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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Engineering Research</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Engineering Research</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Инженерные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-8143</issn><issn publication-format="electronic">2312-8151</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">21426</article-id><article-id pub-id-type="doi">10.22363/2312-8143-2019-20-1-66-78</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Earth science</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Науки о земле</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">Application of remote sensing for monitoring of flood areas</article-title><trans-title-group xml:lang="ru"><trans-title>Применение дистанционного зондирования для мониторинга зон затопления</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Suárez Kozov</surname><given-names>N.</given-names></name><name xml:lang="ru"><surname>Суарес Козов</surname><given-names>Николай</given-names></name></name-alternatives><bio xml:lang="en"><p>Master student of Construction Department, Academy of Engineering</p></bio><bio xml:lang="ru"><p>Магистрант департамента строительства, Инженерная академия</p></bio><email>nikolaysuarez@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Trujillo Osorio</surname><given-names>D.</given-names></name><name xml:lang="ru"><surname>Трухильо Осорио</surname><given-names>Давид</given-names></name></name-alternatives><bio xml:lang="en"><p>Magister of Department of Construction</p></bio><bio xml:lang="ru"><p>Магистрант департамента строительства</p></bio><email>nikolaysuarez@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Giraldo Osorio</surname><given-names>J.</given-names></name><name xml:lang="ru"><surname>Хиральдо Осорио</surname><given-names>Хуан</given-names></name></name-alternatives><bio xml:lang="en"><p>Associate Professor of Department of Construction, Polytechnical University of Cartagena, PhD in Water Resources Management</p></bio><bio xml:lang="ru"><p>Доцент департамента строительства, Политехнический университет Картахены, кандидат технических наук по управлению водными ресурсами</p></bio><email>nikolaysuarez@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Рeoples’ Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pontificia Universidad Javeriana</institution></aff><aff><institution xml:lang="ru">Папский Ксаверианский университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2019</year></pub-date><volume>20</volume><issue>1</issue><issue-title xml:lang="en">VOL 20, NO1 (2019)</issue-title><issue-title xml:lang="ru">ТОМ 20, №1 (2019)</issue-title><fpage>66</fpage><lpage>78</lpage><history><date date-type="received" iso-8601-date="2019-07-08"><day>08</day><month>07</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Suárez Kozov N., Trujillo Osorio D., Giraldo Osorio J.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Суарес Козов Н., Трухильо Осорио Д., Хиральдо Осорио Х.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Suárez Kozov N., Trujillo Osorio D., Giraldo Osorio J.</copyright-holder><copyright-holder xml:lang="ru">Суарес Козов Н., Трухильо Осорио Д., Хиральдо Осорио Х.</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/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/engineering-researches/article/view/21426">https://journals.rudn.ru/engineering-researches/article/view/21426</self-uri><abstract xml:lang="en"><p>Traditional measurement techniques “in situ” sometimes fail to magnify the spatial distribution of floods. For these cases, the remote sensors provide methodologies of very low economic cost and high reliability when mapping flooded areas and quantifying the damages. Due to the dynamic nature of these phenomena, it is necessary to use satellite images of high temporal resolution, however this type of images usually have a low spatial resolution. In relation to this problem, traditional classification techniques are not reliable enough for flood delineation and monitoring since they use “hard methods” of classification, where the coarse pixel is assigned a single type of coverage. On the other hand, “smoothed methods” have the ability to assign different kinds of coverage to the interior of the thick pixel. The present investigation makes the application of a sub-pixel analysis methodology (sub-pixel analysis - SA) for the monitoring of flooded areas. The improvement of the delimitation is achieved with the use of topographic attributes provided by a digital terrain model (DTM). The methodology was applied to the monitoring in the Great Depression Momposina, specifically to delineate the swamp of Zapatosa.</p></abstract><trans-abstract xml:lang="ru"><p>Традиционные методы измерения площадей затопления «на месте» иногда приводят к значительным ошибкам или затруднениям, особенно когда площади затопления увеличиваются. В настоящее время многие методики определения площадей затопления земель паводковыми водами с использованием аэрокосмической фотосъемки характеризуются относительной низкой стоимость при высокой достоверности данных. Динамическая природа паводкового затопления территорий обусловливает необходимость использования спутниковых изображений высокого разрешения с учетом временного фактора. Однако такие изображения, как правило, имеют низкое пространственное разрешение. В связи с этим традиционные методы классификации не являются достаточно надежными для очерчивания и мониторинга наводнений, так как используют «жесткие методы» классификации, присваивая уникальный тип покрытия большему пикселю. Кроме того, «сглаженные методы» имеют возможность назначать различные типы покрытий внутри толстого пикселя. Настоящее исследование посвящено применению методологии анализа субпикселей для мониторинга площадей во время наводнения. Улучшение делимитации достигается использованием топографических атрибутов, предоставляемых цифровой моделью местности. Эта методология была применена для мониторинга в Великой впадине Момпозина, в частности для того, чтобы очертить болото Сапатоза. Полученные результаты могут быть использованы для прогнозирования сезонных паводковых подтоплений территорий в Российской Федерации, а также в других странах, для которых характерны сезонные колебания уровня поверхностных вод.</p></trans-abstract><kwd-group xml:lang="en"><kwd>remote sensing</kwd><kwd>subpixel flood areas</kwd><kwd>subpixels</kwd><kwd>resolution</kwd><kwd>coverage</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>дистанционное зондирование</kwd><kwd>субпиксели</kwd><kwd>затопленные районы</kwd><kwd>разрешение</kwd><kwd>покрытие</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Rodriguez Chavez OE, Arredodndo Bautista HA. Manual para el manejo y procesamiento de imágenes satelitales obtenidas del sensor remoto MODIS de la NASA aplicado en estudios de ingenieria civil [tesis]. Bogotá; 2005. 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