Journal Title
Title of Journal: Int J Biometeorol
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Abbravation: International Journal of Biometeorology
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Publisher
Springer Berlin Heidelberg
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Authors: C R de Freitas E A Grigorieva
Publish Date: 2014/03/15
Volume: 58, Issue: 10, Pages: 2129-2137
Abstract
During acclimatization to heat and cold the body experiences additional thermally induced physiological strain The first signs show up in the respiratory organs because respiration is a continuous heat exchange process in which the body is in closest contact with the ambient air There are no behavioral or other adjustments to prevent the ambient air from entering into the body’s core area through the respiratory tract The Acclimatization Thermal Strain Index ATSI describes the acclimatization thermal loading ATL on respiratory organs until full adaptation is achieved The aim here is to further assess the ATSI scheme using a range of actual but contrasting bioclimatic conditions To simulate ATL scenarios of the consequences of acclimatization due to movement to or from five contrasting climates are used The results show that adjusting to cold comes with greater physiological strain than adjusting to heat the biggest impact occurring for a change of location from hothumid to colddry climatic conditions The approach can be used to assess risks due to increases in shortterm thermal variability in weather conditions such as encountered during heat waves and cold snaps The information could also be useful for assessing the need for public health services and measures that might be used to help mitigate impacts
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