Limitations in hydrological interpretations of the snow coverage [snow, mountain basins, runoff, depletion curves of snow-covered areas, theoretical alternatives of the accumulation and ablation of snow, Dischma basin. Switzerland]
1980
Martinec, J. (Federal Inst. for Snow and Avalanche Research, Weissfluhjoch, Davos (Switzerland))
Patterns of the disappearing seasonal snow cover are similar year after year. This could lead to the assumption that a certain areal extent of snow indicates always a corresponding volume of snow or of water stored in a given basin. Such possibility of seasonal runoff forecasts had to be dismissed in an alpine basin. Within a few years, the stored water volume and the subsequent runoff varied in the ratio of 1: 2 for a snow coverage always within the range of 40 to 45%. The areal extent of the snow cover seems to be linked rather with the ratio of the current water equivalent to its maximum value of the respective year.
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