d arrows point from a module or program unit to 
    modules which it uses.
    </p>
    </div></div></div></div>
      </li>
      
      </ul>
    </div>
    


    
    <p>Compute the downward flux of long-wave radiation</p>
    

    <h3>Arguments</h3>
    
      
<table class="table table-striped varlist">
<thead><tr><th>Type</th>
<th>Intent</th><th>Optional</th>
<th>Attributes</th><th></th><th>Name</th><th></th></thead>



<tbody>

  
  
  
  
<tr>
  
  <td><span class="anchor" id="variable-ta"></span