an>
0062 <span class="comment">%    .mat file and added two variables from SWAN output Ubot and TmBot.</span>
0063 <span class="comment">%    12-01-2010 Added 'isforcing' option</span>
0064 <span class="comment">%==============================================================================</span>
0065 
0066 <span class="comment">% set Nikaradse roughness to 1 cm if user does not specify</span>
0067 <span class="keyword">if</span>(~exist(<span class="string">'kn'</span>))
0068   kn = .01;
0069 <span class="