The Bounded Recession baseflow method is very similar to the Recession method. The principal difference is that monthly baseflow limits can be used to limit the baseflow magnitude. In effect, baseflow is first computed according to the previously described recession methodology and then monthly limits are imposed. Though there are many similarities with the recession method, one important difference is that this method does not reset the baseflow after a storm event.
Unless parameters are carefully chosen, this method is not guaranteed to conserve mass (e.g., precipitation losses < baseflow volume).
Required Parameters
Parameters that are required to utilize this method within HEC-HMS include those which were previously mentioned for the recession method in addition to limiting baseflow values for all twelve months of the year.
