| 22 | C o Include/exclude Implicit vertical advection code | C o Include/exclude Implicit vertical advection code | 
| 23 | #define INCLUDE_IMPLVERTADV_CODE | #define INCLUDE_IMPLVERTADV_CODE | 
| 24 |  |  | 
| 25 |  | C o Include/exclude AdamsBashforth-3rd-Order code | 
| 26 |  | #undef ALLOW_ADAMSBASHFORTH_3 | 
| 27 |  |  | 
| 28 | C o Include/exclude nonHydrostatic code | C o Include/exclude nonHydrostatic code | 
| 29 | #undef ALLOW_NONHYDROSTATIC | #undef ALLOW_NONHYDROSTATIC | 
| 30 |  |  | 
| 39 | C   this implies that surface thickness (hFactors) vary with time | C   this implies that surface thickness (hFactors) vary with time | 
| 40 | #undef NONLIN_FRSURF | #undef NONLIN_FRSURF | 
| 41 |  |  | 
| 42 |  | C o ALLOW isotropic scaling of harmonic and bi-harmonic terms when | 
| 43 |  | C   using an locally isotropic spherical grid with (dlambda) x (dphi*cos(phi)) | 
| 44 |  | C *only for use on a lat-lon grid* | 
| 45 |  | C   Setting this flag here affects both momentum and tracer equation unless | 
| 46 |  | C   it is set/unset again in other header fields (e.g., GAD_OPTIONS.h). | 
| 47 |  | C   The definition of the flag is commented to avoid interference with | 
| 48 |  | C   such other header files. | 
| 49 |  | C   The preferred method is specifying a value for viscAhGrid or viscA4Grid | 
| 50 |  | C   in data which is then automatically scaled by the grid size; | 
| 51 |  | C   the old method of specifying viscAh/viscA4 and this flag is provided | 
| 52 |  | C   for completeness only (and for use with the adjoint). | 
| 53 |  | C#define ISOTROPIC_COS_SCALING | 
| 54 |  |  | 
| 55 |  | C o This flag selects the form of COSINE(lat) scaling of bi-harmonic term. | 
| 56 |  | C *only for use on a lat-lon grid* | 
| 57 |  | C   Has no effect if ISOTROPIC_COS_SCALING is undefined. | 
| 58 |  | C   Has no effect on vector invariant momentum equations. | 
| 59 |  | C   Setting this flag here affects both momentum and tracer equation unless | 
| 60 |  | C   it is set/unset again in other header fields (e.g., GAD_OPTIONS.h). | 
| 61 |  | C   The definition of the flag is commented to avoid interference with | 
| 62 |  | C   such other header files. | 
| 63 |  | C#define COSINEMETH_III | 
| 64 |  |  | 
| 65 | C o Use "OLD" UV discretisation near boundaries (*not* recommended) | C o Use "OLD" UV discretisation near boundaries (*not* recommended) | 
| 66 | C   Note - only works with  #undef NO_SLIP_LATERAL  in calc_mom_rhs.F | C   Note - only works with  #undef NO_SLIP_LATERAL  in calc_mom_rhs.F | 
| 67 | C          because the old code did not have no-slip BCs | C          because the old code did not have no-slip BCs |