Velocity and Celerity Characteristics in the MIPs model

Abstract:

The Multiple Interacting Pathways (MIPs) model has been shown to give good reproduction of both flows (controlled by celerities) and residence times (controlled by velocities) in comparisons with data from a small catchment. In this contribution we look at the difference in responses and basins of attraction for flow and transport inferred from the model with a view to determining the functional form of larger scale, computationally efficient, parameterisations that more properly represent the scale-dependent hysteresis that is expected as a result of velocity-celerity differences. It is hoped that this might lead to new scale-dependent formulations of runoff and water quality responses that can be applied at hillslope and catchment scales.