Arctic: ecology and economy
ISSN 2223-4594 | ISSN 2949-110X
Home Archive of journals Volume 11, No. 2, 2021 Thermal stress assessment for an Arctic city in summer


JOURNAL: Volume 11, No. 2, 2021, p. 219-231

HEADING: Research activities in the Arctic

AUTHORS: Konstantinov, P.I., Varentsov, M.I., Grishchenko, M.Y., Samsonov, T.E., Shartova, N.V.

ORGANIZATIONS: Lomonosov Moscow State University

DOI: 10.25283/2223-4594-2021-2-219-231

UDC: 911.9

The article was received on: 13.01.2021

Keywords: modeling (simulation), bioclimatic index, Physiologically Equivalent Temperature (PET) index, Universal Thermal Climate Index (UTCI), urban heat island, COSMO, thermal comfort

Bibliographic description: Konstantinov, P.I., Varentsov, M.I., Grishchenko, M.Y., Samsonov, T.E., Shartova, N.V. Thermal stress assessment for an Arctic city in summer. Arktika: ekologiya i ekonomika. [Arctic: Ecology and Economy], 2021, vol. 11, no. 2, pp. 219-231. DOI: 10.25283/2223-4594-2021-2-219-231. (In Russian).


Despite the fact, that against the background of global warming the Russian Arctic is still a region with severe winters and cool summers; the likelihood of thermal stress conditions in summer is also increasing. At the same time, urban conditions can significantly affect the human heat perception due to the appearance of the urban heat island effect and other factors. Using the example of the city of Nadym (Yamalo-Nenets Autonomous Okrug), the authors have assessed the possibility of the summer urban heat stress occurrence and analyzed its spatial heterogeneity. The article presents the detailed modeling results of the meteorological regime of the city within the framework of the COSMO-CLM model and the assessment of bioclimatic comfort using the Physiologically Equivalent Temperature (PET) index and Universal Thermal Climate Index (UTCI). During periods of the extremely hot weather events in Nadym, the territory meso- and microclimatic mosaicism clearly manifests itself. In anthropogenically altered territories, the frequency of strong heat stress events can exceed that in the background areas by 1.7 times. Urban planning solutions should take into account not only the climatic resistance of Arctic cities to the winter cold, but also be adapted to the occurrence of summer heat.

Finance info: The team of authors performed supercomputer modeling and data analysis with the financial support of the Russian Foundation for Basic Research (RFBR), project No. 18-05-60146. T. E. Samsonov and M. I. Varentsov determined the parameters of the urban environment of Nadym necessary for the model with the financial support of the Russian Foundation for Basic Research in the framework of the project No. 18-05-60126. During their work, the authors used the equipment of the Center for Collective Use of Ultra-High Performance Computing Resources of the Lomonosov Moscow State University.


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DOI 10.25283/2223-4594