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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">Morskoj gidrofizičeskij žurnal</journal-id>
      <journal-title-group>
        <journal-title xml:lang="en">Morskoj gidrofizičeskij žurnal</journal-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Морской гидрофизический журнал</trans-title>
        </trans-title-group>
      </journal-title-group>
      <issn publication-format="print">0233-7584</issn>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="publisher-id">20240207</article-id>
      <article-id pub-id-type="edn">OZEHXM</article-id>
      
      <article-categories>
        <subj-group subj-group-type="toc-heading" xml:lang="en">
          <subject>Experimental and field research</subject>
        </subj-group>
        <subj-group subj-group-type="toc-heading" xml:lang="ru">
          <subject>Экспериментальные и экспедиционные исследования</subject>
        </subj-group>
        <subj-group subj-group-type="article-type">
          <subject>Research Article</subject>
        </subj-group>
      </article-categories>

      <title-group>
        <article-title xml:lang="en">Temporal Variability of the Beryllium-7 (<sup>7</sup>Be) Scavenging Ratio in the Sevastopol Region</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Временная изменчивость отношения концентраций бериллия-7 в дождевых осадках и в атмосфере в Севастопольском регионе</trans-title>
        </trans-title-group>
      </title-group>

      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8747-6612</contrib-id>
          <contrib-id contrib-id-type="researcherid">AAC-1673-2020</contrib-id>
          <contrib-id contrib-id-type="spin">1695-9378</contrib-id>
          <name-alternatives>
            <name xml:lang="en">
              <surname>Kremenchutskii</surname>
              <given-names>D. A.</given-names>
            </name>
            <name xml:lang="ru">
              <surname>Кременчуцкий</surname>
              <given-names>Д. А.</given-names>
            </name>
          </name-alternatives>
          <address>
            <country country="RU">Russian Federation</country>
          </address>
          <bio xml:lang="ru"><p>старший научный сотрудник, отдел биогеохимии моря, ФГБУН ФИЦ МГИ (Россия, 299011, г. Севастополь, ул. Капитанская, д. 2), кандидат географических наук</p></bio>
          <email>d.kremenchutskii@mhi-ras.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
      </contrib-group>

      <aff-alternatives id="aff1">
        <aff xml:lang="en">
          <institution>Marine Hydrophysical Institute, Russian Academy of Sciences</institution>
          <addr-line>Sevastopol</addr-line>
          <country>Russia</country>
        </aff>
        <aff xml:lang="ru">
          <institution>Морской гидрофизический институт РАН</institution>
          <addr-line>Севастополь</addr-line>
          <country>Россия</country>
        </aff>
      </aff-alternatives>

      <pub-date date-type="pub" iso-8601-date="2024-04-30" publication-format="electronic">
        <day>30</day>
        <month>04</month>
        <year>2024</year>
      </pub-date>
      <volume>40</volume>
      <issue>2</issue>
      <fpage>271</fpage>
      <lpage>283</lpage>

      <history>
        <date date-type="received" iso-8601-date="2023-05-15">
          <day>15</day>
          <month>05</month>
          <year>2023</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2024-01-12">
          <day>12</day>
          <month>01</month>
          <year>2024</year>
        </date>
        <date date-type="accepted" iso-8601-date="2024-01-18">
          <day>18</day>
          <month>01</month>
          <year>2024</year>
        </date>
      </history>

      <permissions>
        <copyright-statement xml:lang="en">Copyright ©; 2024, Kremenchutskii D.A.</copyright-statement>
        <copyright-statement xml:lang="ru">Copyright ©; 2024, Кременчуцкий Д.А.</copyright-statement>
        <copyright-year>2024</copyright-year>
        <copyright-holder xml:lang="en">Kremenchutskii D.A.</copyright-holder>
        <copyright-holder xml:lang="ru">Кременчуцкий Д.А.</copyright-holder>
        <ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/>
        <license>
          <ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0/</ali:license_ref>
        </license>
      </permissions>
      <self-uri xlink:href="https://xn--c1agq7a.xn--p1ai/repository/issues/2024/02/07/" xlink:title="Страница статьи">https://xn--c1agq7a.xn--p1ai/repository/issues/2024/02/07/</self-uri>
      
