To do this you can use a nearest neighbour fill in the vertical direction to project the bottom temperatures to the lowest level of your model. You then just need to contour the lowest level.
yes? sho data
currently SET data sets:
1> ./ocean_temp_2001_01.nc (default)
name title I J K L
temp Potential temperature 1:261 1:141 1:51 1:1
let t_z_fill= temp[k=1:`kl`@fnr]
On 16/04/18 11:54, Changshui Xia wrote: