Wrong 3D equations implemented in WAQTEL
As pointed out when validating the MICROPOL module in 3D by @zied.amama the 3D equations for advection-diffusion of tracers in WAQTEL are not the same as in 2D and has to be changed a little bit. Concerned modules: BIOMASS, EUTRO, O2.
Edited by Chi-Tuân Pham