HEC-HMS Technical Reference Manual Channel Flow Current: Available Channel Routing Methods PDF Download PDF Download page Available Channel Routing Methods. Current page All pages Available Channel Routing Methods A total of eight different channel routing methods are available for use within HEC-HMS. These methods include:Kinematic WaveLagLag and KModified PulsMuskingumMuskingum-CungeNormal DepthStraddle StaggerThe following sections detail their unique concepts and uses. ×