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Fig 1.
A – Location of study area on the map of Poland; B – DEM with fluvial terraces; C – Detail DEM of the study area with location of studied profiles; D – Generalised geological map (after – Szałamacha 1999), modified. E – Geological cross-section through the Prosna Valley. DEM, Digital Elevation Model.
Fig 2.
Morphology and morphometry of the great meander in the Rokutów site. Terminology of meandering elements after Ghinassi et al. (2014), modified.
Fig 3.
A – Profile ROK-I; B – Stratified sands in the ROK-I profile; C – Profile ROK-II; D – Fining-upward succession of the point bar with erosional channel in the central part; E – Lower part of the point-bar succession with tree trunks (yellow arrow) in the lower part of the point bar; F – Transition of upper part of the point bar (sands with ripple cross-lamination) into fine sediments of the floodplain; G – SSDs in the upper part of the point bar. SSDs, soft-sediment deformations.
Fig 4.
A,B – Profiles with results of grain-size analysis and interpretation of sedimentary processes and environments.
Fig 5.
Dose distributions for all tested samples.
Fig 6.
Synthesis of fluvial system changes of the lower Prosna River (this study, Poland), Warta River (Poland, Vandenberghe et al., 1994; Bohncke et al., 1995), Maas River (the Netherlands, Huisink 1997; Van Huissteden and Kasse 2001), Tisa River (Hungary, Kasse et al., 2010) and Eastern Germany (Kasse et al., 2003).
All important data for investigated luminescence samples: sample names, depth, radionuclid concentration, overdispersion parameter, dose rate, equivalent dose (CAM model) and final age.