Wpływ Oscylacji Północnoatlantyckiej na przepływy rzek w dorzeczu górnej Wisły
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Date
2015
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Publisher
Wydawnictwo Poznańskiego Towarzystwa Przyjaciół Nauk
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Abstract
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.
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Keywords
North Atlantic Oscillation, correlation, river flow, hierarchical clustering
Citation
Badania Fizjograficzne, Seria A, Tom 66, 2015, s. 195-203
Seria
Seria A - Geografia Fizyczna Tom 66;
ISBN
ISSN
2081-6014