1 | MODULE ldfdyn_oce |
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2 | !!====================================================================== |
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3 | !! *** MODULE ldfdyn_oce *** |
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4 | !! Ocean physics: lateral momentum mixing coefficient defined in memory |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2002-11 (G. Madec) F90: Free form and module |
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7 | !!---------------------------------------------------------------------- |
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8 | USE par_oce ! ocean parameters |
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9 | USE in_out_manager ! I/O manager |
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10 | USE lib_mpp ! MPP library |
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11 | |
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12 | USE yomhook, ONLY: lhook, dr_hook |
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13 | USE parkind1, ONLY: jprb, jpim |
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14 | |
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15 | IMPLICIT NONE |
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16 | PUBLIC |
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17 | |
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18 | ! !!* Namelist namdyn_ldf : lateral mixing * |
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19 | LOGICAL , PUBLIC :: ln_dynldf_lap !: laplacian operator |
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20 | LOGICAL , PUBLIC :: ln_dynldf_bilap !: bilaplacian operator |
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21 | LOGICAL , PUBLIC :: ln_dynldf_level !: iso-level direction |
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22 | LOGICAL , PUBLIC :: ln_dynldf_hor !: horizontal (geopotential) direction |
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23 | LOGICAL , PUBLIC :: ln_dynldf_iso !: iso-neutral direction |
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24 | REAL(wp), PUBLIC :: rn_ahm_0_lap !: lateral laplacian eddy viscosity (m2/s) |
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25 | REAL(wp), PUBLIC :: rn_ahmb_0 !: lateral laplacian background eddy viscosity (m2/s) |
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26 | REAL(wp), PUBLIC :: rn_ahm_0_blp !: lateral bilaplacian eddy viscosity (m4/s) |
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27 | REAL(wp), PUBLIC :: ahm0, ahmb0, ahm0_blp !: OLD namelist names |
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28 | REAL(wp), PUBLIC :: rn_cmsmag_1 !: constant in laplacian Smagorinsky viscosity |
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29 | REAL(wp), PUBLIC :: rn_cmsmag_2 !: constant in bilaplacian Smagorinsky viscosity |
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30 | REAL(wp), PUBLIC :: rn_cmsh !: 1 or 0 , if 0 -use only shear for Smagorinsky viscosity |
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31 | REAL(wp), PUBLIC :: rn_ahm_m_blp !: upper limit for bilap abs(ahm) < min( dx^4/128rdt, rn_ahm_m_blp) |
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32 | REAL(wp), PUBLIC :: rn_ahm_m_lap !: upper limit for lap ahm < min(dx^2/16rdt, rn_ahm_m_lap) |
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33 | |
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34 | INTEGER , PUBLIC :: nkahm_smag = 0 !: |
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35 | |
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36 | ! !!! eddy coeff. at U-,V-,W-pts [m2/s] |
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37 | #if defined key_dynldf_c3d |
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38 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ahm1, ahm2, ahm3, ahm4 !: ** 3D coefficients ** |
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39 | #elif defined key_dynldf_c2d |
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40 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ahm1, ahm2, ahm3, ahm4 !: ** 2D coefficients ** |
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41 | #elif defined key_dynldf_c1d |
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42 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: ahm1, ahm2, ahm3, ahm4 !: ** 2D coefficients ** |
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43 | #else |
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44 | REAL(wp), PUBLIC :: ahm1, ahm2, ahm3, ahm4 !: ** 0D coefficients ** |
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45 | #endif |
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46 | |
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47 | !!---------------------------------------------------------------------- |
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48 | !! NEMO/OPA 4.0 , NEMO Consortium (2011) |
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49 | !! $Id$ |
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50 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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51 | !!---------------------------------------------------------------------- |
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52 | CONTAINS |
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53 | |
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54 | INTEGER FUNCTION ldfdyn_oce_alloc() |
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55 | INTEGER(KIND=jpim), PARAMETER :: zhook_in = 0 |
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56 | INTEGER(KIND=jpim), PARAMETER :: zhook_out = 1 |
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57 | REAL(KIND=jprb) :: zhook_handle |
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58 | |
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59 | CHARACTER(LEN=*), PARAMETER :: RoutineName='LDFDYN_OCE_ALLOC' |
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60 | |
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61 | IF (lhook) CALL dr_hook(RoutineName,zhook_in,zhook_handle) |
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62 | |
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63 | !!---------------------------------------------------------------------- |
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64 | !! *** FUNCTION ldfdyn_oce_alloc *** |
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65 | !!---------------------------------------------------------------------- |
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66 | ldfdyn_oce_alloc = 0 |
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67 | #if defined key_dynldf_c3d |
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68 | ALLOCATE( ahm1(jpi,jpj,jpk) , ahm2(jpi,jpj,jpk) , ahm3(jpi,jpj,jpk) , ahm4(jpi,jpj,jpk) , STAT=ldfdyn_oce_alloc ) |
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69 | #elif defined key_dynldf_c2d |
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70 | ALLOCATE( ahm1(jpi,jpj ) , ahm2(jpi,jpj ) , ahm3(jpi,jpj ) , ahm4(jpi,jpj ) , STAT=ldfdyn_oce_alloc ) |
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71 | #elif defined key_dynldf_c1d |
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72 | ALLOCATE( ahm1( jpk) , ahm2( jpk) , ahm3( jpk) , ahm4( jpk) , STAT=ldfdyn_oce_alloc ) |
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73 | #endif |
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74 | IF( ldfdyn_oce_alloc /= 0 ) CALL ctl_warn('ldfdyn_oce_alloc: failed to allocate arrays') |
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75 | ! |
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76 | IF (lhook) CALL dr_hook(RoutineName,zhook_out,zhook_handle) |
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77 | END FUNCTION ldfdyn_oce_alloc |
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78 | |
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79 | !!====================================================================== |
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80 | END MODULE ldfdyn_oce |
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