Russian Journal of Earth Sciences Russian Journal of Earth Sciences Russian Journal of Earth Sciences 1681-1208 72275 10.2205/2023ES02SI11 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" Histograms of the Caspian Sea Hydrometeorological Parameters Histograms of the Caspian Sea Hydrometeorological Parameters https://orcid.org/0000-0001-7441-5055 Костяной Андрей Геннадьевич Kostianoy Andrey Gennadievich 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/0000-0002-3363-091X Бочаров Александр А. Bocharov Aleksandr A. https://orcid.org/0009-0008-4901-918X Косолапов Илья А. Kosolapov Il'ya A. https://orcid.org/0009-0009-2844-0060 Третьяк Илья Д. Tretiyak Il'ya D. https://orcid.org/0009-0003-3511-8017 Волков Даниил С. Volkov Daniil S. https://orcid.org/0000-0002-5562-7156 Кравченко П. Н. Kravchenko P. N. 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 Майкопский государственный технологический университет Maikop State Technological University Геофизический центр Российской Академии Наук Россия Geophysical Center of Russian Academy of Sciences Russian Federation 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 Тверской государственный университет Tver Stare University Сколковский институт науки и технологий Россия Skolkovo Institute of Science and Technology (Skoltech) Russian Federation 15 12 2023 15 12 2023 23 5 1 19 20 11 2023 27 11 2023 https://rjes.ru/en/nauka/article/72275/view

The article analyzes histograms of the distribution of the main hydrometeorological parameters of the Caspian Sea for 1980–2021 – air temperature, atmospheric pressure, absolute humidity, atmospheric precipitation and wind speed according to the MERRA-2 atmospheric reanalysis. Histograms were constructed for the entire study region of the Caspian Sea (36◦–48◦N, 45.625◦–55◦E), as well as separately for land and sea areas. The extremeness criteria were calculated based on the normal distribution and the real histogram for all 5 main meteorological parameters. A comparison was made of histograms obtained from MERRA-2 data and from weather station at Derbent located on the coast of the Caspian Sea. Distributions of average monthly wind speed, integral water vapor content and water vapor content in clouds over the Caspian Sea were also constructed according to microwave radiometry (SMMR, SSM/I) data for the time interval 1980–2021.

The article analyzes histograms of the distribution of the main hydrometeorological parameters of the Caspian Sea for 1980–2021 – air temperature, atmospheric pressure, absolute humidity, atmospheric precipitation and wind speed according to the MERRA-2 atmospheric reanalysis. Histograms were constructed for the entire study region of the Caspian Sea (36◦–48◦N, 45.625◦–55◦E), as well as separately for land and sea areas. The extremeness criteria were calculated based on the normal distribution and the real histogram for all 5 main meteorological parameters. A comparison was made of histograms obtained from MERRA-2 data and from weather station at Derbent located on the coast of the Caspian Sea. Distributions of average monthly wind speed, integral water vapor content and water vapor content in clouds over the Caspian Sea were also constructed according to microwave radiometry (SMMR, SSM/I) data for the time interval 1980–2021.

 Caspian Sea climate extreme weather events meteo parameters weather stations MERRA-2 SMMR SSM/I The research was done with the support of the RSF Grant N 23-77-00027 “Investigation of the climate variability of thermo-hydrodynamic regime of the Caspian Sea based on remote sensing data”, https://rscf.ru/en/project/23-77-00027.

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