On the variability of the surface environment response to synoptic forcing over complex terrain: a multivariate data analysis approach
Halios, C. H., Helmis, C. G., Flocas, H. A., Nyeki, S. and Assimakopoulos, D. N. (2012) On the variability of the surface environment response to synoptic forcing over complex terrain: a multivariate data analysis approach. Meteorology and Atmospheric Physics, 118 (3-4). pp. 107-115. ISSN 1436-5065
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To link to this article DOI: 10.1007/s00703-012-0209-5
Synoptic climatology relates the atmospheric circulation with the surface environment. The aim of this study is to examine the variability of the surface meteorological patterns, which are developing under different synoptic scale categories over a suburban area with complex topography. Multivariate Data Analysis techniques were performed to a data set with surface meteorological elements. Three principal components related to the thermodynamic status of the surface environment and the two components of the wind speed were found. The variability of the surface flows was related with atmospheric circulation categories by applying Correspondence Analysis. Similar surface thermodynamic fields develop under cyclonic categories, which are contrasted with the anti-cyclonic category. A strong, steady wind flow characterized by high shear values develops under the cyclonic Closed Low and the anticyclonic H–L categories, in contrast to the variable weak flow under the anticyclonic Open Anticyclone category.
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