rrent-components">The Bivariate Case (Current Components)<a class="anchor" aria-label="anchor" href="#the-bivariate-case-current-components"></a>
</h2>
<p>While the tidal forcing causes sea level to go up and down (according
to the prescribed constituent frequencies), the result in the ocean is
that there are also <em>currents</em> driven by the tidal variations.
Because (horizontal) currents are not a scalar (i.e. 1D) time series,
the above approach using <code><a href="../reference/tidem.html">tidem()</a