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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 custom-type="elpub" pub-id-type="custom">hydrophysics-844</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>ГИДРОАКУСТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROACOUSTICS</subject></subj-group></article-categories><title-group><article-title>Пузырьковые выходы газа на дне озера Байкал: эхолокационное наблюдение и оценка потока метана, связь этого потока с высотой газовых факелов</article-title><trans-title-group xml:lang="en"><trans-title>Bubble gas escapes from the bottom of Lake Baikal, dependence of gas flare height on methane flux</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>Макаров</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иркутск</p></bio><bio xml:lang="en"><p>Irkutsk</p></bio><email xlink:type="simple">mmmsoft@hlserver.lin.irk.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>Муякшин</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Muyakshin</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Нижний Новгород</p></bio><bio xml:lang="en"><p>Nizhny Novgorod</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кучер</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kucher</surname><given-names>K. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иркутск</p></bio><bio xml:lang="en"><p>Irkutsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Асламов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Aslamov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иркутск</p></bio><bio xml:lang="en"><p>Irkutsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гнатовский</surname><given-names>Р. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Gnatovsky</surname><given-names>R. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иркутск</p></bio><bio xml:lang="en"><p>Irkutsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гранин</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Grani</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иркутск</p></bio><bio xml:lang="en"><p>Irkutsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Лимнологический институт Сибирского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Limnological Institute Siberian Branch of the RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Нижегородский государственный университет им. Н. И. Лобачевского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lobachevsky State University of Nizhny Novgorod</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>18</day><month>11</month><year>2022</year></pub-date><volume>9</volume><issue>3</issue><fpage>32</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Макаров М.М., Муякшин С.И., Кучер К.И., Асламов И.А., Гнатовский Р.Ю., Гранин Н.Г., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Макаров М.М., Муякшин С.И., Кучер К.И., Асламов И.А., Гнатовский Р.Ю., Гранин Н.Г.</copyright-holder><copyright-holder xml:lang="en">Makarov M.M., Muyakshin S.I., Kucher K.M., Aslamov I.A., Gnatovsky R.Y., Grani N.G.</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/844">https://hydrophysics.spbrc.ru/jour/article/view/844</self-uri><abstract><p>Представлены результаты эхолокационных измерений потока газа из его пузырьковых выходов на дне озера Байкал, полученных в 2005—2014 г. Впервые выявлена связь между высотой струи всплывающих пузырьков газа и величиной потока метана. Анализ полученной зависимости показал, что все выходы газовые разделяются на три основных группы в зависимости от их глубины истечения: мелководные, промежуточные и глубоководные. Обсуждаются зарегистрированные факты извержения газовых выходов. Показано, что объем метана в первой порции выброшенного газа более чем на порядок больше, чем в среднем для стационарного режима истечения конкретного выхода газа. Диапазон изменения радиусов пузырьков во время извержения оценивался по скорости всплытия облаков пузырьков газа.</p></abstract><trans-abstract xml:lang="en"><p>The paper summarizes the results of echolocation measurements of gas flux from the bubble gas escapes at the bottom of Lake Baikal, obtained in 2005—2014. For the first time the relationship between the height of the acoustic image of the rising bubbles jet and the corresponding methane flux was established. An analysis of this dependence shows that all gas flares are divided into three groups depending on their depth: shallow, intermediate and deep gas seeps. The results of unique observations of three events of gas eruption are discussed. It is shown that the methane flux in the first emissions was by more than an order of magnitude higher than the average, typical for the steady-state emission regime. The range of bubbles radii variation was estimated by ascent rate of bubbles clouds boundaries localized by depth.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>выходы газов</kwd><kwd>оценка потока метана</kwd><kwd>газовые гидраты</kwd><kwd>озеро Байкал</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gas discharge</kwd><kwd>methane seep</kwd><kwd>estimate of methane flux</kwd><kwd>gas hydrates</kwd><kwd>Lake Baikal</kwd></kwd-group><funding-group><funding-statement xml:lang="en">We would like to thank members of the Limnology Institute, especially M. A. Grachev, L. Z. Granina, A. A. Zhdanov, M. N. Shimaraev, V. Tsekhanovsky, N. G. Melnik, S. Alekhin and the crews of the R/V G. Yu. Vereshchagin and R/V G. Titov for their help. This work was supported by grant RFBR 16-35-00363 mol_a, and budget project VIII.76.1.5.</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">Kvenvolden K. A. Gas hydrates — geological perspective and global change // Rev. Geophys. 1993. N. 31. P. 173—187.</mixed-citation><mixed-citation xml:lang="en">Kvenvolden K. A. Gas hydrates — geological perspective and global change // Rev. Geophys. 1993. N. 31. P. 173—187.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Егоров В. Н., Артемов Ю. Г., Гулин С. Б. Метановые сипы в Черном море: средообразующая и экологическая роль / Под ред. Г. Г. Поликарпова. 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