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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">hydrophysics</journal-id><journal-title-group><journal-title xml:lang="ru">Фундаментальная и прикладная гидрофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Fundamental and Applied Hydrophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6673</issn><issn pub-type="epub">2782-5221</issn><publisher><publisher-name>St. Petersburg Research Center of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.59887/fpg/ex1p-9vtp-phu8</article-id><article-id custom-type="elpub" pub-id-type="custom">hydrophysics-721</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ГИДРООПТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROOPTICS</subject></subj-group></article-categories><title-group><article-title>Спектральные показатели поглощения света взвешенным веществом и растворенным органическим веществом в Азовском море</article-title><trans-title-group xml:lang="en"><trans-title>Spectral Light Absorption Coefficient of Particles and Colored Dissolved Organic Matter in the Sea of Azov</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0045-7284</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чурилова</surname><given-names>Т. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Churilova</surname><given-names>T. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чурилова Татьяна Яковлевна. Кандидат биологических наук, ведущий научный сотрудник, руководитель научно-исследовательского центра Геоматики </p><p>WoS ResearcherID: O-8437-2016</p><p>Scopus AuthorID: 6603622802</p><p>elibrary AuthorID: 888565</p><p>299011, пр. Нахимова, д. 2, г. Севастополь</p></bio><bio xml:lang="en"><p>299011, Nakhimov Pr, 2, Sevastopol</p></bio><email xlink:type="simple">tanya.churilova@ibss-ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3908-4160</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ефимова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Efimova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ефимова Татьяна Владимировна. Кандидат биологических наук, научный сотрудник </p><p>WoS ResearcherID: X-1355-2019</p><p>Scopus AuthorID: 57194423783</p><p>elibrary AuthorID: 766926</p><p>299011, пр. Нахимова, д. 2, г. Севастополь</p></bio><bio xml:lang="en"><p>299011, Nakhimov Pr, 2, Sevastopol</p></bio><email xlink:type="simple">tefimova@ibss-ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1356-7981</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Моисеева</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Moiseeva</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Моисеева Наталия Александровна. Научный сотрудник </p><p>WoS ResearcherID: AAH-2819–2019</p><p>Scopus AuthorID: 57194431032</p><p>elibrary AuthorID: 959717</p><p>299011, пр. Нахимова, д. 2, г. Севастополь</p></bio><bio xml:lang="en"><p>299011, Nakhimov Pr, 2, Sevastopol</p></bio><email xlink:type="simple">moiseeva@ibss-ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3057-3964</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Скороход</surname><given-names>Е. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Skorokhod</surname><given-names>E. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скороход Наталия Александровна. Младший научный сотрудник </p><p>WoS ResearcherID: A-6831–2019</p><p>Scopus AuthorID: 57215009764</p><p>elibrary AuthorID: 1034485</p><p>299011, пр. Нахимова, д. 2, г. Севастополь</p></bio><bio xml:lang="en"><p>299011, Nakhimov Pr, 2, Sevastopol</p></bio><email xlink:type="simple">elenaskorokhod@ibss-ras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный исследовательский центр «Институт биологии южных морей имени А.О. Ковалевского РАН»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2022</year></pub-date><volume>15</volume><issue>3</issue><elocation-id>73–83</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Чурилова Т.Я., Ефимова Т.В., Моисеева Н.А., Скороход Е.Ю., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Чурилова Т.Я., Ефимова Т.В., Моисеева Н.А., Скороход Е.Ю.</copyright-holder><copyright-holder xml:lang="en">Churilova T.Y., Efimova T.V., Moiseeva N.A., Skorokhod E.Y.