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| 65 | <div class="version"> |
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| 66 | 7.1 |
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| 90 | <p class="caption"><span class="caption-text">Table of Contents:</span></p> |
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| 91 | <ul class="current"> |
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| 92 | <li class="toctree-l1"><a class="reference internal" href="../installation.html">Installation</a></li> |
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| 93 | <li class="toctree-l1"><a class="reference internal" href="../quick_start.html">Quick Start</a></li> |
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| 94 | <li class="toctree-l1"><a class="reference internal" href="../ecmwf_data.html">ECMWF Data</a></li> |
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| 96 | <li class="toctree-l2 current"><a class="current reference internal" href="#">Overview</a><ul> |
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| 97 | <li class="toctree-l3"><a class="reference internal" href="Overview/app_modes.html">Application Modes</a></li> |
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| 98 | <li class="toctree-l3"><a class="reference internal" href="Overview/prog_flow.html">Program Flow</a></li> |
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| 99 | </ul> |
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| 100 | </li> |
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| 101 | <li class="toctree-l2"><a class="reference internal" href="input.html">Control & Input Data</a></li> |
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| 102 | <li class="toctree-l2"><a class="reference internal" href="output.html">Output Data</a></li> |
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| 103 | <li class="toctree-l2"><a class="reference internal" href="disagg.html">Disaggregation of Flux Data</a></li> |
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| 104 | <li class="toctree-l2"><a class="reference internal" href="vertco.html">Vertical Coordinate</a></li> |
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| 106 | </ul> |
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| 180 | <div class="section" id="overview"> |
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| 181 | <h1>Overview<a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h1> |
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| 182 | <p><code class="docutils literal notranslate"><span class="pre">Flex_extract</span></code> is an open-source software to retrieve meteorological fields from the European Centre for Medium-Range Weather Forecasts (ECMWF) Mars archive to serve as input files for the <code class="docutils literal notranslate"><span class="pre">FLEXTRA</span></code>/<code class="docutils literal notranslate"><span class="pre">FLEXPART</span></code> Atmospheric Transport Modelling system. |
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| 183 | <code class="docutils literal notranslate"><span class="pre">Flex_extract</span></code> was created explicitly for <code class="docutils literal notranslate"><span class="pre">FLEXPART</span></code> users who wants to use meteorological data from ECMWF to drive the <code class="docutils literal notranslate"><span class="pre">FLEXPART</span></code> model. |
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| 184 | The software retrieves the minimal number of parameters <code class="docutils literal notranslate"><span class="pre">FLEXPART</span></code> needs to work and provides the data in the explicity format <code class="docutils literal notranslate"><span class="pre">FLEXPART</span></code> understands.</p> |
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| 185 | <dl class="docutils"> |
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| 186 | <dt><code class="docutils literal notranslate"><span class="pre">Flex_extract</span></code> consists of 2 main parts:</dt> |
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| 187 | <dd><ol class="first last arabic simple"> |
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| 188 | <li>a Python part, where the reading of parameter settings, retrieving data from MARS and preparing the data for <code class="docutils literal notranslate"><span class="pre">FLEXPART</span></code> is done and</li> |
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| 189 | <li>a Fortran part, where the calculation of the vertical velocity is done and if necessary the conversion from spectral to regular latitude/longitude grids.</li> |
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| 190 | </ol> |
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| 191 | </dd> |
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| 192 | </dl> |
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| 193 | <p>Additionally, it has some Korn shell scripts which are used to set the environment and batch job features on ECMWF servers for the <em>gateway</em> and <em>remote</em> mode. See <a class="reference internal" href="Overview/app_modes.html"><span class="doc">Application Modes</span></a> for information of application modes.</p> |
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| 194 | <p>A number of Shell scripts are wrapped around the software package for easy installation and fast job submission.</p> |
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| 195 | <p>The software depends on a number of third-party libraries which can be found in <a class="reference internal" href="../installation.html#ref-requirements"><span class="std std-ref">Dependencies</span></a>.</p> |
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| 196 | <p>Some details on the tasks and program worksteps are described in <a class="reference internal" href="Overview/prog_flow.html"><span class="doc">Program Flow</span></a>.</p> |
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