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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">scienceit</journal-id><journal-title-group><journal-title xml:lang="ru">Наука. Инновации. Технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Science. Innovations. Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2308-4758</issn><publisher><publisher-name>North-Caucasus Federal University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37493/2308-4758.2023.3.4</article-id><article-id custom-type="elpub" pub-id-type="custom">scienceit-629</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>НАУКИ О ЗЕМЛЕ И ОКРУЖАЮЩЕЙ СРЕДЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>EARTH SCIENCES AND THE ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Сравнение цифровых моделей рельефа</article-title><trans-title-group xml:lang="en"><trans-title>Comparison оf Digital Relief Models</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>Антонов</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антонов Сергей Анатольевич, кандидат географических наук, зав. лабораторией ГИС-технологий</p><p>г. Михайловск</p></bio><bio xml:lang="en"><p>Sergey A. Antonov, Candidate of Geographical Sciences, Head of the GIS Technology Laboratory</p><p>Mikhailovsk</p></bio><email xlink:type="simple">santosb@mail.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>Перегудов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Peregudov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Перегудов Сергей Владимирович, аспирант, младший научный сотрудник лаборатории ГИС-технологий</p><p>г. Михайловск</p></bio><bio xml:lang="en"><p>Sergey V. Peregudov, Graduate Student, Junior Researcher at the GIS Technology Laboratory</p><p>Mikhailovsk</p></bio><email xlink:type="simple">serjoSW@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Кавказский федеральный научный аграрный центр</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Budgetary Scientific Institution "North Caucasian Federal Scientific Agrarian Center"</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>21</day><month>09</month><year>2023</year></pub-date><volume>0</volume><issue>3</issue><fpage>65</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Антонов С.А., Перегудов С.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Антонов С.А., Перегудов С.В.</copyright-holder><copyright-holder xml:lang="en">Antonov S.A., Peregudov S.V.</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://scienceit.elpub.ru/jour/article/view/629">https://scienceit.elpub.ru/jour/article/view/629</self-uri><abstract><p>Введение. ГИС-технологии позволяют анализировать большие массивы пространственных данных, к которым относятся и цифровые модели рельефа, полученные на основе материалов дистанционного зондирования Земли. Они представляют собой важный источник данных для расчета и картографирования различных явлений и процессов, которые находятся в тесной взаимосвязи с рельефом и охватывают обширные территории. В статье представлены результаты оценки точности трех наиболее популярных глобальных цифровых моделей рельефа: ALOS World 3D, SRTM, ASTER.Материалы и методы исследований. Оценка цифровых моделей рельефа проводилась на территории Буденновского городского округа Ставропольского края. Анализ ошибок морфометрических показателей был выполнен на основе сравнения исследуемых цифровых моделей рельефа и данными Государственного научно-внедренческого центра геоинформационных систем и технологий (ГосГисЦентр), которые были представлены в виде топографических карт. Анализ результатов исследования проводился на основе математико-статистических методов. Суммарная выборка сравниваемых точек составила 5322.Результаты исследований и их обсуждение. На основании полученного массива данных каждой из цифровых моделей местности проведен сравнительный анализ выборок. В результате определено, что наименьшую точность показала модель ASTER. Данные проекта SRTM показали незначительные отклонения. Наибольшей точностью обладает цифровая модель рельефа, построенная на базе данных ALOS W3D.Выводы. Несмотря на то, что рассматриваемые цифровые модели местности имеют схожие характеристики, были обнаружены отличительные особенности каждой из них. Полученные данные позволят упростить выбор наиболее подходящей цифровой модели местности с учетом требований, необходимых для выполнения различных задач, а также повысить точность получаемых результатов.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. GIS technologies make it possible to analyze large amounts of spatial data, which include digital elevation models derived from remote sensing data. They are an important source of data for calculating and mapping various phenomena and processes that are closely interrelated with the relief, and cover vast areas. The article presents the results of the accuracy assessment of the three most popular global digital elevation models: ALOS World 3D, SRTM, and ASTER.Materials and research methods. The evaluation of digital elevation models was carried out on the territory of Budennovsky urban district of Stavropol Krai. Error analysis of morphometric indicators was performed based on the comparison of the studied digital elevation models and the data of the State Research and Development Center of Geoformation Systems and Technologies – GosGisCenter, which were presented in the form of topographic maps. The analysis of the results of the study was carried out based on mathematical and statistical methods. The total sample of compared points equals 5322.Research results and their discussion. Based on the obtained dataset of each of the digital terrain models, a comparative analysis of the samples was carried out. As a result, it was determined that the ASTER model showed the lowest accuracy. SRTM project data showed insignificant deviations. The digital terrain model based on ALOS W3D data has the highest accuracy.Conclusions. Despite its popularity and at first glance similarity of the data, a number of features of each of the digital terrain models were identified. The data obtained will simplify the selection of a digital terrain model, taking into account the requirements needed to perform various tasks, as well as improve the accuracy of the results obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цифровая модель местности</kwd><kwd>ЦММ</kwd><kwd>точность ЦМР</kwd><kwd>цифровая модель рельефа</kwd><kwd>ЦМР</kwd></kwd-group><kwd-group xml:lang="en"><kwd>digital elevation model</kwd><kwd>DEM</kwd><kwd>DTM accuracy</kwd><kwd>digital terrain model</kwd><kwd>DTM</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">Антонов С.А., Перегудов С.В. Геоинформационный мониторинг пашни засушливой зоны Ставропольского края // Инновационные научные разработки – развитию агропромышленного комплекса: материалы юбилейной международной научно-практической конф. ФГБНУ «Северо-Кавказский ФНАЦ». Ставрополь, 2022. № 6. 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