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://hydrophysics.spbrc.ru/jour/article/view/721">https://hydrophysics.spbrc.ru/jour/article/view/721</self-uri><abstract><p>Исследование было проведено на основе результатов измерения концентрации хлорофилла-а (TChl-a), спектральных показателей поглощения света пигментами фитопланктона, неживым взвешенным веществом (NAP) и окрашенным растворенным органическим веществом (CDOM) в южной части Азовского моря в разные сезоны в период 2016–2020 гг. Получены новые для Азовского моря данные о вариабельности спектральных показателей поглощения света всеми оптически активными компонентами среды. Показана высокая (более чем на порядок) вариабельность всех исследованных показателей. В сезонной динамике TChl-a отмечены максимумы в зимнее и летнее время. Установлена связь между поглощением света фитопланктоном и TChl-a, которая описывается степенной зависимостью. Выявлены значительные сезонные различия (в два и более раза) между коэффициентами в уравнении параметризации поглощения света фитопланктоном. Выполнена параметризация поглощения света NAP и CDOM, установлены диапазоны вариабельности значений показателей поглощения света и экспоненциального наклона спектров, выявлена их сезонная динамика. Показано, что изменение показателей поглощения света NAP и CDOM в течение года имело обратный характер в сравнении с годовым циклом TChl-a. Увеличение показателей поглощения NAP и CDOM наблюдалось после цветения фитопланктона, когда величины TChl-a уменьшались. Относительный вклад фитопланктона, NAP и CDOM в общее поглощение света взвешенным и растворенным веществом на длине волны 440 значительно варьировал в течение года. Доля фитопланктона была максимальной зимой и летом, а весной и осенью максимальный вклад в поглощение приходился на CDOM и NAP.</p></abstract><trans-abstract xml:lang="en"><p>The research was carried out based on the results of measuring the concentration of chlorophyll-a (TChl-a), spectral coefficient of light absorption by phytoplankton, non-algal particles (NAP) and colored dissolved organic matter (CDOM) in the southern part of the Sea of Azov in different seasons from 2016 to 2020. New data for the Sea of Azov on the variability of the spectral coefficient of light absorption by all optically active components have been obtained. A high (more than an order of magnitude) variability of all studied parameters was shown. The seasonal dynamics of TChl-a shows maxima in winter and summer. A relationship between the phytoplankton absorption and TChl-a has been revealed, which is described by a power function. Significant seasonal differences (two or more times) between the coefficients in the equation for parametrization of light absorption by phytoplankton were revealed. The NAP and CDOM light absorption were parametrized, the ranges of variability of the absorption </p><p>coefficient and the exponential slope were revealed, and their seasonal dynamics was shown. Annual variability of absorption coefficient of NAP and CDOM was opposite to the annual cycle of TChl-a. The NAP and CDOM absorption coefficients increased after phytoplankton blooms, when TChl-a decreased. The relative contribution of phytoplankton, NAP, and CDOM to the total absorption by particles and dissolved matter at 440 nm varied significantly over the year. The share of phytoplankton was maximum in winter and summer, while in spring and autumn the maximum contribution to absorption was made by CDOM and NAP.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>концентрация хлорофилла-а</kwd><kwd>спектральный показатель поглощения света</kwd><kwd>пигменты фитопланктона</kwd><kwd>взвешенное вещество</kwd><kwd>окрашенное растворенное органическое вещество</kwd><kwd>Азовское море</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chlorophyll-a concentration</kwd><kwd>spectral light absorption coefficient</kwd><kwd>phytoplankton pigments</kwd><kwd>non-algal particles</kwd><kwd>colored dissolved organic matter</kwd><kwd>Sea of Azov</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы благодарны ведущему инженеру Землянской Е.А. за помощь в отборе и обработке проб. Исследование вариабельности спектральных биооптических показателей вод выполнено в рамках гранта РНФ № 22–27–00790.</funding-statement><funding-statement xml:lang="en">The study of the variability of the spectral biooptical indicators of waters was carried out within the framework of the Russian Science Foundation grant No. 22–27–00790.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Гидрометеорология и гидрохимия морей СССР. Азовское море / Под ред. Н.П. Гоптарева, А.И. Симонова, Б.М. Затучной, Д.Е. Гершановича. СПб.: Гидрометеоиздат, 1991, 235 с.</mixed-citation><mixed-citation xml:lang="en">Hydrometeorology and hydrochemistry of the seas of the USSR. The Sea of Azov / Edited by N.P. Goptarev, A.I. Simonov, B.M. Zatochnaya, D.E. Gershanovich. St. Petersburg, Hydrometeoizdat, 1991, 235 p. 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