("Gefährdungsgruppen"), only one distinction is made in the
calculations, between compounds with low mobility (group 1) and compounds
with modest to high mobility (groups 2, 3 and 4). In this implementation,
the group is derived only from the Koc, if not given explicitly. For
details, see the discussion of the function arguments below.'><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script><!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]--></head><body>
<a href="#main" class="visually-hidden-focusable">Skip to contents</a>
<nav class="navbar fixed-top navbar-light navbar-expand-lg bg-light"><div class="container">
<a class="navbar-brand me-2" href="../index.html">pfm</a>
<small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">0.6.1</small>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div id="navbar" class="collapse navbar-collapse ms-3">
<ul class="navbar-nav me-auto"><li class="active nav-item">
<a class="nav-link" href="../reference/index.html">Reference</a>
</li>
</ul><form class="form-inline my-2 my-lg-0" role="search">
<input type="search" class="form-control me-sm-2" aria-label="Toggle navigation" name="search-input" data-search-index="../search.json" id="search-input" placeholder="Search for" autocomplete="off"></form>
<ul class="navbar-nav"><li class="nav-item">
<a class="external-link nav-link" href="https://github.com/jranke/pfm/" aria-label="github">
<span class="fab fa fab fa-github fa-lg"></span>
</a>
</li>
</ul></div>
</div>
</nav><div class="container template-reference-topic">
<div class="row">
<main id="main" class="col-md-9"><div class="page-header">
<img src="" class="logo" alt=""><h1>Calculate PEC surface water due to drainage as in Exposit 3</h1>
<small class="dont-index">Source: <a href="https://github.com/jranke/pfm/blob/HEAD/R/PEC_sw_exposit_runoff.R" class="external-link"><code>R/PEC_sw_exposit_runoff.R</code></a></small>
<div class="d-none name"><code>PEC_sw_exposit_drainage.Rd</code></div>
</div>
<div class="ref-description section level2">
<p>This is a reimplementation of the calculation described in the Exposit 3.02 spreadsheet file,
in the worksheet "Konzept Drainage". Although there are four groups of
compounds ("Gefährdungsgruppen"), only one distinction is made in the
calculations, between compounds with low mobility (group 1) and compounds
with modest to high mobility (groups 2, 3 and 4). In this implementation,
the group is derived only from the Koc, if not given explicitly. For
details, see the discussion of the function arguments below.</p>
</div>
<div class="section level2">
<h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
<div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">PEC_sw_exposit_drainage</span><span class="op">(</span></span>
<span> <span class="va">rate</span>,</span>
<span> interception <span class="op">=</span> <span class="fl">0</span>,</span>
<span> Koc <span class="op">=</span> <span class="cn">NA</span>,</span>
<span> mobility <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="cn">NA</span>, <span class="st">"low"</span>, <span class="st">"high"</span><span class="op">)</span>,</span>
<span> DT50 <span class="op">=</span> <span class="cn">Inf</span>,</span>
<span> t_drainage <span class="op">=</span> <span class="fl">3</span>,</span>
<span> V_ditch <span class="op">=</span> <span class="fl">30</span>,</span>
<span> V_drainage <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span>spring <span class="op">=</span> <span class="fl">10</span>, autumn <span class="op">=</span> <span class="fl">100</span><span class="op">)</span>,</span>
<span> dilution <span class="op">=</span> <span class="fl">2</span></span>
<span><span class="op">)</span></span></code></pre></div>
</div>
<div class="section level2">
<h2 id="source">Source<a class="anchor" aria-label="anchor" href="#source"></a></h2>
<p>Excel 3.02 spreadsheet available from
<a href="https://www.bvl.bund.de/SharedDocs/Downloads/04_Pflanzenschutzmittel/zul_umwelt_exposit.html" class="external-link">https://www.bvl.bund.de/SharedDocs/Downloads/04_Pflanzenschutzmittel/zul_umwelt_exposit.html</a></p>
</div>
<div class="section level2">
<h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>
<dl><dt>rate</dt>
<dd><p>The application rate in g/ha</p></dd>
<dt>interception</dt>
<dd><p>The fraction intercepted by the crop</p></dd>
<dt>Koc</dt>
<dd><p>The sorption coefficient to soil organic carbon used to determine the mobility. A trigger
value of 550 L/kg is used in order to decide if Koc >> 500.</p></dd>
<dt>mobility</dt>
<dd><p>Overrides what is determined from the Koc.</p></dd>
<dt>DT50</dt>
<dd><p>The soil half-life in days</p></dd>
<dt>t_drainage</dt>
<dd><p>The time between application and the drainage event, where degradation occurs, in days</p></dd>
<dt>V_ditch</dt>
<dd><p>The volume of the ditch is assumed to be 1 m * 100 m * 30 cm = 30 m3</p></dd>
<dt>V_drainage</dt>
<dd><p>The drainage volume, equivalent to 1 mm precipitation on 1 ha for spring/summer or 10 mm for
autumn/winter/early spring.</p></dd>
<dt>dilution</dt>
<dd><p>The dilution factor</p></dd>
</dl></div>
<div class="section level2">
<h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
<p>A list containing the following components</p><dl><dt>perc_runoff</dt>
<dd><p>The runoff percentages for dissolved and bound substance</p></dd>
<dt>runoff</dt>
<dd><p>A matrix containing dissolved and bound input for the different distances</p></dd>
<dt>PEC_sw_runoff</dt>
<dd><p>A matrix containing PEC values for dissolved and bound substance
for the different distances. If the rate was given in g/ha, the PECsw are in microg/L.</p></dd>
</dl></div>
<div class="section level2">
<h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
<div class="dont-index"><p><code><a href="perc_runoff_exposit.html">perc_runoff_exposit</a></code> for runoff loss percentages and <code><a href="perc_runoff_reduction_exposit.html">perc_runoff_reduction_exposit</a></code> for runoff reduction percentages used</p></div>
</div>
<div class="section level2">
<h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
<div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span> <span class="fu">PEC_sw_exposit_drainage</span><span class="op">(</span><span class="fl">500</span>, Koc <span class="op">=</span> <span class="fl">150</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#></span> $perc_drainage_total</span>
<span class="r-out co"><span class="r-pr">#></span> spring autumn </span>
<span class="r-out co"><span class="r-pr">#></span> 0.2 1.0 </span>
<span class="r-out co"><span class="r-pr">#></span> </span>
<span class="r-out co"><span class="r-pr">#></span> $perc_peak</span>
<span class="r-out co"><span class="r-pr">#></span> spring autumn </span>
<span class="r-out co"><span class="r-pr">#></span> 12.5 25.0 </span>
<span class="r-out co"><span class="r-pr">#></span> </span>
<span class="r-out co"><span class="r-pr">#></span> $PEC_sw_drainage</span>
<span class="r-out co"><span class="r-pr">#></span> spring autumn </span>
<span class="r-out co"><span class="r-pr">#></span> 1.562500 4.807692 </span>
<span class="r-out co"><span class="r-pr">#></span> </span>
</code></pre></div>
</div>
</main><aside class="col-md-3"><nav id="toc"><h2>On this page</h2>
</nav></aside></div>
<footer><div class="pkgdown-footer-left">
<p></p><p>Developed by Johannes Ranke.</p>
</div>
<div class="pkgdown-footer-right">
<p></p><p>Site built with <a href="https://pkgdown.r-lib.org/" class="external-link">pkgdown</a> 2.0.7.</p>
</div>
</footer></div>
</body></html>
|
