Holocene inset fills of the Odra river in the Racibórz basin
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Date
2010
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Publisher
Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza
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Abstract
Geomorphic and lithological research conducted in the Odra River valley between Koźle and Krapkowice
led to recognition of the postglacial development of the upper Odra River valley floor, for the first time, on
the basis of a larger number of absolute datings. The formation of the inset alluvial fills by a meandering river
started during the Early Holocene at the latest; however, the absence of a clearly developed system of large Late
Vistulian palaeomeanders is notable within the analysed reach of the valley. Mid- and Late Holocene alluvial
series were deposited by a river that exhibited a tendency to decrease in channel sizes. Nevertheless, large meanders
were formed again in historical times. Oxbow fills in the Odra River valley are dominated by mineralogenic
deposits. Their sedimentation can be correlated with the accretion of overbank and colluvial sheets in the valley
floor. In the light of radiocarbon chronology, a relationship between Neolithic and subsequent phases of settlement
in the catchment and the intensive deposition of these sediments cannot be ruled out.
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Keywords
valley evolution, fluvial processes, alluviation, palaeochannels, Odra River
Citation
Quaestiones Geographicae vol. 29 (3), 2010, pp. 85-93
ISBN
978-83-62662-62-3