/span><span class="p">(:,:,:),</span><span class="k">allocatable</span> <span class="kd">::</span> <span class="n">dfdt</span>
    <span class="c">!! Advective tendency</span>

  <span class="kt">integer</span><span class="p">(</span><span class="nb">kind</span><span class="o">=</span><span class="n">ik</span><span class="p">)</span> <span class="kd">::</span> <span class="n">i</span><span class="p">,</span><span class="n">j</span><span class="p">,</span><span class="n">m</span>
  <span class="kt">integer</