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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">gscience</journal-id><journal-title-group><journal-title xml:lang="en">Mining Science and Technology (Russia)</journal-title><trans-title-group xml:lang="ru"><trans-title>Горные науки и технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-0632</issn><publisher><publisher-name>The National University of Science and Technology MISiIS (NUST MISIS)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/2500-0632-2019-3-181-187</article-id><article-id custom-type="elpub" pub-id-type="custom">gscience-154</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="en"><subject>SAFETY IN MINING AND PROCESSING INDUSTRY AND ENVIRONMENTAL PROTECTION</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ТЕХНОЛОГИЧЕСКАЯ БЕЗОПАСНОСТЬ В МИНЕРАЛЬНО-СЫРЬЕВОМ КОМПЛЕКСЕ И ОХРАНА ОКРУЖАЮЩЕЙ СРЕДЫ</subject></subj-group></article-categories><title-group><article-title>Behaviour of Pollutants in the Upper Reaches of East Jiu River Case Study</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ распространения загрязняющих веществ на примере верховьев р. Ист Джиу</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>Симион</surname><given-names>А. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Simion</surname><given-names>A. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрошани</p></bio><bio xml:lang="en"><p>Petrosani</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лазар</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Lazar</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрошани</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дребенштедт</surname><given-names>К.</given-names></name><name name-style="western" xml:lang="en"><surname>Drebenstedt</surname><given-names>C.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фрайберг</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>National Institute for Research and Development in Mine Safety and Protection to Explosion-INSEMEX</institution><country>Румыния</country></aff><aff xml:lang="en"><institution>National Institute for Research and Development in Mine Safety and Protection to Explosion-INSEMEX</institution><country>Romania</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>University of Petrosani</institution><country>Румыния</country></aff><aff xml:lang="en"><institution>University of Petrosani</institution><country>Romania</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Фрайбергская горная академия</institution><country>Германия</country></aff><aff xml:lang="en"><institution>Technische Universitat Berg Akademie Freiberg</institution><country>Germany</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>06</day><month>01</month><year>2020</year></pub-date><volume>4</volume><issue>3</issue><fpage>181</fpage><lpage>187</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Simion A.F., Lazar M., Drebenstedt C., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Симион А.Ф., Лазар М., Дребенштедт К.</copyright-holder><copyright-holder xml:lang="en">Simion A.F., Lazar M., Drebenstedt C.</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://mst.misis.ru/jour/article/view/154">https://mst.misis.ru/jour/article/view/154</self-uri><abstract><p>Surface water pollution is one of the consequences of modern society development through permanent pressures on the environment imposed by economic activities to provide the necessary resources for keeping modern living standards. Degradation of fresh water bodies is caused by the disappearance of natural water collection areas, deforestation and unsustainable farming practices, river pollution with wastes and the discharge of non-treated domestic and industrial wastewater into natural recipients. The main purpose of the mathematical modeling of rivers is to predict pollution dispersal in longitudinal and transversal directions, taking into account water body mixing coefficient. This paper is devoted to monitoring of physico-chemical indicators in the sampled river reaches and simulation of pollutant dispersal in the upper reaches of the East Jiu river.</p></abstract><trans-abstract xml:lang="ru"><p>Загрязнение поверхностных вод является одним из последствий развития современного общества и экономической деятельности на основе эксплуатации природных ресурсов с оказанием постоянного давления на окружающую среду - в целях поддержания высокого уровня жизни здесь и сейчас. Деградация пресноводных водоемов вызвана исчезновением природных водосборных площадей, вырубкой лесов и истощающими природные ресурсы и экологически опасными методами ведения сельского хозяйства, загрязнением рек мусором и сбросом бытовых и промышленных сточных вод в природные водоемы без надлежащей очистки. Основной целью математического моделирования рек является прогнозирование распространения загрязняющего вещества в продольном и поперечном направлении с учетом коэффициента перемешивания вод водоема. Эта статья посвящена мониторингу физико-химических показателей вод на участках отбора проб воды, а также моделированию рассеяния загрязняющих веществ в верхнем течении реки Ист Джиу.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>загрязнение вод</kwd><kwd>окружающая среда</kwd><kwd>расчет динамики водных потоков</kwd><kwd>горные работы</kwd><kwd>воды</kwd></kwd-group><kwd-group xml:lang="en"><kwd>surface water pollution</kwd><kwd>environment</kwd><kwd>flow dynamics computation</kwd><kwd>mining</kwd><kwd>water</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">Lazar M., Dumitrescu I., Anthropic impact on the environment, Universitas Publishing House, Romania, 2006.</mixed-citation><mixed-citation xml:lang="en">Lazar M., Dumitrescu I., Anthropic impact on the environment, Universitas Publishing House, Romania, 2006.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Lazar M., The rehabilitation of the degraded lands, Universitas Publishing House, Romania, 2010.</mixed-citation><mixed-citation xml:lang="en">Lazar M., The rehabilitation of the degraded lands, Universitas Publishing House, Romania, 2010.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Mitroiu C., Marin., Ingineria Raurilor - Regularizareaalbrilorraurilorsiindiguiri, Bren Publishing House, Romania, 1999.</mixed-citation><mixed-citation xml:lang="en">Mitroiu C., Marin., Ingineria Raurilor - Regularizareaalbrilorraurilorsiindiguiri, Bren Publishing House, Romania, 1999.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Rotunjanu I., Lazar M. 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