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Open Access
Temporal and spatial variability of heat load in Szczecin
(Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017) Mąkosza, Agnieszka; Department of Meteorology and Landscape Architecture, West Pomeranian University of Technology, Szczecin
On the basis of hourly values of air temperature, relative humidity of air, wind speed and cloudiness, the dimensionless index of heal load (HL) was determined for two stations in Szczecin representing the very city centre (Piłsudskiego Street) and its northern outskirts (Łączna Street). The analysis of HL values for the period 2005–2010 demonstrates a pronounced spatial as well as temporal variability of biothermal conditions in Szczecin. It was found that regardless of the analysed time period, higher values of HL were recorded in the city centre than on the outskirts. The frequency of saving conditions (HL 0.931–1.185) in a year was, on average, 52% in the city centre and 44% on the outskirts. The toughening conditions (HL 0.811–0.930, 1.186–1.600) were recorded with the frequency of total 38% (Piłsudskiego Street) and 29% (Łączna Street). The least favourable biothermal conditions (HL ≤ 0.750 ≥1.750) with the greatest load on the human organism occurred only on 10% of days in a year in the city centre and 27% of days on the outskirts of Szczecin.