use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal one,  tempAdvScheme & saltAdvScheme) for implicit vertical advection.
use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal one,
 tempAdvScheme & saltAdvScheme) for implicit vertical advection.

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h