Outdoor thermal sensation scale through biometeorological assessment for semi-arid climate.

IF 3 3区地球科学 Q2 BIOPHYSICS

International Journal of Biometeorology Pub Date : 2024-09-25 DOI:10.1007/s00484-024-02788-1

Hardik H Gajjar, Deepesh Upadhyay, Manzoor Hussain, Jai Devi Jeyaraman

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Abstract

Extreme temperatures in urban areas cause discomfort leading to a rise in health risks, like heat-related mortality (hyperthermia). It is, hence, important to have a comfortable thermal environment. Assessing outdoor thermal comfort is challenging and complicated due to its dependencies on biometeorological and psychological factors. This study investigates the outdoor thermal comfort in Ahmedabad, a city with semi-arid climate in India through biometeorological measurements and thermal comfort surveys. The study carried out thermal comfort surveys of 1620 subjects spread across the city in 2022-23 covering all the seasons. The temperature and relative humidity were in the range of 21.6 °C to 44.9 °C and 8 to 86% respectively. About 43% of the subjects felt thermally comfortable during the survey. Based on the survey results, the annual neutral Physiological Equivalent Temperature (PET) obtained was 27.5 °C, and the comfortable PET range was between 21.1 °C and 33.9 °C which covers a wide range. Neutral PET for summer and winter seasons obtained were similar, which indicates winters are getting milder and people of Ahmedabad are getting more adaptive towards warmer temperature. These results hold special significance as there is limited research on outdoor thermal comfort in such climate zone of India.

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通过生物气象评估确定半干旱气候下的室外热感量表。

城市地区的极端气温会引起不适，导致健康风险上升，如与热相关的死亡（高热惊厥）。因此，拥有一个舒适的热环境非常重要。由于室外热舒适度取决于生物气象和心理因素，因此评估室外热舒适度具有挑战性和复杂性。本研究通过生物气象测量和热舒适度调查，研究了印度半干旱气候城市艾哈迈达巴德的室外热舒适度。研究在 2022-23 年期间对遍布全市的 1620 名受试者进行了热舒适度调查，涵盖了所有季节。温度和相对湿度范围分别为 21.6 °C 至 44.9 °C 和 8% 至 86%。调查期间，约 43% 的受访者感觉温度舒适。根据调查结果，全年的中性生理等效温度为 27.5 °C，舒适的生理等效温度范围在 21.1 °C至 33.9 °C之间，范围很广。夏季和冬季获得的中性生理等效温度相似，这表明冬季越来越温和，艾哈迈达巴德人对较高温度的适应性也越来越强。这些结果具有特殊意义，因为对印度此类气候区室外热舒适度的研究十分有限。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Biometeorology 地学-环境科学

CiteScore

6.40

自引率

9.40%

发文量

183

审稿时长

1 months

期刊介绍： The Journal publishes original research papers, review articles and short communications on studies examining the interactions between living organisms and factors of the natural and artificial atmospheric environment. Living organisms extend from single cell organisms, to plants and animals, including humans. The atmospheric environment includes climate and weather, electromagnetic radiation, and chemical and biological pollutants. The journal embraces basic and applied research and practical aspects such as living conditions, agriculture, forestry, and health. The journal is published for the International Society of Biometeorology, and most membership categories include a subscription to the Journal.