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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">10.7868/S2073667320040048</article-id><article-id custom-type="elpub" pub-id-type="custom">hydrophysics-122</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>Определение диссипации бароклинной приливной энергии и связанного с ней коэффициента диапикнической диффузии как первый шаг оценивания роли приливных эффектов в формировании климатических характеристик моря Лаптевых</article-title><trans-title-group xml:lang="en"><trans-title>The Determination of Baroclinic Tidal Energy Dissipation and Its Related Diapycnal Diffusivity as the First Step in Estimating the Role of Tidal Effects in the Formation of the Laptev Sea’s Climatic Characteristics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каган</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kagan</surname><given-names>B. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>117997, Нахимовский пр., д. 36, г. Москва</p></bio><bio xml:lang="en"><p>117997, Nahimovsky Pr., 36, Moscow</p></bio><email xlink:type="simple">kagan@ioras.nw.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тимофеев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Timofeev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>117997, Нахимовский пр., д. 36, г. Москва</p></bio><bio xml:lang="en"><p>117997, Nahimovsky Pr., 36, Moscow</p></bio><email xlink:type="simple">timofeev@ioras.nw.ru</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 RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>03</day><month>12</month><year>2021</year></pub-date><volume>13</volume><issue>4</issue><fpage>39</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каган Б.А., Тимофеев А.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Каган Б.А., Тимофеев А.А.</copyright-holder><copyright-holder xml:lang="en">Kagan B.A., Timofeev A.A.</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/122">https://hydrophysics.spbrc.ru/jour/article/view/122</self-uri><abstract><p>Для определения диссипации бароклинной приливной энергии и связанного с ней коэффициента диапикнической диффузии привлекается высокоразрешающая версия трехмерной конечно-элементной гидростатической модели QUODDY-4, снабженная косвенным способом описания приливных эффектов. Последние параметризуются в терминах скорректированного (с учетом диапикнической диффузии) коэффициента вертикальной турбулентной диффузии. Коэффициент диапикнической диффузии находится из решения вспомогательной задачи о динамике и энергетике внутренних приливных волн. Полученное решение показывает, что коэффициенты вертикальной турбулентной и диапикнической диффузии, характеризующие интенсивность соответствующей диффузии, имеют близкие порядки величин, что поля климатических характеристик моря подвержены поэтому весьма заметным изменениям за счет индуцируемой внутренними приливными волнами диапикнической диффузии и что, следовательно, вывод, сделанный ранее, о важной роли приливных эффектов в формировании климатических характеристик Баренцева и Карского морей, предварительно остается в силе и для моря Лаптевых.</p></abstract><trans-abstract xml:lang="en"><p>To determine baroclinic tidal energy dissipation and its related diapycnal diffusivity, we have used a high-resolution version of the 3D finite-element hydrostatic model QUODDY-4, equipped with an indirect means for describing tidal effects. The latters are parameterized in the terms of a corrected (with account for diapycnal diffusion) vertical eddy diffusivity. A diapycnal diffusivity is found from the solution of an auxiliary task on dynamics of internal tidal waves (ITWs). The derived solution shows that the vertical eddy and diapycnal diffusivities have nearby orders of magnitude, that the fields of climatic characteristics in the sea are subjected to quite marked changes due to ITW-induced diapycnal diffusion and that, hence, the conclusion obtained early, concerning an important role of tidal effects in the formation of regional climates of the Barents and Kara Seas remains valid for the Laptev Sea as well.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>диссипация бароклинной приливной энергии</kwd><kwd>коэффициенты вертикальной турбулентной и диапикнической диффузии</kwd><kwd>моделирование</kwd><kwd>море Лаптевых</kwd></kwd-group><kwd-group xml:lang="en"><kwd>barotropic tidal energy dissipation</kwd><kwd>the vertical eddy and diapycnal diffusivities</kwd><kwd>modeling</kwd><kwd>the Laptev Sea</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания (тема 0149–2019–0015).</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">Каган Б.А., Софьина Е.В. 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