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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">geolmsu</journal-id><journal-title-group><journal-title xml:lang="ru">ВЕСТНИК МОСКОВСКОГО УНИВЕРСИТЕТА. СЕРИЯ 4. ГЕОЛОГИЯ</journal-title><trans-title-group xml:lang="en"><trans-title>Moscow University Bulletin. Series 4. Geology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0579-9406</issn><publisher><publisher-name>Издательский Дом МГУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55959/MSU0579-9406-4-2025-64-4-114-123</article-id><article-id custom-type="elpub" pub-id-type="custom">geolmsu-825</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Контрасты электрофизических свойств в песчано-глинистом разрезе и их отражение на радарограмме</article-title><trans-title-group xml:lang="en"><trans-title>The electrophysical properties contrasts in sand-clay  ground and GPR reflections</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>Тарасова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tarasova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Александровна Тарасова</p><p>Москва</p></bio><bio xml:lang="en"><p> Mariya A. Tarasova</p><p>Moscow</p></bio><email xlink:type="simple">tarasovama@my.msu.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>Бричева</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bricheva</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Сергеевна Бричева </p><p>Москва</p></bio><bio xml:lang="en"><p>Svetlana S. Bricheva</p><p> Moscow</p></bio><email xlink:type="simple">svebrich@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Владов</surname><given-names>М. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Vladov</surname><given-names>M. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Львович Владов</p><p>Москва</p></bio><bio xml:lang="en"><p>Mikhail L. Vladov</p><p>Moscow</p></bio><email xlink:type="simple">vladov_ml@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова; Институт Географии РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University; Institute of Geography of the RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>09</month><year>2025</year></pub-date><volume>64</volume><issue>4</issue><fpage>114</fpage><lpage>123</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тарасова М.А., Бричева С.С., Владов М.Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Тарасова М.А., Бричева С.С., Владов М.Л.</copyright-holder><copyright-holder xml:lang="en">Tarasova M.A., Bricheva S.S., Vladov M.L.</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://vestnik.geol.msu.ru/jour/article/view/825">https://vestnik.geol.msu.ru/jour/article/view/825</self-uri><abstract><p>В песчано-глинистом разрезе были обнаружены расхождения по глубине литологических границ с контрастами электромагнитных свойств отложений. Как следствие, на георадарных данных оси синфазности отраженных волн не привязываются по глубине с литологическими границами, что осложняет геологическую интерпретацию. Была решена прямая задача на основе модели, построенной по измеренным электромагнитным свойствам. Результаты моделирования позволили обоснованно соотнести отражения на георадарных данных с литологическими границами и объяснить их расхождения по глубине. Таким образом, было произведено уточнение геологической интерпретации георадарных данных.</p></abstract><trans-abstract xml:lang="en"><p>In sand-clay ground, the depth variations were established between lithological boundaries and the contrast of electromagnetic properties of the soil. As a result, GPR reflections diverge in depth from the lithological boundaries, complicating geological interpretation. The forward problem is solved using a model constructed from measured electromagnetic parameters. The modeling results made it possible to reasonably relate lithological boundaries to GPR reflections and to determine the cause of their depth variations. Consequently, the geological interpretation of GPR data is enhanced.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>георадар</kwd><kwd>песчано-глинистый разрез</kwd><kwd>рефлектометрия</kwd><kwd>электромагнитные свойства</kwd><kwd>полно волновое</kwd><kwd>лучевое моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>GPR</kwd><kwd>sand-clay ground</kwd><kwd>time-domain reflectometry</kwd><kwd>electrophysical property</kwd><kwd>full-waveform</kwd><kwd>raypath  modeling</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работы произведены за счет  гранта Российского научного фонда № 22 77-00049,  https://rscf.ru/project/22-77-00049/.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Владов М.Л., Судакова М.С. Георадиолокация. От физических основ до перспективных направлений: Учебное пособие. 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