Extended surface runoff coefficient map East Tyrol

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200208939

Keywords: torrent hydrology, p/r modelling, surface runoff coefficientCompared to the basics used so far, a significantly improved and reliable a-priori data set for p/r simulations with the ZEMOKOST model was developed for the entire area of the province of East Tyrol. These standardised input parameters, for both surface runoff and subsurface flow, will make it possible to significantly improve the accuracy and plausibility of p/r model calculations for torrents in the future. This extended basis enables the assessment of the hydrologically dominant processes at the catchment-scale and can be used as an a-priori data set for p/r simulations that focus on peak runoff events. These parameters can also be translated into comparable input factors of other p/r models. Due to the positive experiences made in East Tyrol, the methodology is currently applied to the total area of North Tyrol.