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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">10.15356/0435-4281-2015-4-3-20</article-id><article-id custom-type="elpub" pub-id-type="custom">geomorf-744</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>Общетеоретические статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>ОСНОВНЫЕ ЗАКОНОМЕРНОСТИ СООТНОШЕНИЯ РУСЛОВОЙ И БАССЕЙНОВОЙ СОСТАВЛЯЮЩИХ ЭРОЗИИ И СТОКА ВЗВЕШЕННЫХ НАНОСОВ В РЕЧНЫХ БАССЕЙНАХ СЕВЕРНОЙ ЕВРАЗИИ</article-title><trans-title-group xml:lang="en"><trans-title>THE MAIN REGULARITIES OF THE RATIO BETWEEN RIVERBED AND BASIN COMPONENTS OF EROSION AND SUSPENDED SEDIMENT FLUX IN THE NORTHERN EURASIA’S RIVER BASINS</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>Гусаров</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusarov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">avgusarov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский (Приволжский) федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan (Volga Region) Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>29</day><month>10</month><year>2015</year></pub-date><volume>0</volume><issue>4</issue><issue-title>Геоморфология</issue-title><fpage>3</fpage><lpage>20</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гусаров А.В., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Гусаров А.В.</copyright-holder><copyright-holder xml:lang="en">Gusarov A.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/744">https://geomorphology.igras.ru/jour/article/view/744</self-uri><abstract><p>Сток взвешенных наносов рек – один из объективных и достаточно точных показателей активности эрозии в границах их водосборов [1–5 и др.], несмотря на то, что в ряде регионов планеты доля влекомого компонента в общем речном стоке наносов (как интегральной характеристики транзитной механической денудации в бассейнах) может быть весьма существенной [6, 7 и др.] и оценки суммарной эрозионно-денудационной активности только лишь по стоку взвешенных наносов здесь, в этой связи, допускают ощутимые погрешности. Наряду с определением общей интенсивности эрозии в речных бассейнах взвешенные наносы пригодны и для расчета ее структуры – выделение русловой и бассейновой (почвенно-овражная эрозия) составляющих, и в ряду альтернативных подходов к оценке эрозионной структуры в речных бассейнах применение взвешенных наносов при региональных и глобальных исследованиях более предпочтительно по целому ряду причин [<xref ref-type="bibr" rid="cit8">8</xref>].</p><p>В настоящей работе изложены лишь основные пространственные закономерности соотношения русловой и бассейновой составляющих эрозионной активности в речных водосборах на примере столь крупного региона планеты как Северная Евразия.</p><p><ext-link xlink:href="https://www.elibrary.ru/item.asp?id=25727444" ext-link-type="uri">статья в библиотеке elibrary</ext-link></p></abstract><trans-abstract xml:lang="en"><p>Suspended sediment flux is one of the objective and sufficiently accurate measures of the erosion activity in basins. Using the database for mean monthly values of water and suspended sediments runoff created for 460 rivers of the territory of the former USSR, the ratio of channel and basin components of erosion was analyzed. For this purpose the author proposed the special hydrological method (published early). For all analyzed river basins the share of riverbed erosion (δr) calculated by suspended sediment fluxes doesn’t exceed 15%. It amounts to 10.4±1.5% for the plain (lowland) rivers, to 4.9±0.9% for the low-altitude mountain rivers, and to 4.0±0.8% for the middle-altitude mountain rivers. The average δr for the whole Northern Eurasia is 7.2±0.8%.</p><p>The ratio of channel and basin (δb) components depends distinctly on the landscape-climatic conditions, especially on latitudinal zoning. Thus, within the plains of Northern Eurasia the biggest δr occurs in the zones of tundra, taiga and mixed forests – more than 15–16% (15.0±9.6% in the tundra zone, 16.6±3.1% in the zone of taiga and mixed forests). In arid zones this value on the average does not exceed 5% (4.5±1.3 % in the steppes, 0.8% in the semi-deserts). Intermediate areas have a share of channel products of 5 to 10% (8.9±2.0% in the zone of broad-leaf forests, 5.2±1.6% in the forest-steppe zone). The same trend is observed in the low mountains but less distinctly than in the plains. There is a hyperbolic relationship between a total suspended sediment flux and its riverbed component. This dependence is clearly pronounced in the plains of the Northern Eurasia, but diminishes with increasing elevation of river basins. It’s shown also that the lithological factor (surface rocks’ composition) doesn’t play a significant role in the spatial variability of the δb/δr ratio.</p></trans-abstract><kwd-group xml:lang="en"><kwd>erosion</kwd><kwd>suspended sediment flux</kwd><kwd>river</kwd><kwd>riverbed</kwd><kwd>riverbed erosion</kwd><kwd>river basin</kwd><kwd>structure of erosion</kwd><kwd>Northern Eurasia</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">РФФИ</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">Дедков А.П., Мозжерин В.И. Эрозия и сток наносов на Земле. Казань: Изд-во Казан. ун-та, 1984. 264 с.</mixed-citation><mixed-citation xml:lang="en">Dedkov A.P., Mozzherin V.I. Eroziya i stok nanosov na Zemle (Erosion and Earth's sediment run-off). 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