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The influence of heat and cold waves on mortality in Russian subarctic cities with varying climates

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Abstract  

Publications on ambient temperature-related mortality among Arctic or subarctic populations are extremely rare. While circumpolar areas cover large portions of several European countries, Canada, and the USA, the population of these territories is relatively small, and the data needed for statistical analysis of the health impacts of extreme temperature events are frequently insufficient. This study utilizes standard time series regression techniques to estimate relative increases in cause- and age-specific daily mortality rates during heat waves and cold spells in four Russian cities with a subarctic climate. The statistical significance of the obtained effect estimates tends to be greater in the continental climate than in the marine climate. A small meta-analysis was built around the obtained site-specific health effects. The effects were homogeneous and calculated for the selected weather-dependent health outcomes. The relative risks of mortality due to ischemic heart disease, all diseases of the circulatory system, and all non-accidental causes during cold spells in the age group ≥ 65 years were 1.20 (95% CI: 1.11–1.29), 1.14 (1.08–1.20), and 1.12 (1.07–1.17), respectively. Cold spells were more harmful to the health of the residents of Murmansk, Archangelsk, and Magadan than heat waves, and only in Yakutsk, heat waves were more dangerous. The results of this study can help the public health authorities develop specific measures for the prevention of excess deaths during cold spells and heat waves in the exposed subarctic populations.

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Fig. 1

Source: Authors’ notations on the map by Adam Peterson, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=52904892. Permanent URL: Wikimedia Commons contributors (2020) “File:Russia Köppen.svg,” Wikimedia Commons, the free media repository. . Accessed February 14, 2022

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Notes

  1. The retirement age in Russia is 65 for males and 60 for females.

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Acknowledgements

The authors would like to thank the two anonymous Reviewers whose invaluable comments helped to improve the manuscript.

Funding

This research was financed by a grant program No. 20–55-71003 of the Russian Foundation for Basic Research “Fast environmental changes in Arctic, and their consequences for public well-being, sustainable development, and demography of the Arctic region.”

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Authors

Contributions

Both authors contributed to the study conception and design. Boris Revich supervised the research project, collected mortality data, and acquired funding. Dmitry Shaposhnikov collected weather data, performed statistical analyses, and wrote the original draft and subsequent revisions of the paper. Both authors commented on successive versions of the manuscript, and read and approved the final manuscript.

Corresponding author

Correspondence to Dmitry Shaposhnikov.

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The authors declare no competing interests.

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Revich, B., Shaposhnikov, D. The influence of heat and cold waves on mortality in Russian subarctic cities with varying climates. Int J Biometeorol 66, 2501–2515 (2022). https://doi.org/10.1007/s00484-022-02375-2

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  • DOI: https://doi.org/10.1007/s00484-022-02375-2

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