Ii.3-swb-nile Simple Water Balance Model This Document Is from 'a Simple Water Balance Model (swb) for Estimating Runoff at Different Spatial and Temporal Scales'

The model has a 2 layer structure with both a physical and statistical basis for the model parameters. It was developed to fill a need for models with a small number of parameters and of intermediate complexity between a one parameter simple bucket and more complex hydrologically oriented models with many parameters such as the Sacramento Soil Moisture Accounting model. The focus was to improve the representation of runoff relative to the simple bucket without introducing the full complexity of the Sacramento model. The model was designed to operate over a range of time steps to facilitate coupling to an atmospheric model. The model can be used for catchment scale simulations in hydrological applications and for simple representation of runoff in coupled atmospheric/hydrological models.