| 1 | MODULE step_tam_cpd |
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| 2 | #ifdef key_tam |
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| 3 | !!====================================================================== |
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| 4 | !! *** MODULE step_tam *** |
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| 5 | !! Time-stepping : manager of the adjoint ocean time stepping |
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| 6 | !! Tangent and Adjoint module |
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| 7 | !!====================================================================== |
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| 8 | !! History of |
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| 9 | !! the direct: ! 91-03 () Original code |
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| 10 | !! ! 91-11 (G. Madec) |
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| 11 | !! ! 92-06 (M. Imbard) add a first output record |
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| 12 | !! ! 96-04 (G. Madec) introduction of dynspg |
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| 13 | !! ! 96-04 (M.A. Foujols) introduction of passive tracer |
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| 14 | !! 8.0 ! 97-06 (G. Madec) new architecture of call |
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| 15 | !! 8.2 ! 97-06 (G. Madec, M. Imbard, G. Roullet) free surface |
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| 16 | !! 8.2 ! 99-02 (G. Madec, N. Grima) hpg implicit |
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| 17 | !! 8.2 ! 00-07 (J-M Molines, M. Imbard) Open Bondary Conditions |
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| 18 | !! 9.0 ! 02-06 (G. Madec) free form, suppress macro-tasking |
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| 19 | !! " " ! 04-08 (C. Talandier) New trends organization |
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| 20 | !! " " ! 05-01 (C. Ethe) Add the KPP closure scheme |
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| 21 | !! " " ! 05-11 (V. Garnier) Surface pressure gradient organization |
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| 22 | !! " " ! 05-11 (G. Madec) Reorganisation of tra and dyn calls |
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| 23 | !! " " ! 06-01 (L. Debreu, C. Mazauric) Agrif implementation |
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| 24 | !! " " ! 06-07 (S. Masson) restart using iom |
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| 25 | !! " " " ! 07-04 (K. Mogensen, A. Weaver, M. Martin) Assimilation interface |
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| 26 | !! History of the TAM |
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| 27 | !! ! 08-06 (A. Vidard and A. Weaver) Tangent and Adjoint version of 9.0 |
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| 28 | !! ! 08-11 (A. Vidard) Nemo v3 update |
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| 29 | !! ! 06-09 (F. Vigilant) Modified to split NEMOVAR / NEMOTAM |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! stp_tam : OPA system time-stepping (tangent linear) |
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| 32 | !! stp_adj : OPA system time-stepping (adjoint) |
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| 33 | !!---------------------------------------------------------------------- |
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| 34 | |
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| 35 | USE par_kind , ONLY: & ! Precision variables |
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| 36 | & wp |
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| 37 | USE par_oce , ONLY: & ! Ocean space and time domain variables |
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| 38 | & jpi, & |
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| 39 | & jpj, & |
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| 40 | & jpk, & |
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| 41 | & jpiglo |
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| 42 | USE oce , ONLY: & ! ocean dynamics and tracers variables |
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| 43 | & tb, sb, tn, sn, ta, & |
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| 44 | & un, vn, sshn, sshb, & |
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| 45 | & sa, ub, vb, & |
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| 46 | & ln_dynhpg_imp |
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| 47 | USE zdfkpp , ONLY: & |
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| 48 | & lk_zdfkpp ! KPP vertical mixing flag |
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| 49 | USE dynspg_oce , ONLY: & |
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| 50 | & lk_dynspg_rl ! Rigid-lid flag |
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| 51 | USE dom_oce , ONLY: & ! ocean space and time domain variables |
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| 52 | & n_cla, e1u, e2u, & |
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| 53 | & e1v, e2v, e1t, e2t, & |
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| 54 | # if defined key_vvl |
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| 55 | & e3t_1, & |
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| 56 | # else |
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| 57 | # if defined key_zco |
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| 58 | & e3t_0, e3w_0, & |
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| 59 | # else |
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| 60 | & e3t, e3u, e3v, e3w, & |
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| 61 | # endif |
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| 62 | # endif |
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| 63 | & nldi, nldj, nlei, & |
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| 64 | & nlej, lk_vvl, ln_zps,& |
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| 65 | & narea, mig, mjg, & |
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| 66 | & umask, vmask, tmask |
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| 67 | USE in_out_manager, ONLY: & ! I/O manager |
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| 68 | & numout, lwp, & |
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| 69 | & nit000, nitend, & |
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| 70 | & nstop, ctl_stop |
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| 71 | USE daymod , ONLY: & |
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| 72 | & adatrj |
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| 73 | |
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| 74 | USE trabbc , ONLY: &! bottom boundary condition |
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| 75 | & lk_trabbc |
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| 76 | USE traqsr , ONLY: & |
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| 77 | & ln_traqsr |
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| 78 | ! solar radiation penetration flag |
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| 79 | USE oce_tam , ONLY: & ! Tangent linear and adjoint variables |
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| 80 | & oce_tam_init, & |
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| 81 | & un_tl, vn_tl, tn_tl, & |
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| 82 | & sn_tl, ua_tl, va_tl, & |
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| 83 | & ta_tl, sa_tl, ub_tl, & |
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| 84 | & vb_tl, tb_tl, sb_tl, & |
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| 85 | & un_ad, vn_ad, tn_ad, & |
