aboutsummaryrefslogtreecommitdiff
path: root/inst/web/GUS.html
diff options
context:
space:
mode:
Diffstat (limited to 'inst/web/GUS.html')
-rw-r--r--inst/web/GUS.html160
1 files changed, 160 insertions, 0 deletions
diff --git a/inst/web/GUS.html b/inst/web/GUS.html
new file mode 100644
index 0000000..a330be2
--- /dev/null
+++ b/inst/web/GUS.html
@@ -0,0 +1,160 @@
+<!DOCTYPE html>
+<html lang="en">
+ <head>
+ <meta charset="utf-8">
+<title>GUS. pfm 0.3-7</title>
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+<meta name="author" content="
+Johannes Ranke
+">
+
+<link href="css/bootstrap.css" rel="stylesheet">
+<link href="css/bootstrap-responsive.css" rel="stylesheet">
+<link href="css/highlight.css" rel="stylesheet">
+<link href="css/staticdocs.css" rel="stylesheet">
+
+<!--[if lt IE 9]>
+ <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
+<![endif]-->
+
+<script type="text/x-mathjax-config">
+ MathJax.Hub.Config({
+ tex2jax: {
+ inlineMath: [ ['$','$'], ["\\(","\\)"] ],
+ processEscapes: true
+ }
+ });
+</script>
+<script type="text/javascript"
+ src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
+</script>
+ </head>
+
+ <body>
+ <div class="navbar">
+ <div class="navbar-inner">
+ <div class="container">
+ <a class="brand" href="#">pfm 0.3-7</a>
+ <div class="nav">
+ <ul class="nav">
+ <li><a href="index.html"><i class="icon-home icon-white"></i> Index</a></li>
+ </ul>
+ </div>
+ </div>
+ </div>
+</div>
+
+ <div class="container">
+ <header>
+
+ </header>
+
+ <h1>Groundwater ubiquity score based on Gustafson (1989)</h1>
+
+<div class="row">
+ <div class="span8">
+ <h2>Usage</h2>
+ <pre><div>GUS(...)</div>
+<div>"GUS"(DT50, Koc, ...)</div>
+<div>"GUS"(chent, degradation_value&nbsp;=&nbsp;"DT50ref", lab_field&nbsp;=&nbsp;"laboratory", redox&nbsp;=&nbsp;"aerobic", sorption_value&nbsp;=&nbsp;"Kfoc", degradation_aggregator&nbsp;=&nbsp;geomean, sorption_aggregator&nbsp;=&nbsp;geomean, ...)</div>
+<div>"print"(x, ..., digits&nbsp;=&nbsp;1)</div></pre>
+
+ <h2>Arguments</h2>
+ <dl>
+ <dt>...</dt>
+ <dd>Included in the generic to allow for further arguments later. Therefore
+this also had to be added to the specific methods.</dd>
+ <dt>DT50</dt>
+ <dd>Half-life of the chemical in soil. Should be a field
+half-life according to Gustafson (1989). However, leaching to the sub-soil
+can not completely be excluded in field dissipation experiments and Gustafson
+did not refer to any normalisation procedure, but says the field study should
+be conducted under use conditions.</dd>
+ <dt>Koc</dt>
+ <dd>The sorption constant normalised to organic carbon. Gustafson
+does not mention the nonlinearity of the sorption constant commonly
+found and usually described by Freundlich sorption, therefore it is
+unclear at which reference concentration the Koc should be observed
+(and if the reference concentration would be in soil or in porewater).</dd>
+ <dt>chent</dt>
+ <dd>If a chent is given with appropriate information present in its
+chyaml field, this information is used, with defaults specified below.</dd>
+ <dt>degradation_value</dt>
+ <dd>Which of the available degradation values should
+be used?</dd>
+ <dt>lab_field</dt>
+ <dd>Should laboratory or field half-lives be used? This
+defaults to lab in this implementation, in order to avoid
+double-accounting for mobility. If comparability with the original GUS
+values given by Gustafson (1989) is desired, non-normalised first-order
+field half-lives obtained under actual use conditions should be used.</dd>
+ <dt>redox</dt>
+ <dd>Aerobic or anaerobic degradation data</dd>
+ <dt>sorption_value</dt>
+ <dd>Which of the available sorption values should be used?
+Defaults to Kfoc as this is what is generally available from the European
+pesticide peer review process. These values generally use a reference
+concentration of 1 mg/L in porewater, that means they would be expected to
+be Koc values at a concentration of 1 mg/L in the water phase.</dd>
+ <dt>degradation_aggregator</dt>
+ <dd>Function for aggregating half-lives</dd>
+ <dt>sorption_aggregator</dt>
+ <dd>Function for aggregation Koc values</dd>
+ <dt>x</dt>
+ <dd>An object of class GUS_result to be printed</dd>
+ <dt>digits</dt>
+ <dd>The number of digits used in the print method</dd>
+ </dl>
+
+ <div class="Value">
+ <h2>Value</h2>
+
+ <p><dl>
+A list with the DT50 and Koc used as well as the resulting score
+ of class GUS_result
+</dl></p>
+
+ </div>
+
+ <div class="Description">
+ <h2>Description</h2>
+
+ <p>The groundwater ubiquity score GUS is calculated according to
+the following equation
+$$GUS = \log_{10} DT50_{soil} (4 - \log_{10} K_{oc})$$</p>
+
+ </div>
+
+ <div class="References">
+ <h2>References</h2>
+
+ <p>Gustafson, David I. (1989) Groundwater ubiquity score: a simple
+method for assessing pesticide leachability. <em>Environmental
+toxicology and chemistry</em> <b>8</b>(4) 339–57.</p>
+
+ </div>
+ </div>
+ <div class="span4">
+ <!-- <ul>
+ <li>GUS</li><li>GUS.chent</li><li>GUS.numeric</li><li>print.GUS_result</li>
+ </ul>
+ <ul>
+
+ </ul> -->
+
+
+ <h2>Author</h2>
+
+Johannes Ranke
+
+
+ </div>
+</div>
+
+ <footer>
+ <p class="pull-right"><a href="#">Back to top</a></p>
+<p>Built by <a href="https://github.com/hadley/staticdocs">staticdocs</a>. Styled with <a href="http://twitter.github.com/bootstrap">bootstrap</a>.</p>
+ </footer>
+ </div>
+ </body>
+</html> \ No newline at end of file

Contact - Imprint