aboutsummaryrefslogblamecommitdiff
path: root/docs/reference/PEC_sw_exposit_runoff.html
blob: a99821d2972551ee7923acb50904e4e238b57668 (plain) (tree)



















                                                                                                                                                                                                                      

                                                                                                                                                                                                              




                                                   


                                                                                                                                      
 


                                                                                                                                      


























                                                                                                         





                                          
































































                                                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                                                                                     



                                                                                   



                                                                                                            








                                                                                                                                                                                                                                                    


                                                                                                                                                                                                     
      
             




































                                                         
                                                                         






               
<!-- Generated by pkgdown: do not edit by hand -->
<!DOCTYPE html>
<html>
  <head>
  <meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">

<title>Calculate PEC surface water due to runoff and erosion as in Exposit 3 — PEC_sw_exposit_runoff • pfm</title>

<!-- jquery -->
<script src="https://code.jquery.com/jquery-3.1.0.min.js" integrity="sha384-nrOSfDHtoPMzJHjVTdCopGqIqeYETSXhZDFyniQ8ZHcVy08QesyHcnOUpMpqnmWq" crossorigin="anonymous"></script>
<!-- Bootstrap -->

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

<!-- Font Awesome icons -->
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-T8Gy5hrqNKT+hzMclPo118YTQO6cYprQmhrYwIiQ/3axmI1hQomh7Ud2hPOy8SP1" crossorigin="anonymous">

<!-- clipboard.js -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js" integrity="sha384-cV+rhyOuRHc9Ub/91rihWcGmMmCXDeksTtCihMupQHSsi8GIIRDG0ThDc3HGQFJ3" crossorigin="anonymous"></script>

<!-- pkgdown -->
<link href="../pkgdown.css" rel="stylesheet">
<script src="../jquery.sticky-kit.min.js"></script>
<script src="../pkgdown.js"></script>
  
  
<meta property="og:title" content="Calculate PEC surface water due to runoff and erosion as in Exposit 3 — PEC_sw_exposit_runoff" />

<meta property="og:description" content="This is a reimplementation of the calculation described in the Exposit 3.01 spreadsheet file,
in the worksheet "Konzept Runoff". Calculation of sediment PEC values is not implemented." />
<meta name="twitter:card" content="summary" />
<!-- mathjax -->
<script src='https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></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>
    <div class="container template-reference-topic">
      <header>
      <div class="navbar navbar-default navbar-fixed-top" role="navigation">
  <div class="container">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar">
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="../index.html">pfm</a>
    </div>
    <div id="navbar" class="navbar-collapse collapse">
      <ul class="nav navbar-nav">
        <li>
  <a href="../index.html">
    <span class="fa fa-home fa-lg"></span>
     
  </a>
</li>
<li>
  <a href="../reference/index.html">Reference</a>
</li>
      </ul>
      
      <ul class="nav navbar-nav navbar-right">
        
      </ul>
    </div><!--/.nav-collapse -->
  </div><!--/.container -->
</div><!--/.navbar -->

      
      </header>

      <div class="row">
  <div class="col-md-9 contents">
    <div class="page-header">
    <h1>Calculate PEC surface water due to runoff and erosion as in Exposit 3</h1>
    </div>

    
    <p>This is a reimplementation of the calculation described in the Exposit 3.01 spreadsheet file,
in the worksheet "Konzept Runoff". Calculation of sediment PEC values is not implemented.</p>
    

    <pre class="usage"><span class='fu'>PEC_sw_exposit_runoff</span>(<span class='no'>rate</span>, <span class='no'>Koc</span>, <span class='kw'>DT50</span> <span class='kw'>=</span> <span class='fl'>Inf</span>, <span class='kw'>t_runoff</span> <span class='kw'>=</span> <span class='fl'>3</span>,
  <span class='kw'>exposit_reduction_version</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='st'>"3.01"</span>, <span class='st'>"2.0"</span>), <span class='kw'>V_ditch</span> <span class='kw'>=</span> <span class='fl'>30</span>,
  <span class='kw'>V_event</span> <span class='kw'>=</span> <span class='fl'>100</span>)</pre>
    
    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a> Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>rate</th>
      <td><p>The application rate in g/ha</p></td>
    </tr>
    <tr>
      <th>Koc</th>
      <td><p>The sorption coefficient to soil organic carbon</p></td>
    </tr>
    <tr>
      <th>DT50</th>
      <td><p>The soil half-life in days</p></td>
    </tr>
    <tr>
      <th>t_runoff</th>
      <td><p>The time between application and the runoff event, where degradation occurs, in days</p></td>
    </tr>
    <tr>
      <th>exposit_reduction_version</th>
      <td><p>The version of the reduction factors to be used</p></td>
    </tr>
    <tr>
      <th>V_ditch</th>
      <td><p>The volume of the ditch is assumed to be 1 m * 100 m * 30 cm = 30 m3</p></td>
    </tr>
    <tr>
      <th>V_event</th>
      <td><p>The unreduced runoff volume, equivalent to 10 mm precipitation on 1 ha</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>

    <p>Excel 3.01 spreadsheet available from
  <a href='https://www.bvl.bund.de/DE/04_Pflanzenschutzmittel/03_Antragsteller/04_Zulassungsverfahren/07_Naturhaushalt/psm_naturhaush_node.html#doc1400590bodyText3'>https://www.bvl.bund.de/DE/04_Pflanzenschutzmittel/03_Antragsteller/04_Zulassungsverfahren/07_Naturhaushalt/psm_naturhaush_node.html#doc1400590bodyText3</a></p>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>A list containing the following components</p><dl class='dl-horizontal'>
    <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>

    
    <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>

    <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>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'>  <span class='fu'>PEC_sw_exposit_runoff</span>(<span class='fl'>500</span>, <span class='fl'>150</span>)</div><div class='output co'>#&gt; $perc_runoff
#&gt; dissolved     bound 
#&gt;     0.248     0.001 
#&gt; 
#&gt; $runoff
#&gt;           dissolved   bound   total
#&gt; No buffer     1.240 0.00500 1.24500
#&gt; 5 m           0.744 0.00300 0.74700
#&gt; 10 m          0.496 0.00075 0.49675
#&gt; 20 m          0.248 0.00025 0.24825
#&gt; 
#&gt; $PEC_sw_runoff
#&gt;           dissolved       bound    total
#&gt; No buffer  4.769231 0.019230769 4.788462
#&gt; 5 m        4.133333 0.016666667 4.150000
#&gt; 10 m       3.542857 0.005357143 3.548214
#&gt; 20 m       2.480000 0.002500000 2.482500
#&gt; </div></pre>
  </div>
  <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
    <h2>Contents</h2>
    <ul class="nav nav-pills nav-stacked">
      <li><a href="#arguments">Arguments</a></li>
      
      <li><a href="#source">Source</a></li>

      <li><a href="#value">Value</a></li>

      <li><a href="#see-also">See also</a></li>
      
      <li><a href="#examples">Examples</a></li>
    </ul>

  </div>
</div>

      <footer>
      <div class="copyright">
  <p>Developed by Johannes Ranke.</p>
</div>

<div class="pkgdown">
  <p>Site built with <a href="http://pkgdown.r-lib.org/">pkgdown</a>.</p>
</div>

      </footer>
   </div>

  </body>
</html>

Contact - Imprint