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EVALUATION ABNORMALITIES PRECIPITATION TOTALS ON THE MOUNTAINS HYDROMETEOROLOGICAL STATIONS IN WESTERN TATRAS (SLOVAKIA)

Martin Janco, Jana Spiakova, Natalia Kasanicka

Abstract

This paper evaluates the abnormalities in monthly, half-year and annual rainfall totals in the Western Tatras Mts for the period 1994 to 2013, issuing from the values recorded at the precipitation stations Bobrovec situated at 632 m a.s.l., Zuberec at 763 m a.s.l. and ?ervenec with an elevation of 1,500 m a.s. l. These stations have also different exposures as for the dominant wind flow: Bobrovec is situated on the leeward side, Zuberec on the windward side and ?ervenec in the summit part of this mountain range. These three stations were chosen to study the influence of exposition and altitude on the precipitation amount and distribution. These precipitation stations do not yet have their precipitation normal (30-year-observation series). Thus the abnormalities of precipitation totals were assessed by comparing our annual sums with long-term average precipitation values calculated based on the monthly sums of vertical precipitation provided by the Slovak Hydrometeorological Institute (stations Bobrovec, Zuberec) and the Institute of Hydrology Slovak Academy of Sciences (station ?ervenec). At the Zuberec precipitation station, we recorded an average rainfall total of 998 mm, whereas at Bobrovec station of 735 mm. Station ?ervenec has an average rainfall total of 1471 mm. For each station, the course of percentage difference from the long-term average annual total was represented graphically.

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DOI resolver: doi.org/10.5593/sgem2017/31/s12.032

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