Labile Components of Bottom Sediments in the Simmi River (Bolon State Nature Reserve)

The composition of bottom sediment in the estuarine part of the Simmi River, a small tributary of the Amur River (Bolon State Nature Reserve, Russian Far East), was studied using X-ray fluorescence, electron microscopy, sedimentation analysis, and laser diffractometry. It is established that the for...

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Veröffentlicht in:	Moscow University soil science bulletin 2020, Vol.75 (4-5), p.168-175
Hauptverfasser:	Kharitonova, G. V., Ostroukhov, A. V., Tyugai, Z. N., Krutikova, V. O.
Format:	Artikel
Sprache:	eng
Schlagworte:	Bottom sediments Clay Earth and Environmental Science Earth Sciences Electron microscopy Estuaries Fluorescence Fluvial sediments Genesis and Geography of Soils Gypsum Historical Geology Microcrystals Microorganisms Nature reserves Organic matter Paleontology River basins Rivers Sedimentation Sediments Suspended sediments Vivianite X ray fluorescence analysis X-ray fluorescence
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Zusammenfassung:	The composition of bottom sediment in the estuarine part of the Simmi River, a small tributary of the Amur River (Bolon State Nature Reserve, Russian Far East), was studied using X-ray fluorescence, electron microscopy, sedimentation analysis, and laser diffractometry. It is established that the formation of labile components in the bottom sediments (vivianite–clay microaggregates, gypsum microcrystals, and vaterite mesocrystals) is linked with effects of the pyrogenous factor in the Simmi River basin and the level regime of the main river. The formations are mobile due to their small size (
ISSN:	0147-6874 1934-7928
DOI:	10.3103/S0147687420040043