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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">ellibs</journal-id><journal-title-group><journal-title xml:lang="ru">Электронные библиотеки</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Digital Libraries Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">1562-5419</issn><publisher><publisher-name>Казанский (Приволжский) федеральный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26907/1562-5419-2020-23-4-615-633</article-id><article-id custom-type="elpub" pub-id-type="custom">ellibs-220</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Исследование устойчивости совместной модели к возмущению начальных данных</article-title><trans-title-group xml:lang="en"><trans-title>Stability Studies of a Coupled Model to Perturbation of Initial Data</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>Беляев</surname><given-names>К. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyaev</surname><given-names>K. P.</given-names></name></name-alternatives><email xlink:type="simple">kosbel55@gmail.com</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>Михайлов</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhaylov</surname><given-names>G. M.</given-names></name></name-alternatives><email xlink:type="simple">gmickail@ccas.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>Сальников</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Salnikov</surname><given-names>A. N.</given-names></name></name-alternatives><email xlink:type="simple">salnikov@angel.cs.msu.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>Тучкова</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Tuchkova</surname><given-names>N. P.</given-names></name></name-alternatives><email xlink:type="simple">natalia_tuchkova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Вычислительный центр им. А.А. Дородницына Федерального исследовательского центра «Информатика и управление» Российской академии наук (РАН)</institution></aff><aff xml:lang="en"><institution>Dorodnicyn Computing Center FRC CSC of RAS</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>28</day><month>08</month><year>2020</year></pub-date><volume>23</volume><issue>4</issue><fpage>615</fpage><lpage>633</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Беляев К.П., Михайлов Г.М., Сальников А.Н., Тучкова Н.П., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Беляев К.П., Михайлов Г.М., Сальников А.Н., Тучкова Н.П.</copyright-holder><copyright-holder xml:lang="en">Belyaev K.P., Mikhaylov G.M., Salnikov A.N., Tuchkova N.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://ellibs.elpub.ru/jour/article/view/220">https://ellibs.elpub.ru/jour/article/view/220</self-uri><abstract><p>Задача устойчивости рассматривается в терминах классического определения Ляпунова. Для этого задается множество начальных условий, состоящих их данных предварительных расчетов, и анализируется разброс траекторий, полученных в результате численного моделирования. Эта процедура реализована как серия ансамблевых экспериментов с совместной моделью MPI-ESM института метеорологии М. Планка (Германия). Для численного моделирования задавалась серия различных начальных значений полей характеристик, и модель интегрировалась, начиная с каждого из этих полей, на различные временные периоды. Изучались экстремальные характеристики уровня океана за период 30 лет. Строилось их статистическое распределение, оценивались параметры этого распределения, изучался статистический прогноз на 5 лет вперед. Показано, что статистический прогноз уровня соответствует расчетному прогнозу, полученному по модели. Изучалась локализация экстремальных значений уровня и проводился анализ этих результатов. Численные расчеты выполнялись на суперкомпьютере Ломоносов-2 Московского государственного университета имени М.В. Ломоносова.   </p></abstract><trans-abstract xml:lang="en"><p>The stability problem is considered in terms of the classical Lyapunov definition. For this, a set of initial conditions is set, consisting of their preliminary calculations, and the spread of the trajectories obtained as a result of numerical simulation is analyzed. This procedure is implemented as a series of ensemble experiments with a joint MPI-ESM model of the Institute of Meteorology M. Planck (Germany). For numerical modeling, a series of different initial values of the characteristic fields was specified and the model was integrated, starting from each of these fields for different time periods. Extreme ocean level characteristics over a period of 30 years were studied. The statistical distribution was built, the parameters of this distribution were estimated, and the statistical forecast for 5 years in advance was studied. It is shown that the statistical forecast of the level corresponds to the calculated forecast obtained by the model. The localization of extreme level values was studied and an analysis of these results was carried out. Numerical calculations were performed on the Lomonosov-2 supercomputer of Lomonosov Moscow State University.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нелинейные модели циркуляции</kwd><kwd>численные ансамблевые эксперименты</kwd><kwd>анализ устойчивости модельных траекторий</kwd></kwd-group><kwd-group xml:lang="en"><kwd>non-linear circulation models</kwd><kwd>Ensemble numerical experiments</kwd><kwd>analysis of stability of the model trajectories</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bronselaer B., Winton M., Griffies S.M., Stouffer R.J., Hurlin W.J., Rodgers K., Russell J.L. Change in future climate due to Antarctic meltwater // Nature. 2018. V.&amp;nbsp;564. Issue 7734. 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