ss="n">t</span><span class="p">)</span>
    <span class="n">nanstart</span> <span class="o">=</span> <span class="n">nsample</span><span class="o">//</span><span class="mi">3</span>
    <span class="n">numnan</span> <span class="o">=</span> <span class="n">nsample</span><span class="o">//</span><span class="mi">10</span>
    <span class="n">FLOW_SCALE</span> <span class="o">=</span> <span class="mf">100000.</span>
    <span class="n">tide</span> <span class="o">=</span> <span class="n">t</span><span class="