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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">tinro</journal-id><journal-title-group><journal-title xml:lang="ru">Известия ТИНРО</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya TINRO</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1606-9919</issn><issn pub-type="epub">2658-5510</issn><publisher><publisher-name>ТИНРО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26428/1606-9919-2026-206-376-384</article-id><article-id custom-type="edn" pub-id-type="custom">UAIOLG</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-1128</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>УСЛОВИЯ ОБИТАНИЯ ПРОМЫСЛОВЫХ ОБЪЕКТОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENVIRONMENTS OF FISHERIES RESOURCES</subject></subj-group></article-categories><title-group><article-title>Галинный поток энтропии в океан вследствие пространственной неравномерности распределения разности осадков и испарения</article-title><trans-title-group xml:lang="en"><trans-title>Halinе entropy flux into the Ocean due to spatial heterogeneity of the difference precipitation – evaporation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0574-1452</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кильматов</surname><given-names>Т. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Kilmatov</surname><given-names>T. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кильматов Талгат Рустемович, доктор физико-математических наук, профессор</p><p>690041, г. Владивосток, ул. Балтийская, 43;</p><p>690003, г. Владивосток, ул. Верхнепортовая, 50а</p></bio><bio xml:lang="en"><p>Talgat R. Kilmatov, Math., professor</p><p>43, Baltiyskaya Str., Vladivostok, 690041;</p><p>Maritime State University, 50</p></bio><email xlink:type="simple">talgat_k@mail.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/0000-0001-6714-7662</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рудых</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rudykh</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рудых Наталья Ивановна, кандидат географических наук, старший научный сотрудник</p><p>690041, г. Владивосток, ул. Балтийская, 43</p></bio><bio xml:lang="en"><p>Natalia I. Rudykh, senior researcher</p><p>43, Baltiyskaya Str., Vladivostok, 690041</p></bio><email xlink:type="simple">rudykh@poi.dvo.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский океанологический институт им. В.И. Ильичева ДВО РАН; Морской государственный университет им. адм. Г.И. Невельского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific Oceanological Institute; Maritime State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Тихоокеанский океанологический институт им. В.И. Ильичева ДВО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific Oceanological Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>24</day><month>07</month><year>2026</year></pub-date><volume>206</volume><issue>2</issue><fpage>376</fpage><lpage>384</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кильматов Т.Р., Рудых Н.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Кильматов Т.Р., Рудых Н.И.</copyright-holder><copyright-holder xml:lang="en">Kilmatov T.R., Rudykh N.I.</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://izvestiya.tinro-center.ru/jour/article/view/1128">https://izvestiya.tinro-center.ru/jour/article/view/1128</self-uri><abstract><p>Построены полуэмпирические формулы для оценки галинной компоненты потока энтропии, генерированной неравномерностью пространственного распределения разности испарения и осадков и поля солености на границе океан–атмосфера. Представлены расчеты декадного (10 лет) изменения потока энтропии на меридиональном разрезе 180о в Тихом океане за период 40 лет. Использовались исходные данные с пространственным шагом 4о из Базы данных GODAS (Global Ocean Data Assimilation System). Рассматриваемый временной период – 1984–2024 гг. Акватория сепарируется на блоки с преобладанием испарения (рост солености воды в поверхностном слое) и преобладаем осадков (распреснение). Приводятся декадные изменения характеристик – потоков массы, температуры, солености для блоков. Оценка галинной компоненты потока энтропии имеет порядок –5 . 10–5 Вт/м2K. Это составляет не более 1 % от потока энтропии, генерированного потоками тепла между океаном и атмосферой. В то же время отмечается важность этой характеристики для контроля устойчивости параметров водообмена на фоне наблюдаемых климатических трендов. Расчет показывает рост разности средних поверхностных температур морской воды между акваториями с преобладанием испарения и доминированием осадков. Суммарный (за счет тепло- и массаобменов) поток энтропии растет и это благоприятная тенденция в направлении поддержания горизонтальных градиентов термогалинных параметров в климатическом масштабе.</p></abstract><trans-abstract xml:lang="en"><p>The formulas are proposed for estimating the haline component of entropy flux generated by uneven spatial distribution of evaporation, precipitation, and salinity at the ocean–atmosphere boundary. The entropy flux is calculated with 4о discretion on GODAS (Global Ocean Data Assimilation System) data for the meridian transect in the Pacific along 180о in 1984–2024 and its decadal variability is analyzed. The transect is separated to blocks with prevalence of evaporation (the salt flux into the ocean) and precipitation (the salt flux from the ocean). The fluxes of temperature, salinity, and mass are determined for each block and the haline component of entropy flux is estimated as ~ –5.10–5 W/m2K. This value does not exceed 1 % of the entropy flux caused by heat exchange between the ocean and atmosphere. However, this parameter is important for monitoring of the water exchange stability in conditions of changing climate. Increasing difference of the sea surface temperature is observed between blocks with opposite balance of evaporation and precipitation, but the tendency for the total entropy flux (due to heat and mass transfer) to increase presumably stabilizes spatial gradients of temperature and salinity on climate scale.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поток энтропии</kwd><kwd>испарение и осадки</kwd><kwd>соленость</kwd><kwd>поток массы</kwd><kwd>химический потенциал</kwd><kwd>климатический тренд</kwd></kwd-group><kwd-group xml:lang="en"><kwd>entropy flux</kwd><kwd>evaporation-precipitation balance</kwd><kwd>salinity</kwd><kwd>mass flux</kwd><kwd>chemical potential</kwd><kwd>climate trend</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность рецензентам за ценные замечания, полученные при подготовке работы. Работа была выполнена в рамках двух гос. заданий ТОИ ДВО РАН: Государственное задание «Исследование климатических аспектов распространения природных газов в морских акваториях и на прибрежных территориях, а также связанных с этим явлений и процессов», регистрационный номер 125051406034-3; «Исследование структуры и динамики вод Мирового океана в условиях современных климатических изменений», регистрационный номер 124022100079-4.</funding-statement><funding-statement xml:lang="en">The authors are thankful to anonymous reviewers for their valuable comments useful for the article. The study was funded from the budget of Pacific Oceanological Institute, Far-Eastern branch of Russian Ac. Sci., according to the state assignments «The study of climatic aspects of natural gas distribution in marine waters and coastal areas, as well as related phenomena and processes», registration number 125051406034-3, and «The study of structure and dynamics of waters in the World Ocean in conditions of modern climate change», registration number: 124022100079-4.</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">Гленсдорф П., Пригожин И. 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