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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">geomorf</journal-id><journal-title-group><journal-title xml:lang="ru">Геоморфология и палеогеография</journal-title><trans-title-group xml:lang="en"><trans-title>Geomorfologiya i Paleogeografiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2949-1789</issn><issn pub-type="epub">2949-1797</issn><publisher><publisher-name></publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31857/S0435428121040039</article-id><article-id custom-type="elpub" pub-id-type="custom">geomorf-1572</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>Научные сообщения</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Short communications</subject></subj-group></article-categories><title-group><article-title>Геоморфология долины Верхней Волги: история изучения и состояние проблемы (ст. 1. Валдайская возвышенность)</article-title><trans-title-group xml:lang="en"><trans-title>Geomorphology of the upper Volga River valley: study history and state of the problem (Paper 1. The Valdai Hills)</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>Баранов</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Baranov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">dm_baranov@igras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт географии РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of geography RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>02</month><year>2022</year></pub-date><volume>52</volume><issue>4</issue><issue-title>Геоморфология</issue-title><elocation-id>3–14</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Баранов Д.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Баранов Д.В.</copyright-holder><copyright-holder xml:lang="en">Baranov D.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://geomorphology.igras.ru/jour/article/view/1572">https://geomorphology.igras.ru/jour/article/view/1572</self-uri><abstract><p>В течение ХХ – начала ХХI веков исследователями собрано значительное количество материалов по геоморфологическому строению р. Волги в пределах Валдайской возвышенности, который, однако, находится в разрозненном виде, а обобщающие работы единичны и имеют крайне обзорный характер. Работа с опубликованными и фондовыми литературными источниками позволила выделить три этапа получения геоморфологических сведений о долине. В ходе довоенного этапа пионерных геологических и геоморфологических съемок получены первые сведения о строении долины, определены ее основные особенности. Второй этап (послевоенные годы) – время крупномасштабных геологических съемок и геолого-геоморфологического картографирования, которые способствовали получению большого количества фактического материала. Третий этап (вторая половина ХХ – начала ХХI вв.) – время обобщений накопленных знаний и формулирования гипотез об истории развития долины. Установлено, что до настоящего времени нет четкого понимания как о количестве террас на рассматриваемом участке долины р. Волги, так и об их высотных уровнях и пространственном распространении. Тем не менее значительное количество доступного первичного фактического материала позволяет непротиворечиво охарактеризовать морфологию долины р. Волги в пределах Валдайской возвышенности. Не подлежит сомнению выделение двух морфологически разных участков долины в пределах Валдайской возвышенности – до окрестностей пгт Селижарово и ниже по течению. На первом участке долина слабо проработана. В строении второго участка выражены пойма и лестница из трех надпойменных террас. Пойма и низкая (первая) надпойменная терраса р. Волги имеют на всем протяжении рассматриваемого участка высоты 2.5–3.5 м и 5–7 м соответственно. Более высокие террасы (вторая и третья) присутствуют фрагментарно на высотах порядка 9–13 м и 15–17 м. Поверхности выше 17 м над урезом, рассматриваемые рядом исследователей в качестве надпойменных террас, к таковым относить ошибочно. Отсутствие четкого представления о возрасте террасовых образований (прежде всего высоких террас) привело к различным взглядам на время образования долины Верхней Волги. Высказаны предположения о позднемосковском (московско-валдайском), ранневалдайском (“калининском”) и поздневалдайском возрасте долины Верхней Волги. Назрел переход к следующему этапу в исследовании долины Верхней Волги: реконструкции истории развития долины с привлечением данных численного датирования.</p></abstract><trans-abstract xml:lang="en"><p>During the XX – early XXIth century, researchers have collected a significant amount of materials on the geomorphological structure of the Volga River within the Valdai Upland. These materials are scattered, and generalizing works are sporadic and have an extremely overview character. Review of published and unpublished data made it possible to distinguish three stages of obtaining geomorphological information about the valley. During the pre-war stage of pioneering geological and geomorphological surveys, researchers received the first information about the valley structure and determined its main features. The second stage (post-war years) was the time of large-scale geological surveys and geological and geomorphological mapping. During this time a large amount of factual material was obtained. The third stage (end of the XX – beginning of the XXI centuries) is the time of generalization of the accumulated knowledge and the formulation of hypotheses about the river valley evolution. We found that until now there is no clear understanding of both, the number of terraces in the considered section of the Volga River valley, their altitude levels and spatial distribution. At the same time, a significant amount of available primary factual material makes it possible to consistently characterize the morphology of the Volga river valley within the Valdai Upland. We confirm the identification of two morphologically different parts of the valley within the Valdai Upland, upstream and downstream of town Selizharovo. The upstream section is characterized by a poorly developed valley, with shallow depth and a limited set of river terraces. The morpho-structure of the downstream section includes a floodplain and a staircase of three river terraces. The floodplain and the low (first) terrace of the Volga River are present throughout the area at 2.5–3.5 m and 5–7 m heights, respectively. Higher terraces (second and third) are expressed fragmentarily at heights of 10–12 m and 15–17 m. We believe that the surfaces higher than 17 m above the river’s edge are classified as river terraces by error. The lack of a clear understanding of the time of terrace formations (primarily high terraces) led to different views on the formation time of the Upper Volga valley. Assumptions are made about the Late Moscow, Early Valdai and Late Valdai age of the Upper Volga valley. It is about time to date river terraces of the Upper Volga valley and mov to the nest stage; reconstructions of the river valley evolution, based on numerical dating.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Волга</kwd><kwd>пойма</kwd><kwd>надпойменная терраса</kwd><kwd>речная долина</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Volga</kwd><kwd>floodplain</kwd><kwd>river terrace</kwd><kwd>river valley</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования проводятся при финансовой поддержке Российского научного фонда (проект № 17-17- 01289). Автор признателен рецензентам и редакции журнала за ценные замечания и советы, способствовавшие улучшению статьи.</funding-statement><funding-statement xml:lang="en">The research was supported by the Russian Science Foundation (project No. 17-17-01289). 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