Get the number of cells where the digital elevation model (DEM,
weber_2020_demelbe1d) is submerged at the FLYS3 water level
MQ computed with hyd1d::waterLevelFlys3() for the indexed hectometer
of the River Elbe floodplain sf.afe_csa.
Arguments
- x
must be a single
integerindexing one hectometer polygon ofsf.afe_csaalong the River Elbe.xmust be element ofseq(from = 1, to = length(sf.afe_csa), by = 1).
