polaris.tasks.ocean.analysis.climatology_maps.ClimatologyMaps.setup

ClimatologyMaps.setup()

Link the mesh the maps are plotted on and the vertical coordinate, and the first monthly mean if this group maps heat content

The vertical coordinate supplies the topmost and bottommost valid layer of each column, which the climatology does not carry. The elevation of the layers themselves does come from the climatology, since it is the climatological mean of a geometry that moves.