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Thermal stress in the northern Carpathians and air circulation

Authors
  • Krzysztof, Błażejczyk1
  • Pavol, Nejedlik2
  • Oleh, Skrynyk3
  • Agnieszka, Halaś3
  • Olesya, Skrynyk4, 5
  • Jarosław, Baranowski1
  • Katarina, Mikulova6
  • 1 Polish Academy of Sciences, Institute of Geography and Spatial Organization, Climate Impacts Laboratory, Poland , (Poland)
  • 2 Earth Science Institute of Slovak Academy of Science, Slovakia , (Slovakia)
  • 3 Faculty of Geography and Regional Studies, University of Warsaw, Poland , (Poland)
  • 4 National University of Life and Environmental Sciences of Ukraine, Ukraine , (Ukraine)
  • 5 Ukrainian Hydrometeorological Institute, Ukraine , (Ukraine)
  • 6 Slovak Hydrometeorological Institute, Slovakia , (Slovakia)
Type
Published Article
Journal
Miscellanea Geographica
Publisher
Sciendo
Publication Date
Jul 31, 2020
Volume
24
Issue
3
Pages
147–160
Identifiers
DOI: 10.2478/mgrsd-2020-0022
Source
De Gruyter
Keywords
License
Green

Abstract

In mountain areas, air circulation plays a major role in the forming of the climate. This paper examines how it influences thermal stress in the northern Carpathians. The Niedźwiedź’s classification of air circulation was applied. Thermal stress was assessed by Universal Thermal Climate Index (UTCI). Daily meteorological and circulation data for the period 1986–2015 were used for 20 stations in Poland, Slovakia and Ukraine. Air circulation was found to have a significant impact on thermal stress. The highest UTCI values are observed at Ca+Ka (centre of the high and anticyclonic wedge or ridge of high pressure) and the lowest values at N+NE and W+NW circulation; at the Southward stations, UTCI is higher than in the Northward ones; thermoneutral days are more frequent on the southward than on the northward slopes; during N+NE, E+SE and W+NW circulation and for heat stress days, the greatest thermal privilege of the southward slopes is observed at E+SE, S+SW, Ca+Ka and Cc+Bc (centre of low and through of low pressure) types of circulation.

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