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  <front>
    <journal-meta>
      <journal-title-group>
        <journal-title xml:lang="ru">Жизнь Земли. Междисциплинарный научно-практический журнал</journal-title>
        <journal-title xml:lang="en">Life of the Earth</journal-title>
      </journal-title-group>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.29003/m4740.0514-7468.2025_47_3/348-358</article-id>            <article-id pub-id-type="publisher-id">2614</article-id>
      <title-group>
        <article-title xml:lang="ru">Причины палеоклиматических изменений в неоплейстоцене Северной Евразии</article-title>        <trans-title-group xml:lang="en"><trans-title>Causes of paleoclimatic changes in the late Pleistocene of Northern Eurasia</trans-title></trans-title-group>      </title-group>
      <contrib-group>
                    <contrib contrib-type="author">
              <string-name xml:lang="ru">Фёдоров В.М.</string-name>              <string-name xml:lang="en">Fedorov, V.M.</string-name>            </contrib>
              </contrib-group>

            <pub-date pub-type="epub" iso-8601-date="2025-09-03">
        <day>03</day>
        <month>09</month>
        <year>2025</year>
      </pub-date>
      
      <volume>47</volume>      <issue>3</issue>      <fpage>348</fpage>      <lpage>358</lpage>
            <history>
                <date date-type="accepted" iso-8601-date="2025-09-03">
  <day>03</day>
  <month>09</month>
  <year>2025</year>
</date>
      </history>
      
      <abstract xml:lang="ru"><p>Проведена модернизация астрономической теории изменений климата, основу которой составили результаты расчётов инсоляции Земли, выполненные с высоким пространственным и временным разрешением. В качестве основы для определения причин неоплейстоценовых оледенений принималось облучение всего Северного полушария. Вариации приходящей солнечной радиации, рассчитываемые в астрономической теории климата, были дополнены расчётами вариаций характеристик переноса радиационного тепла. На основе усовершенствованной астрономической теории найдены причины глобальных климатических изменений в неоплейстоцене. Определено, что ледниковые эпохи связаны с периодами положительной средней аномалии зимнего меридионального переноса тепла и влаги и отрицательной средней аномалии интенсивности летнего облучения в Северном полушарии. Межледниковые эпохи связаны с периодами положительных средних аномалий летней интенсивности облучения и отрицательных средних аномалий зимнего меридионального переноса и межполушарного переноса тепла и влаги из летнего Южного в зимнее Северное полушарие. Различие в интенсивности летнего облучения тёплых и холодных настроенных климатических эпох в 100-тысячелетних циклах в среднем составляет 4,91 Вт/м2 (или 1,151 % от среднего для неоплейстоцена значения летней интенсивности облучения Северного полушария). Таким образом, смена палеоклиматических эпох связана в основном с динамикой характеристик летнего облучения и зимнего переноса радиационного тепла и влаги, определяемой астрономическими факторами.</p></abstract>      <trans-abstract xml:lang="en"><p>The astronomical theory of climate changes (oscillations), created more than 100 years ago by the Serbian mathematician Milutin Milanković, in its current form does not explain global fluctuations of the natural environment in the Late Pleistocene, and therefore requires further refinement and development. And this theory has been modernized. Our revision is based on the results of calculations of the Earth’s insolation, performed with a high spatiotemporal resolution. The irradiation of the entire Northern Hemisphere was taken as the basis for determining the causes of the glaciations in Late Pleistocene. Variations in incoming solar radiation, calculated within the astronomical theory of climate, were supplemented by calculations of variations in the characteristics of radiative heat transfer. Based on the improved astronomical theory, the causes of global climate changes in the Late Pleistocene were found. The effect of dividing seasonal irradiation by phases of annual irradiation of the hemispheres was determined, and on this basis 7 warm and 9 cold solar epochs are distinguished in the solar climate of the Late Pleistocene. It has been determined that the glacial epochs in the Late Pleistocene of Northern Eurasia are associated with periods of positive average anomaly of winter meridional heat and moisture transfer and negative average anomaly of summer irradiation intensity in the Northern Hemisphere. Also, positive average anomalies of radiative heat transfer from the summer Southern Hemisphere to the winter Northern Hemisphere, as well as negative average anomalies of insolation seasonality in the Northern Hemisphere, correspond to glacial periods in the Late Pleistocene. Interglacial epochs are associated with periods of positive average anomalies of summer radiation intensity and negative average anomalies of winter meridional transfer, and interhemispheric transfer of heat and moisture from the summer Southern Hemisphere to the winter Northern Hemisphere. Also, interglacial periods in the Late Pleistocene correspond to negative average anomalies of radiative heat transfer from the summer Southern Hemisphere to the winter Northern Hemisphere, as well as positive average anomalies of insolation seasonality in the Northern Hemisphere. The difference in the intensity of summer irradiation of warm and cold climate epochs in 100-thousand-year cycles averages 4.91 W/m2 (or 1.151% of the average Late Pleistocene value of summer irradiation intensity for the Northern Hemisphere). Therefore, the change of paleoclimatic epochs is associated mainly with the dynamics of the characteristics of summer radiation, and with the winter transfer of radiative heat and moisture determined by astronomical factors.</p></trans-abstract>
      <kwd-group xml:lang="ru"><kwd>астрономическая теория климата</kwd><kwd>ледниковые эпохи</kwd><kwd>межледниковые эпохи</kwd><kwd>цикличность</kwd><kwd>неоплейстоцен</kwd><kwd>инсоляция</kwd><kwd>перенос радиационного тепла и влаги</kwd></kwd-group>      <kwd-group xml:lang="en"><kwd>аstronomical theory of climate</kwd><kwd>glacial epochs</kwd><kwd>interglacial epochs</kwd><kwd>cyclicity</kwd><kwd>Late Pleistocene</kwd><kwd>insolation</kwd><kwd>transfer of radiative heat and moisture</kwd></kwd-group>
          </article-meta>
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