Abstract
The study presents the results of detailed bioclimatological analysis of Banja Koviljača. For the evaluation of bioclimate conditions significant for human health and activities, more than 100 indices have been developed. Indices based on human energy balance are proven to be the best for the evaluation of human thermal comfort. This paper analyses the variations and trends of the PET (Physiologically Equivalent Temperature) for Loznica meteorological station during the period 1961-2014. The fluctuations are analyzed for all seasons and annual values. In order to gain better insight into the variations of PET, seasonal and annual values of air temperature (Ta), relative humidity (RH), wind speed (v) and cloud cover (CC) were investigated. Trends in the annual and seasonal time series were determined using Mann Kendal trend test. Additionally, trends in bioclimatological extremes were determined. The results indicated that statistically significant increasing trends in annual and seasonal values of PET exist and that in the future the change in tourism season and recreation potential could change. The increase of these values could be connected to the increase in Ta, decrease in RH, v and CC.
Highlights
The thermal comfort of humans plays a significant role in human health and activities, especially in tourism, recreation and sport
The analysis of Banja Koviljača’s 10-day mean Physiological Equivalent Temperature (PET) values between 1993 and 2014 demonstrate that extreme cold stress may be experienced in morning and evening hours during the colder part of the year
Significant increasing trends in annual and seasonal values of PET indicate that in the future the change in tourism season and recreation potential could change. The increase of these values could be connected to the increase in Ta, decrease in relative humidity (RH), v and cloud cover (CC)
Summary
The thermal comfort of humans plays a significant role in human health and activities, especially in tourism, recreation and sport. Some indices are usually called simple indices and they show the joint effect on the human organism of several, individual meteorological variables such as air temperature, wind speed, and relative humidity. These indices include Heat Index, Humidex and Effective temperature. Other group is comprised of indices that are derived from heat budget models. These indices take into consideration the conditions of heat exchange with the atmosphere (stress) as well as the physiological response of the human organism (strain) (Blazejczyk, et al, 2012; Havenith, 2001; Parsons, 2003)
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