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degradation according to FOCUS guidance</h1> + <small class="dont-index">Source: <a href='https://github.com/jranke/mkin/blob/master/R/f_time_norm_focus.R'><code>R/f_time_norm_focus.R</code></a></small> + <div class="hidden name"><code>f_time_norm_focus.Rd</code></div> + </div> + + <div class="ref-description"> + <p>Time step normalisation factors for aerobic soil degradation as described +in Appendix 8 to the FOCUS kinetics guidance (FOCUS 2014, p. 369).</p> + </div> + + <pre class="usage"><span class='fu'>f_time_norm_focus</span><span class='op'>(</span><span class='va'>object</span>, <span class='va'>...</span><span class='op'>)</span> + +<span class='co'># S3 method for numeric</span> +<span class='fu'>f_time_norm_focus</span><span class='op'>(</span> + <span class='va'>object</span>, + moisture <span class='op'>=</span> <span class='cn'>NA</span>, + field_moisture <span class='op'>=</span> <span class='cn'>NA</span>, + temperature <span class='op'>=</span> <span class='va'>object</span>, + Q10 <span class='op'>=</span> <span class='fl'>2.58</span>, + walker <span class='op'>=</span> <span class='fl'>0.7</span>, + f_na <span class='op'>=</span> <span class='cn'>NA</span>, + <span class='va'>...</span> +<span class='op'>)</span> + +<span class='co'># S3 method for mkindsg</span> +<span class='fu'>f_time_norm_focus</span><span class='op'>(</span> + <span class='va'>object</span>, + study_moisture_ref_source <span class='op'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='st'>"meta"</span>, <span class='st'>"focus"</span><span class='op'>)</span>, + Q10 <span class='op'>=</span> <span class='fl'>2.58</span>, + walker <span class='op'>=</span> <span class='fl'>0.7</span>, + f_na <span class='op'>=</span> <span class='cn'>NA</span>, + <span class='va'>...</span> +<span class='op'>)</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>object</th> + <td><p>An object containing information used for the calculations</p></td> + </tr> + <tr> + <th>...</th> + <td><p>Currently not used</p></td> + </tr> + <tr> + <th>moisture</th> + <td><p>Numeric vector of moisture contents in \% w/w</p></td> + </tr> + <tr> + <th>field_moisture</th> + <td><p>Numeric vector of moisture contents at field capacity +(pF2) in \% w/w</p></td> + </tr> + <tr> + <th>temperature</th> + <td><p>Numeric vector of temperatures in °C</p></td> + </tr> + <tr> + <th>Q10</th> + <td><p>The Q10 value used for temperature normalisation</p></td> + </tr> + <tr> + <th>walker</th> + <td><p>The Walker exponent used for moisture normalisation</p></td> + </tr> + <tr> + <th>f_na</th> + <td><p>The factor to use for NA values. If set to NA, only factors +for complete cases will be returned.</p></td> + </tr> + <tr> + <th>study_moisture_ref_source</th> + <td><p>Source for the reference value +used to calculate the study moisture</p></td> + </tr> + </table> + + <h2 class="hasAnchor" id="references"><a class="anchor" href="#references"></a>References</h2> + + <p>FOCUS (2006) “Guidance Document on Estimating Persistence +and Degradation Kinetics from Environmental Fate Studies on Pesticides in +EU Registration” Report of the FOCUS Work Group on Degradation Kinetics, +EC Document Reference Sanco/10058/2005 version 2.0, 434 pp, +<a href='http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics'>http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics</a> +FOCUS (2014) “Generic guidance for Estimating Persistence +and Degradation Kinetics from Environmental Fate Studies on Pesticides in +EU Registration” Report of the FOCUS Work Group on Degradation Kinetics, +Version 1.1, 18 December 2014 +<a href='http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics'>http://esdac.jrc.ec.europa.eu/projects/degradation-kinetics</a></p> + <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2> + + <div class='dont-index'><p><a href='focus_soil_moisture.html'>focus_soil_moisture</a></p></div> + + <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2> + <pre class="examples"><div class='input'><span class='fu'>f_time_norm_focus</span><span class='op'>(</span><span class='fl'>25</span>, <span class='fl'>20</span>, <span class='fl'>25</span><span class='op'>)</span> <span class='co'># 1.37, compare FOCUS 2014 p. 184</span> +</div><div class='output co'>#> [1] 1.373956</div><div class='input'> +<span class='va'>D24_2014</span><span class='op'>$</span><span class='va'>meta</span> +</div><div class='output co'>#> study usda_soil_type study_moisture_ref_type rel_moisture +#> 1 Cohen 1991 Silt loam <NA> NA +#> 2 Liu and Adelfinskaya 2011 Silt loam pF1 0.5 +#> 3 Liu and Adelfinskaya 2011 Loam pF1 0.5 +#> 4 Liu and Adelfinskaya 2011 Loam pF1 0.5 +#> 5 Liu and Adelfinskaya 2011 Loamy sand pF1 0.5 +#> temperature +#> 1 25 +#> 2 20 +#> 3 20 +#> 4 20 +#> 5 20</div><div class='input'><span class='co'># No moisture normalisation in the first dataset, so we use f_na = 1 to get</span> +<span class='co'># temperature only normalisation as in the EU evaluation</span> +<span class='fu'>f_time_norm_focus</span><span class='op'>(</span><span class='va'>D24_2014</span>, study_moisture_ref_source <span class='op'>=</span> <span class='st'>"focus"</span>, f_na <span class='op'>=</span> <span class='fl'>1</span><span class='op'>)</span> +</div><div class='output co'>#> $time_norm was set to +#> [1] 1.6062378 0.7118732 0.7156063 0.7156063 0.8977124</div><div class='output co'>#> [1] 1.6062378 0.7118732 0.7156063 0.7156063 0.8977124</div></pre> + </div> + <div class="col-md-3 hidden-xs hidden-sm" id="pkgdown-sidebar"> + <nav id="toc" data-toggle="toc" class="sticky-top"> + <h2 data-toc-skip>Contents</h2> + </nav> + </div> +</div> + + + <footer> + <div class="copyright"> + <p>Developed by Johannes Ranke.</p> +</div> + +<div class="pkgdown"> + <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.6.1.</p> +</div> + + </footer> + </div> + + + + + </body> +</html> + + |