      <abstract xml:lang="en">
        <p><bold>Purpose.</bold> The study is purposed at identifying the features of temporal variability in the relation of <sup>7</sup>Be scavenging ratio at the seasonal and interannual time intervals depending on the amount and frequency of precipitation.</p>
        <p><bold>Methods and Results.</bold> The scavenging ratio was assessed based on the field data on the <sup>7</sup>Be concentration values in the atmosphere and precipitation in 2012–2020. Application of ANOVA made it possible to examine the relationship between the scavenging ratio and the variations in <sup>7</sup>Be concentrations in the atmosphere and precipitation. The relationship between the scavenging ratio and the precipitation amount and frequency was studied by the correlation method of analysis.</p>
        <p><bold>Conclusions.</bold> The scavenging ratio values averaged over a season and a year varied within the ranges 423–1286 and 508–919, respectively. The geometric mean value of the scavenging ratio was 719<sup>+227</sup><sub>−173</sub>. At the 95% confidence level, the intrayear variability of the scavenging ratio is absent. The variability in average annual values of the scavenging ratio demonstrates a decrease in 2013 (as compared to 2012) from 664 to 508, an increase to 919 in 2016 and again a decrease to 516 in 2020. The ANOVA results indicate that variability of the scavenging ratio values averaged over a season and a year is due to the variation in <sup>7</sup>Be concentration in precipitation by 90 and 74%, respectively. In its turn, the long-term seasonal variability of <sup>7</sup>Be concentration in precipitation is conditioned by the variations in <sup>7</sup>Be concentration in the atmosphere (r = 0.64) and in the precipitation amount (r = –0.50). The relationship between the annual values of <sup>7</sup>Be concentration in precipitation, on the one hand, and its concentration in the atmosphere or the precipitation parameters, on the other, has not been revealed. The results of the correlation analysis indicate that the variability of precipitation parameters (amount and frequency) produces no statistically significant effect (at the 95% confidence level) upon the fluctuations of the scavenging ratio values at the seasonal and annual time intervals.</p>
      </abstract>
      
      <trans-abstract xml:lang="ru">
        <p><bold>Цель.</bold> Выявить особенности временной изменчивости отношения концентрации бериллия-7 в дождевых осадках к его концентрации в атмосфере на сезонном и межгодовом временных интервалах в зависимости от количества и частости выпадения осадков – цель настоящей работы.</p>
        <p><bold>Методы и результаты.</bold> Оценки отношения концентраций были получены на основе натурных данных о значениях концентраций <sup>7</sup>Be в атмосфере и осадках для периода 2012–2020 гг. С помощью дисперсионного анализа исследована взаимосвязь отношения концентраций с вариациями концентраций <sup>7</sup>Be в атмосфере и осадках. Корреляционным методом анализа изучена взаимосвязь отношения концентраций с количеством и частостью атмосферных осадков.</p>
        <p><bold>Выводы.</bold> Усредненные за сезон и за год отношения концентраций менялись в диапазонах 423–1286 и 508–919 соответственно. Среднее геометрическое значение отношения концентраций составило 719<sup>+227</sup><sub>−173</sub>. На уровне достоверности 95% внутригодовая изменчивость отношения концентраций отсутствует. В изменчивости среднегодовых значений отношения концентраций отмечено уменьшение в 2013 г. по сравнению с 2012 г. с 664 до 508, затем следует рост до 919 в 2016 г. и далее наблюдается снижение до 516 в 2020 г. Результаты дисперсионного анализа указывают на то, что многолетняя изменчивость усредненных за сезон и за год отношений концентраций обусловлена вариацией концентрации <sup>7</sup>Be в осадках на 90 и 74% соответственно. В свою очередь, многолетняя изменчивость сезонных значений концентрации <sup>7</sup>Be в осадках обусловлена вариациями его концентрации в атмосфере (r = 0,64) и количества выпадающих осадков (r = –0,50). Связь годовых концентраций <sup>7</sup>Be в осадках с его концентрацией в атмосфере или с параметрами осадков не выявлена. Результаты корреляционного анализа показывают, что изменчивость параметров осадков (количество и частота) не оказывает статистически значимого на уровне достоверности 95% влияния на изменчивость отношения концентраций на сезонном и годовом временных интервалах.</p>
      </trans-abstract>

      <kwd-group xml:lang="en">
        <kwd>Beryllium-7</kwd>
        <kwd>7Be</kwd>
        <kwd>precipitation</kwd>
        <kwd>atmospheric aerosol</kwd>
        <kwd>scavenging ratio</kwd>
      </kwd-group>
      <kwd-group xml:lang="ru">
        <kwd>бериллий-7</kwd>
        <kwd><sup>7</sup>Be</kwd>
        <kwd>атмосферные осадки</kwd>
        <kwd>атмосферный аэрозоль</kwd>
        <kwd>отношение концентраций</kwd>
      </kwd-group>

      <funding-group>
        <funding-statement xml:lang="en">The data for the study were obtained within the framework of the theme of state assignment of the Ministry of Science and Higher Education of Russian Federation (FNNN-2024-0001). Data analysis was carried out under the Russian Science Foundation grant (No. 22-77-10056).</funding-statement>
        <funding-statement xml:lang="ru">Данные для исследования были получены в рамках темы государственного задания Министерства науки и высшего образования Российской Федерации (FNNN-2024-0001). Анализ данных проведен в рамках гранта, выданного Российским научным фондом (№ 22-77-10056).</funding-statement>
      </funding-group>
    </article-meta>
  </front>

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