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1 2003

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Regionalizacje, typologie i wyznaczania sezonów klimatycznych z zastosowaniem analizy skupień

Bednorz E., Kolendowicz L., Bielec-Bąkowska Z., Bokwa A., Żelazny M., Kicińska B., Lewik P., Nowosad M., Ustrnul Z.

Przegląd Geofizyczny

2003

Z. 1-2

11-32

In the paper are presented examples of regionalisation, typology and delimiting climatic seasons, completed with chosen cluster analysis methods: K-means, Ward's and Wroclaw dendrite. The methods were used to distinguish atmospheric circulation regions on the Northern hemisphere, thunderstorm regions and sulphur dioxide pollution regions in Poland, and snow-cover regions in North-Western Poland. Moreover, atmospheric circulation seasons, skiing seasons and thermal seasons were defined. The methods were also used for typology of thermal structure in the air layer near the ground, and for an attempt to define the relations between physical-chemical features of precipitation and meteorological conditions. The presented examples prove that it is possible to approach the problems of regionalisation and typology in climatology in a new way, namely without a priori assumptions, without imposing at the beginning the elements determining the spatial pattern of a phenomena. Additionally, it is very important that such an analysis requires from the researcher independence, responsibility and lot of criticism while interpreting the results, especially using non-hierarchical methods. Finally, the presented methods allow us to obtain the image of both spatial and temporal differentiation of chosen elements.