Combining Two Reaches or Splitting One

Suppose you have two separate HEC-RAS rivers and wish to combine them.  There is no “combine two rivers” option in HEC-RAS, but it can be done using the Move Points/Objects option.  Take the very simple reach presented below: I wish to combine the Upper Tualatin with the Clackamas reach of the Willamette River.  In the […]

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Quickly Edit Reach Lines in the Geometry Editor

Editing the positioning of your geometry in HEC-RAS can sometimes be a pain, especially with large systems. This tip will show you how to quickly (and easily!) remove sections of a reach. If you import reach stream lines through ArcGIS, or a similar program, your schematic may look similar to the figure below. In this […]

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