Abstract
The thermal conditions of the bioclimate of Algeria are investigated applying especially the physiologically equivalent temperature (PET) seasonal variability of five main Algerian cities representing different climate and geographical conditions: coastal region, highland region, and Sahara zone. The physiologically equivalent temperature (PET) calculated for this study at 12.00 UTC (13.00 local time) is used to emphasize the impacts of climate on human heat stress in different seasonal and regional regimes. This study is important since it is performed for the first time in Algeria using a deterministic approach through the calculation of PET based on the body-atmosphere energy balance using the Munich Energy-Balance Model for Individuals (MEMI). Applying PET is a new feature in assessing the bioclimate of Algeria and serves the touristic and the health sector in particular. For touristic purposes, it is part of the new internationally introduced climate touristic/transfer information scheme (CTIS) enabling the Algerian results to be paled in comparison to other countries. Considering climate change, the study shows as a new feature a significant increase in the number of days with strong and extreme heat stress within the last three decades and discusses the risks and advantages for future tourism in Algeria.
Highlights
Several indices and models have been developed by many researchers to assess the impact of thermal stress due to the combined effects of several meteorological parameters on the human body
This study is important since it is performed for the first time in Algeria using a deterministic approach through the calculation of physiologically equivalent temperature (PET) based on the body-atmosphere energy balance using the Munich Energy-Balance Model for Individuals (MEMI)
There is a set of typical applications on the calculation of thermal comfort indices, the standard effective temperature (SET) [3], the Universal Thermal Climate Index (UTCI) [4, 5], the perceived temperature (PT) [6], and the physiologically equivalent temperature (PET) [7,8,9]
Summary
Several indices and models have been developed by many researchers to assess the impact of thermal stress due to the combined effects of several meteorological parameters on the human body. There is a set of typical applications on the calculation of thermal comfort indices, the standard effective temperature (SET) [3], the Universal Thermal Climate Index (UTCI) [4, 5], the perceived temperature (PT) [6], and the physiologically equivalent temperature (PET) [7,8,9]. All these thermal indices are well documented and include meteorological and thermophysiological parameters [10]. The knowledge of thermal bioclimatic conditions could be helpful for existing and planned tourism resorts and areas and in providing information about zones and periods where tourists may be negatively affected by weather and climate conditions [12]
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