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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">geolmsu</journal-id><journal-title-group><journal-title xml:lang="ru">ВЕСТНИК МОСКОВСКОГО УНИВЕРСИТЕТА. СЕРИЯ 4. ГЕОЛОГИЯ</journal-title><trans-title-group xml:lang="en"><trans-title>Moscow University Bulletin. Series 4. Geology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0579-9406</issn><publisher><publisher-name>Издательский Дом МГУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55959/MSU0579-9406-4-2025-64-3-13-16</article-id><article-id custom-type="elpub" pub-id-type="custom">geolmsu-808</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>Эффект разделения сезонного облучения Земли в неоплейстоцене по фазам изменения эксцентриситета ее орбиты</article-title><trans-title-group xml:lang="en"><trans-title>The effect of dividing the seasonal irradiation of the Earth in the Late  Pleistocene according to the phases of change in the eccentricity of its orbit</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2305-7408</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоров</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> Валерий Михайлович Федоров</p><p>Москва</p></bio><bio xml:lang="en"><p> Valery M. Fedorov</p><p>Moscow</p></bio><email xlink:type="simple">fedorov.msu@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/0000-0002-0307-8175</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фролов</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolov</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денис Максимович Фролов</p><p>Москва</p></bio><bio xml:lang="en"><p>Denis M. Frolov</p><p>Moscow</p></bio><email xlink:type="simple">denisfrolovm@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>09</day><month>07</month><year>2025</year></pub-date><volume>64</volume><issue>3</issue><fpage>13</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Федоров В.М., Фролов Д.М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Федоров В.М., Фролов Д.М.</copyright-holder><copyright-holder xml:lang="en">Fedorov V.M., Frolov D.M.</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://vestnik.geol.msu.ru/jour/article/view/808">https://vestnik.geol.msu.ru/jour/article/view/808</self-uri><abstract><p>Для неоплейстоцена выполнены расчеты интенсивности облучения Земли и полушарий с высоким пространственным и временным разрешением. Обнаружен эффект разделения сезонного облучения полушарий по фазам увеличения и уменьшения эксцентриситета земной орбиты. Эффект проявляется в том, что интенсивность летнего облучение в Северном полушарии в фазу увеличения эксцентриситета превышает интенсивность его облучения в фазу уменьшения эксцентриситета. В зимнее полугодие в Северном полушарии отмечается обратный эффект. В фазу увеличения эксцентриситета интенсивность облучения уступает интенсивности облучения в фазе уменьшения эксцентриситета. В Южном полушарии в зимнее полугодие отмечается прямой эффект сезонного разделения, в летнее полугодие — обратный. Эффект сезонного разделения связан с тем, что эксцентриситетом определяется интенсивность годового облучения Земли и полушарий, а также амплитуда интенсивности сезонного облучения. Эффектом разделения сезонного облучения объясняется механизм образования и проявления 100-тысячелетнего цикла в изменении природной среды в неоплейстоцене.</p></abstract><trans-abstract xml:lang="en"><p>The calculations of the intensity of irradiation of the Earth and hemispheres with high spatial and temporal resolution were performed for the Late Pleistocene. The effect of division of seasonal irradiation of the hemispheres by phases of increasing and decreasing eccentricity of the Earth’s orbit was discovered. The effect is manifested in the fact that the intensity of summer irradiation in the Northern Hemisphere in the phase of increasing eccentricity exceeds the intensity of its irradiation in the phase of decreasing eccentricity. In the winter half-year, the opposite effect is observed in the Northern Hemisphere. In the phase of increasing eccentricity, the intensity of irradiation is inferior to the intensity of irradiation in the phase of decreasing eccentricity. In the Southern Hemisphere, in the winter half-year, a direct effect of seasonal division is observed, in the summer half-year — the opposite. The effect of seasonal division is associated with the fact that the intensity of annual irradiation of the Earth and hemispheres, as well as the amplitude of the intensity of seasonal irradiation, are determined by eccentricity. The effect of seasonal irradiation division explains the mechanism of formation and manifestation of the 100-thousand-year cycle in the change of the natural environment in the Late Pleistocene.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неоплейстоцен</kwd><kwd>годовое и месячное облучение Земли</kwd><kwd>солярная геохронология</kwd><kwd>климатостратиграфия</kwd><kwd>фазовое разделение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Late Pleistocene</kwd><kwd>annual and monthly irradiation of the Earth</kwd><kwd>solar geochronology</kwd><kwd>climatostratigraphy</kwd><kwd>phase separation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в соответ ствии с госбюджетными темами Географического  факультета МГУ «Палеогеографические реконструк ции природных геосистем и прогнозирование их  изменений» (121051100135-0), «Опасность и риск  природных процессов и явлений» (121051300175-4),  «Эволюция, современное состояние и прогноз  развития береговой зоны Российской Арктики»  (121051100167-1).</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">Большаков В.А. 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