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Radiocarbon Dating of Holocene Sediments: Flood Events and Evolution of the Labe (Elbe) River in Central Bohemia (Czech Republic)

Published online by Cambridge University Press:  18 July 2016

Pavel Jílek ,
Jaroslava Melková ,
Eliška Růžičková ,
Jan Šilar  and
Antonín Zeman
Pavel Jílek
Affiliation:
Department of Hydrogeology and Engineering Geology, Faculty of Science, Charles University, Albertov 6, 128 43 Praha 2, Czech Republic
Jaroslava Melková
Affiliation:
Department of Hydrogeology and Engineering Geology, Faculty of Science, Charles University, Albertov 6, 128 43 Praha 2, Czech Republic
Eliška Růžičková
Affiliation:
Geological Institute of the Academy of Sciences of the Czech Republic, Rozvojová 135, 165 00 Praha 6, Czech Republic
Jan Šilar
Affiliation:
Department of Hydrogeology and Engineering Geology, Faculty of Science, Charles University, Albertov 6, 128 43 Praha 2, Czech Republic
Antonín Zeman
Affiliation:
Geological Institute of the Academy of Sciences of the Czech Republic, Rozvojová 135, 165 00 Praha 6, Czech Republic
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Abstract

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We studied the structure and development of the Holocene floodplain of the Labe (Elbe) River by radiocarbon dating sections of the upper and middle courses of the river. We focused on geomorphological and sedimentological conditions, mineralogy and the chemical composition of sediments. We established the stratigraphy of the Holocene deposits of the floodplain. The results of our investigation of fluvial sediments imply that several abrupt changes in temperature and precipitation occurred during the Holocene. These changes led to intervals of hydrological disequilibrium, which caused the formation of two Holocene terraces and a contemporaneous floodplain. The lower terrace was flooded and covered with sediments upon which the recent floodplain formed. During the Holocene, there were four periods during which large tree trunks were deposited in the fluvial sediments, indicating periods of extensive flooding. The supposition that these events were of more global scale is supported by the results of investigations made on the Holocene floodplains of other regions.

Type
I. 14C in the Reconstruction of Past Environments
Information
Radiocarbon , Volume 37 , Issue 2 , 1995 , pp. 131 - 137
Copyright
Copyright © the Department of Geosciences, The University of Arizona 

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