ode>"Gaussian"</code>.</p></dd>


<dt>ssn.object</dt>
<dd><p>A spatial stream network object with class <code>SSN</code>. Random
variables are simulated for each row of <code>ssn.object$obs</code>.</p></dd>


<dt>network</dt>
<dd><p>The spatial stream network to simulate on. Currently only
allowed to be <code>"obs"</code> for the <code>ssn.object$obs</code> object.</p></dd>


<dt>tailup_params</dt>
<dd><p>An object from <code><a href="ssn_params.html">tailup_params()</a></code> specifying
the tailup covaria