The figure below includes results from a simplified model of a floodplain deposition flume (Branß et al., 2018).[1]

The two figures below include an example of a more complicated cross section with depth-decay floodplain deposition and the calculation of bed change at a particular node).

[1] Also Branß, T., Dittrich, A., Gonzalez, N., (2018) “Reproducing natural levee formation in an experimental flume,” The International Conference On Fluvial Hydraulics (River Flow 2016).