- Timestamp:
- 2010-11-29T08:52:36+01:00 (13 years ago)
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branches/nemo_v3_3_beta/NEMOGCM/NEMO/OPA_SRC/TRA/trabbl.F90
r2287 r2443 4 4 !! Ocean physics : advective and/or diffusive bottom boundary layer scheme 5 5 !!============================================================================== 6 !! History : OPA ! 1996-06 (L. Mortier) Original code 7 !! 8.0 ! 1997-11 (G. Madec) Optimization 8 !! NEMO 1.0 ! 2002-08 (G. Madec) free form + modules 9 !! - ! 2004-01 (A. de Miranda, G. Madec, J.M. Molines ) add advective bbl 10 !! 3.3 ! 2009-11 (G. Madec) merge trabbl and trabbl_adv + style + optimization 11 !! - ! 2010-04 (G. Madec) Campin & Goosse advective bbl 12 !! - ! 2010-06 (C. Ethe, G. Madec) merge TRA-TRC 6 !! History : OPA ! 1996-06 (L. Mortier) Original code 7 !! 8.0 ! 1997-11 (G. Madec) Optimization 8 !! NEMO 1.0 ! 2002-08 (G. Madec) free form + modules 9 !! - ! 2004-01 (A. de Miranda, G. Madec, J.M. Molines ) add advective bbl 10 !! 3.3 ! 2009-11 (G. Madec) merge trabbl and trabbl_adv + style + optimization 11 !! - ! 2010-04 (G. Madec) Campin & Goosse advective bbl 12 !! - ! 2010-06 (C. Ethe, G. Madec) merge TRA-TRC 13 !! - ! 2010-11 (G. Madec) add mbk. arrays associated to the deepest ocean level 13 14 !!---------------------------------------------------------------------- 14 15 #if defined key_trabbl || defined key_esopa … … 24 25 USE oce ! ocean dynamics and active tracers 25 26 USE dom_oce ! ocean space and time domain 26 USE phycst ! 27 USE phycst ! physical constant 27 28 USE eosbn2 ! equation of state 28 USE trdmod_oce ! ocean space and time domain29 USE trdtra ! ocean active tracers trends29 USE trdmod_oce ! trends: ocean variables 30 USE trdtra ! trends: active tracers 30 31 USE iom ! IOM server 31 32 USE in_out_manager ! I/O manager … … 38 39 PUBLIC tra_bbl ! routine called by step.F90 39 40 PUBLIC tra_bbl_init ! routine called by opa.F90 40 PUBLIC tra_bbl_dif ! routine called by tr a_bbl and trc_bbl41 PUBLIC tra_bbl_dif ! routine called by trcbbl.F90 41 42 PUBLIC tra_bbl_adv ! - - - - 42 PUBLIC bbl ! - - - -43 PUBLIC bbl ! routine called by trcbbl.F90 and dtadyn.F90 43 44 44 45 # if defined key_trabbl … … 48 49 # endif 49 50 50 ! !!* Namelist nambbl *51 INTEGER , PUBLIC :: nn_bbl_ldf = 0 !: =1 : diffusive bbl or not (=0)52 INTEGER , PUBLIC :: nn_bbl_adv = 0 !: =1/2 : advective bbl or not (=0)53 ! ! =1 : advective bbl using the bottom ocean velocity54 ! ! =2 : - - using utr_bbl proportional to grad(rho)55 REAL(wp), PUBLIC :: rn_ahtbbl = 1.e +3!: along slope bbl diffusive coefficient [m2/s]56 REAL(wp), PUBLIC :: rn_gambbl = 10. e0!: lateral coeff. for bottom boundary layer scheme [s]51 ! !!* Namelist nambbl * 52 INTEGER , PUBLIC :: nn_bbl_ldf = 0 !: =1 : diffusive bbl or not (=0) 53 INTEGER , PUBLIC :: nn_bbl_adv = 0 !: =1/2 : advective bbl or not (=0) 54 ! ! =1 : advective bbl using the bottom ocean velocity 55 ! ! =2 : - - using utr_bbl proportional to grad(rho) 56 REAL(wp), PUBLIC :: rn_ahtbbl = 1.e3_wp !: along slope bbl diffusive coefficient [m2/s] 57 REAL(wp), PUBLIC :: rn_gambbl = 10.0_wp !: lateral coeff. for bottom boundary layer scheme [s] 57 58 58 59 REAL(wp), DIMENSION(jpi,jpj), PUBLIC :: utr_bbl , vtr_bbl ! u- (v-) transport in the bottom boundary layer 59 60 60 INTEGER , DIMENSION(jpi,jpj) :: mbkt ! vertical index of the bottom ocean T-level61 INTEGER , DIMENSION(jpi,jpj) :: mbku , mbkv ! vertical index of the (upper) bottom ocean U/V-level62 61 INTEGER , DIMENSION(jpi,jpj) :: mbku_d , mbkv_d ! vertical index of the "lower" bottom ocean U/V-level 63 62 INTEGER , DIMENSION(jpi,jpj) :: mgrhu , mgrhv ! = +/-1, sign of grad(H) in u-(v-)direction … … 74 73 !! NEMO/OPA 3.3 , NEMO Consortium (2010) 75 74 !! $Id$ 76 !