The performance of a version of the HBV-ETH model is evaluated, taking into account various aspect classes in each elevation belt in three different types of catchments: an alpine basin, and two basins in Bohemia at much lower elevation, with a snowpack which is smaller and of shorter duration. In all three cases a reasonably good agreement between modelled and observed runoff and between modelled and observed snowpack was achieved. In the smaller of the Bohemian basins (1.87 km2, 775-885 m a.s.l., influenced by deforestation), the effect of the presence and age or absence of forest on the development of the snow-water equivalent was found to be as important as the effect of aspect and altitude.

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