1 | MODULE traldf |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE traldf *** |
---|
4 | !! Ocean Active tracers : lateral diffusive trends |
---|
5 | !!===================================================================== |
---|
6 | !! History : 9.0 ! 2005-11 (G. Madec) Original code |
---|
7 | !! NEMO 3.0 ! 2008-01 (C. Ethe, G. Madec) merge TRC-TRA |
---|
8 | !! 3.7 ! 2013-12 (G. Madec) remove the optional computation from T & S anomaly profiles and traldf_bilapg |
---|
9 | !! - ! 2013-12 (F. Lemarie, G. Madec) triad operator (Griffies) + Method of Stabilizing Correction |
---|
10 | !! - ! 2014-01 (G. Madec, S. Masson) restructuration/simplification of lateral diffusive operators |
---|
11 | !!---------------------------------------------------------------------- |
---|
12 | |
---|
13 | !!---------------------------------------------------------------------- |
---|
14 | !! tra_ldf : update the tracer trend with the lateral diffusion trend |
---|
15 | !! tra_ldf_init : initialization, namelist read, and parameters control |
---|
16 | !!---------------------------------------------------------------------- |
---|
17 | USE oce ! ocean dynamics and tracers |
---|
18 | USE dom_oce ! ocean space and time domain |
---|
19 | USE phycst ! physical constants |
---|
20 | USE ldftra ! lateral diffusion: eddy diffusivity & EIV coeff. |
---|
21 | USE ldfslp ! lateral diffusion: iso-neutral slope |
---|
22 | USE traldf_lap_blp ! lateral diffusion: laplacian iso-level operator (tra_ldf_lap/_blp routines) |
---|
23 | USE traldf_iso ! lateral diffusion: laplacian iso-neutral standard operator (tra_ldf_iso routine ) |
---|
24 | USE traldf_triad ! lateral diffusion: laplacian iso-neutral triad operator (tra_ldf_triad routine ) |
---|
25 | USE trd_oce ! trends: ocean variables |
---|
26 | USE trdtra ! ocean active tracers trends |
---|
27 | ! |
---|
28 | USE prtctl ! Print control |
---|
29 | USE in_out_manager ! I/O manager |
---|
30 | USE lib_mpp ! distribued memory computing library |
---|
31 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
---|
32 | USE timing ! Timing |
---|
33 | |
---|
34 | IMPLICIT NONE |
---|
35 | PRIVATE |
---|
36 | |
---|
37 | PUBLIC tra_ldf ! called by step.F90 |
---|
38 | PUBLIC tra_ldf_init ! called by nemogcm.F90 |
---|
39 | |
---|
40 | !!---------------------------------------------------------------------- |
---|
41 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
42 | !! $Id$ |
---|
43 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
44 | !!---------------------------------------------------------------------- |
---|
45 | CONTAINS |
---|
46 | |
---|
47 | SUBROUTINE tra_ldf(kt, Kbb, Kmm, pts, Krhs ) |
---|
48 | !!---------------------------------------------------------------------- |
---|
49 | !! *** ROUTINE tra_ldf *** |
---|
50 | !! |
---|
51 | !! ** Purpose : compute the lateral ocean tracer physics. |
---|
52 | !!---------------------------------------------------------------------- |
---|
53 | INTEGER, INTENT(in ) :: kt ! ocean time-step index |
---|
54 | INTEGER, INTENT(in ) :: Kbb, Kmm, Krhs ! ocean time level indices |
---|
55 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts,jpt), INTENT(inout) :: pts ! active tracers and RHS of tracer equation |
---|
56 | !! |
---|
57 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ztrdt, ztrds |
---|
58 | !!---------------------------------------------------------------------- |
---|
59 | ! |
---|
60 | IF( ln_timing ) CALL timing_start('tra_ldf') |
---|
61 | ! |
---|
62 | IF( ntile == 0 .OR. ntile == nijtile ) THEN ! Do only after all tiles finish |
---|
63 | IF( l_trdtra ) THEN !* Save ta and sa trends |
---|
64 | ! TODO: TO BE TILED |
---|
65 | ALLOCATE( ztrdt(jpi,jpj,jpk) , ztrds(jpi,jpj,jpk) ) |
---|
66 | ztrdt(:,:,:) = pts(:,:,:,jp_tem,Krhs) |
---|
67 | ztrds(:,:,:) = pts(:,:,:,jp_sal,Krhs) |
---|
68 | ENDIF |
---|
69 | ENDIF |
---|
70 | ! |
---|
71 | SELECT CASE ( nldf_tra ) !* compute lateral mixing trend and add it to the general trend |
