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Bibliogr. s. 16-17. Józef Twardosz podpisany: Robert Twardosz
język:
polski
język czasopisma:
polski
abstrakt w j. angielskim:
Maximum daily precipitation is one of the most important hydrometeorological characteristics. Its study in densely developed urban areas can have practical, as well as theoretical, significance, especially for environmental engineering. Indeed, this is where intensive rainfall events can result in drainage problems leading to waterlogging, flooding and potentially to large-scale infrastructural losses. The objective of this study is to determine the annual and multi-annual variability in maximum daily precipitation totals and its determinants in the atmospheric circulation. The two main sources used for the study include records of maximum precipitation spanning the period from 1863 to 2015 in Krakow and the catalogue of atmospheric circulation types over southern Poland by T. Niedźwiedź. Maximum annual and monthly daily precipitation totals were included. The study determined their share of the overall monthly and annual totals. The highest maximum daily precipitation total recorded during the study period was 99 mm (9 September 1963), which approximately corresponds to the exceedance probability of 0.5%. It contributed 58.9% to the monthly precipitation total and 12.7 per cent to the annual total in that year. Maximum daily precipitation was recorded between March and November, and is most frequent in July at 27%. As many as 98.7% of the maximum precipitation totals belonged to the "very high" category. The difference between the highest and lowest maximum precipitation totals was 82 mm. No significant trend was identified in the occurrence of maximum totals over the study period. Maximum totals concentrated predominantly on days with cyclonic circulation types, at 87%, including 31% per cent which occurred in the cyclonic trough.
słowa kluczowe w j. polskim:
maksymalne opady dobowe, częstość maksymalnych opadów dobowych, pady atmosferyczne, Kraków
liczba arkuszy wydawniczych:
0,52
wydział: instytut / zakład / katedra:
Wydział Biologii i Nauk o Ziemi : Instytut Geografii i Gospodarki Przestrzennej
typ:
artykuł w czasopiśmie
podtyp:
artykuł
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