Why do these irregularities appear in the trench?

croco tools (pre/post-processing)
, ,
1

Hello all. I’m checking the trench smoothing in a nested grid. I don’t know way I obtain, consistently at different latitudes and only in the nested grid, some irregularities in the trench as seen in the figure attached (croco_grd line). Do you know why this happens?, and how could I fix this problem? Thanks in advance.
irregularities_at_the_trench.png

2

Hi Eric,

Have you tried different values for

n_filter_deep_topo

n_filter_final

?