---|
72 | CASE ( np_lap ) ! laplacian: iso-level operator |
---|
73 | CALL tra_ldf_lap ( kt, Kmm, nit000,'TRA', ahtu, ahtv, gtsu, gtsv, gtui, gtvi, pts(:,:,:,:,Kbb), pts(:,:,:,:,Krhs), jpts, 1 ) |
---|
74 | CASE ( np_lap_i ) ! laplacian: standard iso-neutral operator (Madec) |
---|
75 | CALL tra_ldf_iso ( kt, Kmm, nit000,'TRA', ahtu, ahtv, gtsu, gtsv, gtui, gtvi, pts(:,:,:,:,Kbb), pts(:,:,:,:,Kbb), pts(:,:,:,:,Krhs), jpts, 1 ) |
---|
76 | CASE ( np_lap_it ) ! laplacian: triad iso-neutral operator (griffies) |
---|
77 | CALL tra_ldf_triad( kt, Kmm, nit000,'TRA', ahtu, ahtv, gtsu, gtsv, gtui, gtvi, pts(:,:,:,:,Kbb), pts(:,:,:,:,Kbb), pts(:,:,:,:,Krhs), jpts, 1 ) |
---|
78 | CASE ( np_blp , np_blp_i , np_blp_it ) ! bilaplacian: iso-level & iso-neutral operators |
---|
79 | CALL tra_ldf_blp ( kt, Kmm, nit000,'TRA', ahtu, ahtv, gtsu, gtsv, gtui, gtvi, pts(:,:,:,:,Kbb), pts(:,:,:,:,Krhs), jpts, nldf_tra ) |
---|
80 | END SELECT |
---|
81 | ! |
---|
82 | IF( ntile == 0 .OR. ntile == nijtile ) THEN ! Do only after all tiles finish |
---|
83 | IF( l_trdtra ) THEN !* save the horizontal diffusive trends for further diagnostics |
---|
84 | ! TODO: TO BE TILED |
---|
85 | ztrdt(:,:,:) = pts(:,:,:,jp_tem,Krhs) - ztrdt(:,:,:) |
---|
86 | ztrds(:,:,:) = pts(:,:,:,jp_sal,Krhs) - ztrds(:,:,:) |
---|
87 | ! TODO: TO BE TILED |
---|
88 | CALL trd_tra( kt, Kmm, Krhs, 'TRA', jp_tem, jptra_ldf, ztrdt ) |
---|
89 | CALL trd_tra( kt, Kmm, Krhs, 'TRA', jp_sal, jptra_ldf, ztrds ) |
---|
90 | DEALLOCATE( ztrdt, ztrds ) |
---|
91 | ENDIF |
---|
92 | ENDIF |
---|
93 | ! !* print mean trends (used for debugging) |
---|
94 | IF(sn_cfctl%l_prtctl) CALL prt_ctl( tab3d_1=pts(:,:,:,jp_tem,Krhs), clinfo1=' ldf - Ta: ', mask1=tmask, & |
---|
95 | & tab3d_2=pts(:,:,:,jp_sal,Krhs), clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) |
---|
96 | ! |
---|
97 | IF( ln_timing ) CALL timing_stop('tra_ldf') |
---|
98 | ! |
---|
99 | END SUBROUTINE tra_ldf |
---|
100 | |
---|
101 | |
---|
102 | SUBROUTINE tra_ldf_init |
---|
103 | !!---------------------------------------------------------------------- |
---|
104 | !! *** ROUTINE tra_ldf_init *** |
---|
105 | !! |
---|
106 | !! ** Purpose : Choice of the operator for the lateral tracer diffusion |
---|
107 | !! |
---|
108 | !! ** Method : set nldf_tra from the namtra_ldf logicals |
---|
109 | !!---------------------------------------------------------------------- |
---|
110 | INTEGER :: ioptio, ierr ! temporary integers |
---|
111 | !!---------------------------------------------------------------------- |
---|
112 | ! |
---|
113 | IF(lwp) THEN !== Namelist print ==! |
---|
114 | WRITE(numout,*) |
---|
115 | WRITE(numout,*) 'tra_ldf_init : lateral tracer diffusive operator' |
---|
116 | WRITE(numout,*) '~~~~~~~~~~~~' |
---|
117 | WRITE(numout,*) ' Namelist namtra_ldf: already read in ldftra module' |
---|
118 | WRITE(numout,*) ' see ldf_tra_init report for lateral mixing parameters' |
---|
119 | WRITE(numout,*) |
---|
120 | ! |
---|
121 | SELECT CASE( nldf_tra ) ! print the choice of operator |
---|
122 | CASE( np_no_ldf ) ; WRITE(numout,*) ' ==>>> NO lateral diffusion' |
---|
123 | CASE( np_lap ) ; WRITE(numout,*) ' ==>>> laplacian iso-level operator' |
---|
124 | CASE( np_lap_i ) ; WRITE(numout,*) ' ==>>> Rotated laplacian operator (standard)' |
---|
125 | CASE( np_lap_it ) ; WRITE(numout,*) ' ==>>> Rotated laplacian operator (triad)' |
---|
126 | CASE( np_blp ) ; WRITE(numout,*) ' ==>>> bilaplacian iso-level operator' |
---|
127 | CASE( np_blp_i ) ; WRITE(numout,*) ' ==>>> Rotated bilaplacian operator (standard)' |
---|
128 | CASE( np_blp_it ) ; WRITE(numout,*) ' ==>>> Rotated bilaplacian operator (triad)' |
---|
129 | END SELECT |
---|
130 | ENDIF |
---|
131 | ! |
---|
132 | END SUBROUTINE tra_ldf_init |
---|
133 | |
---|
134 | !!====================================================================== |
---|
135 | END MODULE traldf |
---|