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| 86 | & sn_ad, ua_ad, va_ad, & |
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| 87 | & ta_ad, sa_ad, ub_ad, & |
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| 88 | & vb_ad, tb_ad, sb_ad, & |
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| 89 | & sshn_tl, sshn_ad, & |
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| 90 | & rn2_tl, rn2_ad, & |
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| 91 | & rhd_tl, rhop_tl, & |
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| 92 | & rhd_ad, rhop_ad, & |
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| 93 | & gtu_tl, gsu_tl, & |
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| 94 | & gru_tl, gtv_tl, & |
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| 95 | & gsv_tl, grv_tl, & |
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| 96 | & gtu_ad, gsu_ad, & |
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| 97 | & gru_ad, gtv_ad, & |
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| 98 | & gsv_ad, grv_ad, & |
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| 99 | & ssha_tl, sshb_tl |
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| 100 | USE lbclnk_tam |
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| 101 | USE daymod_tam ! calendar (adjoint of day routine) |
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| 102 | USE sbc_oce_tam |
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| 103 | USE sbcmod_tam |
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| 104 | USE traqsr_tam ! solar radiation penetration (adjoint of tra_qsr routine) |
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| 105 | USE trasbc_tam ! surface boundary condition (adjoint of tra_sbc routine) |
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| 106 | USE trabbc_tam ! bottom boundary condition (adjoint of tra_bbc routine) |
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| 107 | USE tradmp_tam ! internal damping (adjoint of tra_dmp routine) |
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| 108 | USE traadv_tam ! advection scheme control (adjoint of tra_adv_ctl routine) |
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| 109 | USE traldf_tam ! lateral mixing (adjoint of tra_ldf routine) |
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| 110 | USE cla_tam ! cross land advection (adjoint of tra_cla routine) |
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| 111 | ! zdfkpp ! KPP non-local tracer fluxes (adjoint of tra_kpp routine) |
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| 112 | USE trazdf_tam ! vertical mixing (adjoint of tra_zdf routine) |
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| 113 | USE tranxt_tam ! time-stepping (adjoint of tra_nxt routine) |
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| 114 | USE eosbn2_tam ! equation of state (adjoint of eos_bn2 routine) |
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| 115 | |
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| 116 | USE dynadv_tam ! advection (adjoint of dyn_adv routine) |
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| 117 | USE dynvor_tam ! vorticity term (adjoint of dyn_vor routine) |
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| 118 | USE dynhpg_tam ! hydrostatic pressure grad. (adjoint of dyn_hpg routine) |
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| 119 | USE dynldf_tam ! lateral momentum diffusion (adjoint of dyn_ldf routine) |
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| 120 | USE dynzdf_tam ! vertical diffusion (adjoint of dyn_zdf routine) |
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| 121 | USE dynspg_tam ! surface pressure gradient (adjoint of dyn_spg routine) |
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| 122 | USE dynnxt_tam ! time-stepping (adjoint of dyn_nxt routine) |
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| 123 | |
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| 124 | ! USE bdy_par_tam |
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| 125 | ! USE bdydta_tam |
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| 126 | |
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| 127 | USE divcur_tam ! hor. divergence and curl (adjoint of div & cur routines) |
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| 128 | USE cla_div_tam ! cross land: hor. divergence (adjoint of div_cla routine) |
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| 129 | USE wzvmod_tam ! vertical velocity (adjoint of wzv routine) |
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| 130 | |
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| 131 | USE zdfkpp_tam ! KPP vertical mixing |
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| 132 | |
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| 133 | USE zpshde_tam ! partial step: hor. derivative (adjoint of zps_hde routine) |
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| 134 | |
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| 135 | !! USE diaobs_tam ! obs-minus-model (adjoint of assimilation) (adjoint of dia_obs routine) |
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| 136 | |
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| 137 | USE trj_tam |
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| 138 | |
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| 139 | USE stpctl_tam ! time stepping control (adjoint of stp_ctl routine) |
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| 140 | |
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| 141 | USE gridrandom, ONLY: & |
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| 142 | ! Random Gaussian noise on grids |
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| 143 | & grid_random, & |
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| 144 | & grid_rd_sd |
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| 145 | USE dotprodfld, ONLY: & ! Computes dot product for 3D and 2D fields |
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| 146 | & dot_product |
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| 147 | USE tstool_tam, ONLY: & |
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| 148 | & prntst_adj, & |
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| 149 | & prntst_tlm, & |
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| 150 | & stdemp, & |
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| 151 | & stdu,stdv, & |
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| 152 | & stdt, & |
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| 153 | & stds, stdssh, & |
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| 154 | & stdr |
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| 155 | |
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| 156 | USE paresp, ONLY: & |
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| 157 | ! Weights for an energy-type scalar product |
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| 158 | & wesp_t, & |
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| 159 | & wesp_s, & |
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| 160 | & wesp_u, & |
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| 161 | & wesp_ssh |
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| 162 | |
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| 163 | USE istate_tam !: Initial state setting (istate_init routine) |
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| 164 | USE sol_oce_tam |
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| 165 | USE trc_oce_tam |
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| 166 | |
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| 167 | USE step |
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| 168 | |
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| 169 | #if defined key_agrif |
