header">

      <h1>Trim Beginning and Ending of a CTD cast</h1>
      <small class="dont-index">Source: <a href="https://github.com/dankelley/oce/blob/HEAD/R/ctd.R" class="external-link"><code>R/ctd.R</code></a></small>
      <div class="d-none name"><code>ctdTrim.Rd</code></div>
    </div>

    <div class="ref-description section level2">
    <p>Often in CTD profiling, the goal is to isolate only the downcast, discarding measurements made in
the air, in an equilibration phase in which the device is held b