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Article: Trends of temperature variability: Which variability and what health implications?

TitleTrends of temperature variability: Which variability and what health implications?
Authors
KeywordsAmbient temperature variability
Timescales
Temporal trend
Climate change
Public health
Issue Date2021
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
Citation
Science of the Total Environment, 2021, v. 768, p. article no. 144487 How to Cite?
AbstractA large majority of climate change studies carried out to date are on changes in mean climate, which have comparatively downplayed variability. In terms of trend analysis or forecast, the scientific output and common knowledge for global warming are much more robust than for changes in temperature variability. Quantification of temperature variability adds another dimension of temporal scale, requiring immense labor and presenting great uncertainty. Regardless, this endeavor is necessary since changes in ambient temperature variabilities could also contribute to current and future human health burden besides changes in mean quantities. Here, we review the current literature on trends of surface air temperature variability defined at a range of timescales, aiming to tease out the welter of evidence and thus improving the scientific recognition of changes in air temperature variability in the context of climate change. The findings of reviewed studies from numerous regions differ substantially over various temporal scales. In general, the ambient temperature variability on short time scales (e.g., diurnal or inter-day) shows a downward trend, while it is increasing on longer time scales (e.g., inter-annual). We then move beyond the review and deliver an extended discussion of potential implications for future research related to ambient temperature variability. We highlight the need to consider the methodological choices, especially timescales of interest, in the trend analysis as well as health impact studies. Continued research focusing on temperature variability at multiple timescales, with concerted efforts from scientists of all relevant stripes, is meaningful in synthesizing knowledge and reducing uncertainties surrounding air temperature variability.
Persistent Identifierhttp://hdl.handle.net/10722/301603
ISSN
2020 Impact Factor: 7.963
2020 SCImago Journal Rankings: 1.795

 

DC FieldValueLanguage
dc.contributor.authorGUO, F-
dc.contributor.authorDo, V-
dc.contributor.authorCiooper, R-
dc.contributor.authorHuang, Y-
dc.contributor.authorZHANG, P-
dc.contributor.authorRAN, J-
dc.contributor.authorZhang, Q-
dc.contributor.authorTian, L-
dc.contributor.authorFu, Z-
dc.date.accessioned2021-08-09T03:41:28Z-
dc.date.available2021-08-09T03:41:28Z-
dc.date.issued2021-
dc.identifier.citationScience of the Total Environment, 2021, v. 768, p. article no. 144487-
dc.identifier.issn0048-9697-
dc.identifier.urihttp://hdl.handle.net/10722/301603-
dc.description.abstractA large majority of climate change studies carried out to date are on changes in mean climate, which have comparatively downplayed variability. In terms of trend analysis or forecast, the scientific output and common knowledge for global warming are much more robust than for changes in temperature variability. Quantification of temperature variability adds another dimension of temporal scale, requiring immense labor and presenting great uncertainty. Regardless, this endeavor is necessary since changes in ambient temperature variabilities could also contribute to current and future human health burden besides changes in mean quantities. Here, we review the current literature on trends of surface air temperature variability defined at a range of timescales, aiming to tease out the welter of evidence and thus improving the scientific recognition of changes in air temperature variability in the context of climate change. The findings of reviewed studies from numerous regions differ substantially over various temporal scales. In general, the ambient temperature variability on short time scales (e.g., diurnal or inter-day) shows a downward trend, while it is increasing on longer time scales (e.g., inter-annual). We then move beyond the review and deliver an extended discussion of potential implications for future research related to ambient temperature variability. We highlight the need to consider the methodological choices, especially timescales of interest, in the trend analysis as well as health impact studies. Continued research focusing on temperature variability at multiple timescales, with concerted efforts from scientists of all relevant stripes, is meaningful in synthesizing knowledge and reducing uncertainties surrounding air temperature variability.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv-
dc.relation.ispartofScience of the Total Environment-
dc.subjectAmbient temperature variability-
dc.subjectTimescales-
dc.subjectTemporal trend-
dc.subjectClimate change-
dc.subjectPublic health-
dc.titleTrends of temperature variability: Which variability and what health implications?-
dc.typeArticle-
dc.identifier.emailTian, L: linweit@hku.hk-
dc.identifier.authorityTian, L=rp01991-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scitotenv.2020.144487-
dc.identifier.pmid33444866-
dc.identifier.scopuseid_2-s2.0-85099143467-
dc.identifier.hkuros323839-
dc.identifier.volume768-
dc.identifier.spagearticle no. 144487-
dc.identifier.epagearticle no. 144487-
dc.publisher.placeNetherlands-

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