 and </span>
<span class="sd">    must be supressed in order to see the more subtle subtidal amplitude&quot;&quot;&quot;</span>
    <span class="n">freqmult</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">pi</span><span class="o">/</span><span class="mf">180.</span><span class="o">/</span><span class="mf">3600.</span>   <span class="c1"># converts cycles/hour to rad/sec</span>
    <span class="n">discharge_tide</span> <span class="o">=</span> <span class="p">