geomorfГеоморфология и палеогеографияGeomorfologiya i Paleogeografiya2949-17892949-1797geomorf-2874Research ArticleНаучные сообщенияShort communicationsО роли механического и биохимического выветривания в формировании состава руслового аллювияOn the significance of mechiamic and biochemical weathering for the channel alluvium compositionДобровольскаяН. Г.DobrovolskayaN. G.ЛодинаР. В.LodinaR. V.ЧаловР. С.ChalovR. S.Московский государственный университет имени М.В.Ломоносова, Географический факультетРоссия19911912202201Геоморфология5964Copyright © Добровольская Н.Г., Лодина Р.В., Чалов Р.С., 20222022Добровольская Н.Г., Лодина Р.В., Чалов Р.С.Dobrovolskaya N.G., Lodina R.V., Chalov R.S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://geomorphology.igras.ru/jour/article/view/2874

The paper considers the causes responsible for the lack of gravel in the channel alluvium. Relation of mechanical (abrasion and crashing) to biochemical weathering in the process of bed load transport is discussed. Gravel particles appeared to be most prone to disintegration, microorganism’s activity being the leading agent in the process.

The paper considers the causes responsible for the lack of gravel in the channel alluvium. Relation of mechanical (abrasion and crashing) to biochemical weathering in the process of bed load transport is discussed. Gravel particles appeared to be most prone to disintegration, microorganism’s activity being the leading agent in the process.

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The authors declare that there are no conflicts of interest present.