Wpływ Oscylacji Północnoatlantyckiej na przepływy rzek w dorzeczu górnej Wisły

This article examines the dependence between monthly and seasonal NAO indices and monthly flows of rivers in the Wisła basin down to Jagodniki. In the analysis, use was made of monthly flow data from 55 gauging stations from 1971–2010. On the basis of 156 coefficients of correlation among the variab...

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Bibliographic Details
Main Authors: Wrzesiński, Dariusz, Ogór, Tomasz, Plewa, Katarzyna
Format: Article in Journal/Newspaper
Language:Polish
Published: Wydawnictwo Poznańskiego Towarzystwa Przyjaciół Nauk 2015
Subjects:
North Atlantic Oscillation
correlation
river flow
hierarchical clustering
North Atlantic
North Atlantic oscillation
Online Access:http://hdl.handle.net/10593/19323
https://doi.org/10.14746/bfg.2015.6.15
Description
Summary:This article examines the dependence between monthly and seasonal NAO indices and monthly flows of rivers in the Wisła basin down to Jagodniki. In the analysis, use was made of monthly flow data from 55 gauging stations from 1971–2010. On the basis of 156 coefficients of correlation among the variables analysed, two variants of the clustering of the gauging stations, using Ward’s method, were employed. In both, six river clusters were distinguished. In a majority of cases, the analyses showed there to be the strongest negative correlation between winter NAO indices and May to September flows of the Wisła’s left-bank tributaries. The NAO impact on the flow of the Wisła’s Carpathian tributaries is weaker, though still observable. 15 Badania Fizjograficzne 195 203 6

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