GSTDTAP  > 气候变化
DOI10.1088/1748-9326/aaba82
When do Indians feel hot? Internet searches indicate seasonality suppresses adaptation to heat
Singh, Tanya1,3; Siderius, Christian1,2; Van der Velde, Ype3
2018-05-01
发表期刊ENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
出版年2018
卷号13期号:5
文章类型Article
语种英语
国家Netherlands; England
英文摘要

In a warming world an increasing number of people are being exposed to heat, making a comfortable thermal environment an important need. This study explores the potential of using Regional Internet Search Frequencies (RISF) for air conditioning devices as an indicator for thermal discomfort (i.e. dissatisfaction with the thermal environment) with the aim to quantify the adaptation potential of individuals living across different climate zones and at the high end of the temperature range, in India, where access to health data is limited. We related RISF for the years 2011-2015 to daily daytime outdoor temperature in 17 states and determined at which temperature RISF for air conditioning starts to peak, i.e. crosses a heat 'threshold', in each state. Using the spatial variation in heat thresholds, we explored whether people continuously exposed to higher temperatures show a lower response to heat extremes through adaptation (e.g. physiological, behavioural or psychological). State-level heat thresholds ranged from 25.9 degrees C in Madhya Pradesh to 31.0 degrees C in Orissa. Local adaptation was found to occur at state level: the higher the average temperature in a state, the higher the heat threshold; and the higher the intra-annual temperature range (warmest minus coldest month) the lower the heat threshold. These results indicate there is potential within India to adapt to warmer temperatures, but that a large intra-annual temperature variability attenuates this potential to adapt to extreme heat. This winter 'reset' mechanism should be taken into account when assessing the impact of global warming, with changes in minimum temperatures being an important factor in addition to the change in maximum temperatures itself. Our findings contribute to a better understanding of local heat thresholds and people's adaptive capacity, which can support the design of local thermal comfort standards and early heat warning systems.


英文关键词thermal comfort air conditioning heat adaptation Google Trends India
领域气候变化
收录类别SCI-E ; SSCI
WOS记录号WOS:000431146200002
WOS关键词THERMAL COMFORT ; CLIMATE-CHANGE ; HUMAN HEALTH ; MORTALITY ; TEMPERATURE ; ENVIRONMENT ; STRESS ; INDOOR
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/14991
专题气候变化
作者单位1.Wageningen Univ & Res, Earth Syst Grp, Droevendaalsesteeg 4, NL-6708PB Wageningen, Netherlands;
2.London Sch Econ & Polit Sci, Grantham Res Inst, Houghton St, London WC2A 2AE, England;
3.Vrije Univ Amsterdam, Fac Earth & Life Sci, Dept Earth Sci, Cluster ECC, Boelelaan 1085, NL-1081 HV Amsterdam, Netherlands
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GB/T 7714
Singh, Tanya,Siderius, Christian,Van der Velde, Ype. When do Indians feel hot? Internet searches indicate seasonality suppresses adaptation to heat[J]. ENVIRONMENTAL RESEARCH LETTERS,2018,13(5).
APA Singh, Tanya,Siderius, Christian,&Van der Velde, Ype.(2018).When do Indians feel hot? Internet searches indicate seasonality suppresses adaptation to heat.ENVIRONMENTAL RESEARCH LETTERS,13(5).
MLA Singh, Tanya,et al."When do Indians feel hot? Internet searches indicate seasonality suppresses adaptation to heat".ENVIRONMENTAL RESEARCH LETTERS 13.5(2018).
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