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) 77 !!---------------------------------------------------------------------- 78 75 !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) 76 !!---------------------------------------------------------------------- 79 77 CONTAINS 80 81 78 82 79 SUBROUTINE tra_bbl( kt ) … … 85 82 !! 86 83 !! ** Purpose : Compute the before tracer (t & s) trend associated 87 !! with the bottom boundary layer and add it to the general trend88 !! of tracer equations.84 !! with the bottom boundary layer and add it to the general 85 !! trend of tracer equations. 89 86 !! 90 87 !! ** Method : Depending on namtra_bbl namelist parameters the bbl … … 218 215 !! transport proportional to the along-slope density gradient 219 216 !! 220 !!221 217 !! References : Beckmann, A., and R. Doscher, 1997, J. Phys.Oceanogr., 581-591. 222 218 !! Campin, J.-M., and H. Goosse, 1999, Tellus, 412-430. 223 !!224 219 !!---------------------------------------------------------------------- 225 220 INTEGER , INTENT(in ) :: kjpt ! number of tracers … … 233 228 REAL(wp) :: zu_bbl, zv_bbl ! - - 234 229 !!---------------------------------------------------------------------- 235 230 ! 236 231 ! ! =========== 237 232 DO jn = 1, kjpt ! tracer loop … … 547 542 e1e2t_r(:,:) = 1.0 / ( e1t(:,:) * e2t(:,:) ) 548 543 549 ! !* vertical index of bottom t-, u- and v-points 550 DO jj = 1, jpj ! bottom k-index of T-level 551 DO ji = 1, jpi 552 mbkt(ji,jj) = MAX( mbathy(ji,jj) - 1, 1 ) 544 ! !* vertical index of "deep" bottom u- and v-points 545 DO jj = 1, jpjm1 ! (the "shelf" bottom k-indices are mbku and mbkv) 546 DO ji = 1, jpim1 547 mbku_d(ji,jj) = MAX( mbkt(ji+1,jj ) , mbkt(ji,jj) ) ! >= 1 as mbkt=1 over land 548 mbkv_d(ji,jj) = MAX( mbkt(ji ,jj+1) , mbkt(ji,jj) ) 553 549 END DO 554 550 END DO 555 DO jj = 1, jpjm1 ! bottom k-index of u- (v-) level (shelf and deep) 556 DO ji = 1, jpim1 557 mbku (ji,jj) = MAX( MIN( mbathy(ji+1,jj ), mbathy(ji,jj) ) - 1, 1 ) ! "shelf" 558 mbkv (ji,jj) = MAX( MIN( mbathy(ji ,jj+1), mbathy(ji,jj) ) - 1, 1 ) 559 mbku_d(ji,jj) = MAX( MAX( mbathy(ji+1,jj ), mbathy(ji,jj) ) - 1, 1 ) ! "deep" 560 mbkv_d(ji,jj) = MAX( MAX( mbathy(ji ,jj+1), mbathy(ji,jj) ) - 1, 1 ) 561 END DO 562 END DO 563 zmbk(:,:) = FLOAT( mbku (:,:) ) ; CALL lbc_lnk(zmbk,'U',1.) ; mbku (:,:) = MAX( INT( zmbk(:,:) ), 1 ) 564 zmbk(:,:) = FLOAT( mbkv (:,:) ) ; CALL lbc_lnk(zmbk,'V',1.) ; mbkv (:,:) = MAX( INT( zmbk(:,:) ), 1 ) 565 zmbk(:,:) = FLOAT( mbku_d(:,:) ) ; CALL lbc_lnk(zmbk,'U',1.) ; mbku_d(:,:) = MAX( INT( zmbk(:,:) ), 1 ) 566 zmbk(:,:) = FLOAT( mbkv_d(:,:) ) ; CALL lbc_lnk(zmbk,'V',1.) ; mbkv_d(:,:) = MAX( INT( zmbk(:,:) ), 1 ) 551 ! converte into REAL to use lbc_lnk ; impose a min value of 1 as a zero can be set in lbclnk 552 zmbk(:,:) = REAL( mbku_d(:,:), wp ) ; CALL lbc_lnk(zmbk,'U',1.) ; mbku_d(:,:) = MAX( INT( zmbk(:,:) ), 1 ) 553 zmbk(:,:) = REAL( mbkv_d(:,:), wp ) ; CALL lbc_lnk(zmbk,'V',1.) ; mbkv_d(:,:) = MAX( INT( zmbk(:,:) ), 1 ) 567 554 568 555 !* sign of grad(H) at u- and v-points
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