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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">10.59887/2073-6673.2025.18(3)-4</article-id><article-id custom-type="edn" pub-id-type="custom">OGYUUJ</article-id><article-id custom-type="elpub" pub-id-type="custom">hydrophysics-1448</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>ГИДРОФИЗИЧЕСКИЕ И БИОГЕОХИМИЧЕСКИЕ ПОЛЯ И ПРОЦЕССЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROPHYSICAL AND BIOGEOCHEMICAL FIELDS AND PROCESSES</subject></subj-group></article-categories><title-group><article-title>Резонансное усиление суточных приливов в Финском заливе</article-title><trans-title-group xml:lang="en"><trans-title>Resonant Amplification of Diurnal Tides in the Gulf of Finland</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0748-0062</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Медведев</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Medvedev</surname><given-names>I. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>МЕДВЕДЕВ Игорь Павлович, ведущий научный сотрудник, заведующий лабораторией цунами, кандидат физико-математических наук</p><p>Scopus AuthorID: 55656381400</p><p>WoS ResearcherID: L‑6118–2013</p><p>117997, Москва, Нахимовский проспект, д.36</p></bio><bio xml:lang="en"><p>36 Nakhimovsky Prosp., Moscow 117997</p></bio><email xlink:type="simple">patamates@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт океанологии им. П.П. Ширшова РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shirshov Institute of Oceanology, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>06</day><month>10</month><year>2025</year></pub-date><volume>18</volume><issue>3</issue><fpage>53</fpage><lpage>59</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Медведев И.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Медведев И.П.</copyright-holder><copyright-holder xml:lang="en">Medvedev I.P.</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/1448">https://hydrophysics.spbrc.ru/jour/article/view/1448</self-uri><abstract><p>На основе анализа уровенных данных на семи береговых мареографах исследован резонансный механизм формирования суточного прилива в Финском заливе. Ключевую роль в формировании приливного режима в Балтийском море играет собственный прилив — реакция водной толщи бассейна на прямое воздействие приливообразующей силы. Важной особенностью прилива в Балтийском море является преобладание суточных приливов над полусуточными. Выявлено, что чем ближе частота приливной гармоники к собственной частоте бассейна, тем будет статический отклик этой гармоники. Это резонансное усиление приливных суточных гармоник происходит из-за влияния собственных колебаний Финского залива и всего Балтийского моря, которые имеют период около 27 ч. Именно из-за резонансного усиления суточных приливных колебаний в Финском заливе максимальная величина прилива в этой части моря может достигать 19 см.</p></abstract><trans-abstract xml:lang="en"><p>Based on the analysis of sea level data from seven coastal tide gauges, the resonance mechanism of diurnal tide formation in the Gulf of Finland was investigated. The main role in the formation of the tidal regime in the Baltic Sea is played by the independent tide, the response of the water column of the basin to the direct impact of the tide-generating forces. An important feature of the tide in the Baltic Sea is the predominance of diurnal tides over semidiurnal ones. It was found that the closer the frequency of the tidal harmonic to the natural frequency of the basin, the stronger the equilibrium response of this tidal harmonic. Such resonance increase in the tidal diurnal components is caused by tidal resonance, the influence of natural oscillations of the Gulf of Finland and the entire Baltic Sea with a period of about 27 hours. It is the presence of resonant amplification of diurnal tidal oscillations in the Gulf of Finland that leads to the fact that the maximum tidal range in this part of the sea reaches 19 cm.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>приливной резонанс</kwd><kwd>суточные приливы</kwd><kwd>Финский залив</kwd><kwd>Балтийское море</kwd><kwd>сейши</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tidal resonance</kwd><kwd>diurnal tides</kwd><kwd>Gulf of Finland</kwd><kwd>Baltic Sea</kwd><kwd>seiche</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках Госзадания ИО РАН FMWE‑2024-0018.</funding-statement><funding-statement xml:lang="en">The research was carried out within the framework of the state project FMWE‑2024-0018 of the Shirshov Institute of Oceanology RAS.</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">Lisitzin E. 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