Russian Journal of Earth Sciences Russian Journal of Earth Sciences Russian Journal of Earth Sciences 1681-1208 72276 10.2205/2023ES02SI12 СПЕЦВЫПУСК: "ФУНДАМЕНТАЛЬНЫЕ И ПРИКЛАДНЫЕ АСПЕКТЫ ГЕОЛОГИИ, ГЕОФИЗИКИ И ГЕОЭКОЛОГИИ" SPECIAL ISSUE: "FUNDAMENTAL AND APPLIED ASPECTS OF GEOLOGY, GEOPHYSICS AND GEOECOLOGY" СПЕЦВЫПУСК: "ФУНДАМЕНТАЛЬНЫЕ И ПРИКЛАДНЫЕ АСПЕКТЫ ГЕОЛОГИИ, ГЕОФИЗИКИ И ГЕОЭКОЛОГИИ" Temporal Variability of Soil Temperature in the North-West Arctic Zone of Russia. Part I: Interannual Linear Trends Based on Thermometer Measurements and Reanalysis Data Temporal Variability of Soil Temperature in the North-West Arctic Zone of Russia. Part I: Interannual Linear Trends Based on Thermometer Measurements and Reanalysis Data https://orcid.org/0000-0002-4976-7136 Лебедев Сергей Анатольевич Lebedev Sergey Anatol'evich

доктор физико-математических наук;

doctor of physical and mathematical sciences;

 https://orcid.org/0000-0001-7441-5055 Костяной Андрей Геннадьевич Kostianoy Andrey Gennadievich https://orcid.org/0009-0009-2844-0060 Третьяк Илья Д. Tretiyak Il'ya D. Геофизический центр Российской Академии Наук Россия Geophysical Center of Russian Academy of Sciences Russian Federation Майкопский государственный технологический университет Maikop State Technological University Национальный исследовательский университет «МИЭТ» National Research University of Electronic Technology Институт океанологии имени П. П. Ширшова РАН Россия Shirshov Institute of Oceanology, Russian Academy of Sciences Russian Federation Институт океанологии им. П.П. Ширшова РАН P.P.Shirshov Institute of Oceanology of the Russian Academy of Science Московский университет им. С.Ю. Витте Moscow Witte University 15 12 2023 15 12 2023 23 5 1 10 22 09 2023 24 11 2023 https://rjes.ru/en/nauka/article/72276/view

In this article we investigate near-surface air temperature (NSAT) and soil temperature variability at four depths in the region of the White Sea, Murmansk and Arkhangelsk Regions, and Republic of Karelia. For the analysis we used NOAA-CIRES-DOE 20th Century Reanalysis (Version 3) reanalysis data for the 1980–2015 time period and data of bent-stem thermometers at 5, 10, 15, 20 cm depths and extraction thermometers at 20, 60, 80, 120, 240 and 320 cm depths for 1985-2021 time period. Average variability of NSAT is estimated using linear trend as +0.028 ◦C/year. For soil temperature a linear trend is of +0.0137 ◦C/year on surface (0 cm), +0.0136 ◦C/year at 10 cm depth, +0.0142 ◦C/year at 40 cm depth and +0.0133 ◦C/year at 100 cm depth.

In this article we investigate near-surface air temperature (NSAT) and soil temperature variability at four depths in the region of the White Sea, Murmansk and Arkhangelsk Regions, and Republic of Karelia. For the analysis we used NOAA-CIRES-DOE 20th Century Reanalysis (Version 3) reanalysis data for the 1980–2015 time period and data of bent-stem thermometers at 5, 10, 15, 20 cm depths and extraction thermometers at 20, 60, 80, 120, 240 and 320 cm depths for 1985-2021 time period. Average variability of NSAT is estimated using linear trend as +0.028 ◦C/year. For soil temperature a linear trend is of +0.0137 ◦C/year on surface (0 cm), +0.0136 ◦C/year at 10 cm depth, +0.0142 ◦C/year at 40 cm depth and +0.0133 ◦C/year at 100 cm depth.

 Air temperature soil temperature bent-stem thermometer extraction thermometer NOAA-CIRES-DOE 20th Century Reanalysis V3 climate change North-West Arctic Zone of Russia The work was carried out within the framework of the RSF grant N 21-77-30010 (2021–2024) “System analysis of geophysical process dynamics in the Russian Arctic and their impact on the development and operation of the railway infrastructure”

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