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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">ekip</journal-id><journal-title-group><journal-title xml:lang="ru">Экология и промышленность России</journal-title><trans-title-group xml:lang="en"><trans-title>Ecology and Industry of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0395</issn><issn pub-type="epub">2413-6042</issn><publisher><publisher-name>ООО "Калвис"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0395-2025-1-59-65</article-id><article-id custom-type="elpub" pub-id-type="custom">ekip-2812</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>АНАЛИЗ. МЕТОДИКИ. ПРОГНОЗЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYSIS. METHODS. PROGNOSIS</subject></subj-group></article-categories><title-group><article-title>Гидрохимическая динамика речного потока горной реки (на примере р. Катунь)</article-title><trans-title-group xml:lang="en"><trans-title>Hydrochemical Dynamics of River Flow in a Mountain River (Katun River as an Example)</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>Розенталь</surname><given-names>О.М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rosenthal</surname><given-names>O.M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, профессор</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor</p></bio><email xlink:type="simple">podpiska@kalvis.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>Крохин</surname><given-names>Г.Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Krokhin</surname><given-names>G.B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант; ассистент</p></bio><bio xml:lang="en"><p>Postgraduate Student; Assistant</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт водных проблем, Российская академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Water Problems Institute, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт водных проблем, Российская академия наук; МИРЭА – Российский Технологический Университет (Институт тонких химических технологий им. М. В. Ломоносова)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Water Problems Institute, Russian Academy of Sciences; MIREA – Russian Technological University (Lomonosov Institute of Fine Chemical Technologies)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>15</day><month>01</month><year>2025</year></pub-date><volume>29</volume><issue>1</issue><fpage>59</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ООО "Калвис", 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">ООО "Калвис"</copyright-holder><copyright-holder xml:lang="en">ООО "Калвис"</copyright-holder><license xlink:href="https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ecology-kalvis.ru/jour/article/view/2812">https://www.ecology-kalvis.ru/jour/article/view/2812</self-uri><abstract><p>Отмечено, что эффективность охраны и рационального использования водных ресурсов понижается из-за неопределенности информации о самопроизвольно меняющихся показателях их качества, уникальности такой изменчивости и, следовательно, невозможности разработки единых правил хозяйственного использования водоемов и водотоков. Показано, что данные проблемы возникают не только на водных объектах, подвергающихся интенсивному антропогенному воздействию, но и у остающихся в практически естественных условиях. Приведены результаты исследований авторами рек Горного Алтая, где обнаружены такие особенности талой (свежеобразованной) воды, как структурные сдвиги временных рядов показателей ее качества, кластеризация волатильности, несезонная цикличность и длинная память временных рядов. Сделан вывод о необходимости учета не только внешних условий, но и собственных динамических характеристик водного потока для оценки состава и свойств воды с целью достоверного прогнозирования ее качества и обеспечения эффективного водопользования.</p></abstract><trans-abstract xml:lang="en"><p>It is noted that the efficiency of protection and rational use of water resources decreases due to uncertainty of information about spontaneously changing indicators of their quality, uniqueness of such variability and, consequently, due to impossibility to develop uniform rules of economic use of water bodies and watercourses. It is shown that these problems arise not only in water bodies subjected to intensive anthropogenic impact, but also in those remaining in practically natural conditions. The results of the authors' studies of the rivers of the Altai Mountains are presented, where such features of melt (freshly formed) water as structural shifts in time series of its quality indicators, clustering of volatility, non-seasonal cyclicity and long memory of time series were discovered. It was concluded that it is necessary to take into account not only external conditions but also intrinsic dynamic characteristics of water flow to assess water composition and properties in order to reliably predict its quality and ensure efficient water use.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>качество воды</kwd><kwd>длинная память</kwd><kwd>SARIMAX</kwd><kwd>R/S-анализ</kwd><kwd>прогнозирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>water quality</kwd><kwd>long memory</kwd><kwd>SARIMAX</kwd><kwd>R/S-analysis</kwd><kwd>forecasting</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">Савичев О.Г., Паромов В.В., Копылова Ю.Г., Хващевская А.А., Гусева Н.В. Эколого-геохимическое состояние поверхностных вод в бассейне р. Катунь (Горный Алтай). Вестник Томского государственного университета. 2013. Т. 366. 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