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| 170 | #error 'agrif not yet implemented in nemotam' |
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| 171 | #endif |
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| 172 | |
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| 173 | IMPLICIT NONE |
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| 174 | PRIVATE |
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| 175 | |
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| 176 | PUBLIC stp_tan_cpd |
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| 177 | !! * Substitutions |
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| 178 | # include "domzgr_substitute.h90" |
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| 179 | # include "zdfddm_substitute.h90" |
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| 180 | |
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| 181 | CONTAINS |
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| 182 | #if defined key_agrif |
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| 183 | #error 'agrif not yet implemented in nemotam' |
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| 184 | ! SUBROUTINE stp_tan( ) |
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| 185 | #else |
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| 186 | SUBROUTINE stp_tan_cpd( kstp ) |
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| 187 | #endif |
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| 188 | !!---------------------------------------------------------------------- |
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| 189 | !! *** ROUTINE stp_tan *** |
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| 190 | !! |
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| 191 | !! ** Purpose of the direct routine: |
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| 192 | !! - Time stepping of OPA (momentum and active tracer eqs.) |
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| 193 | !! - Time stepping of LIM (dynamic and thermodynamic eqs.) |
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| 194 | !! - Tme stepping of TRC (passive tracer eqs.) |
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| 195 | !! |
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| 196 | !! ** Method of the direct routine: |
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| 197 | !! -1- Update forcings and data |
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| 198 | !! -2- Update ocean physics |
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| 199 | !! -3- Compute the t and s trends |
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| 200 | !! -4- Update t and s |
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| 201 | !! -5- Compute the momentum trends |
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| 202 | !! -6- Update the horizontal velocity |
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| 203 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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| 204 | !! -8- Outputs and diagnostics |
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| 205 | !!---------------------------------------------------------------------- |
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| 206 | !! * Arguments |
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| 207 | #if defined key_agrif |
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| 208 | INTEGER :: kstp ! ocean time-step index |
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| 209 | #else |
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| 210 | INTEGER, INTENT( in ) :: kstp ! ocean time-step index |
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| 211 | #endif |
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| 212 | |
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| 213 | !! * local declarations |
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| 214 | INTEGER :: indic ! error indicator if < 0 |
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| 215 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zta_tmp, zsa_tmp |
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| 216 | !! --------------------------------------------------------------------- |
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| 217 | |
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| 218 | |
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| 219 | #if defined key_agrif |
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| 220 | kstp = nit000 + Agrif_Nb_Step() |
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| 221 | ! IF ( Agrif_Root() .and. lwp) Write(*,*) '---' |
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| 222 | ! IF (lwp) Write(*,*) 'Grid Number',Agrif_Fixed(),' time step ',kstp |
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| 223 | #endif |
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| 224 | indic = 1 ! reset to no error condition |
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| 225 | |
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| 226 | CALL day_tam( kstp, 0 ) ! Calendar |
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| 227 | |
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| 228 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 229 | ! Update data, open boundaries, surface boundary condition (including sea-ice) |
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| 230 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 231 | |
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| 232 | ! update 3D temperature data ... not needed in tangent |
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| 233 | |
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| 234 | ! update 3D salinity data ... not needed in tangent (to be investigated, see sbc_ssr) |
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| 235 | |
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| 236 | CALL sbc_tan ( kstp ) ! Sea boundary condition (including sea-ice) |
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| 237 | |
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| 238 | ! update dynamic and tracer data at open boundaries ... not needed for the time being, to investigate whenever we do obc. |
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| 239 | |
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| 240 | ! compute phase velocities at open boundaries ... not needed for the time being, to investigate whenever we do obc. |
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| 241 | ! IF( lk_bdy ) CALL bdy_dta_tan( kstp ) ! update dynamic and tracer data at unstructured open boundary |
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| 242 | |
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| 243 | ! Output the initial state and forcings ... not needed in tangent |
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| 244 | |
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| 245 | ! saving direct variables ua,va, ta, sa before entering in tracer |
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| 246 | zta_tmp (:,:,:) = ta (:,:,:) |
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| 247 | zsa_tmp (:,:,:) = sa (:,:,:) |
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| 248 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 249 | ! Ocean physics update |
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| 250 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 251 | !----------------------------------------------------------------------- |
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| 252 | ! VERTICAL PHYSICS |
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| 253 | !----------------------------------------------------------------------- |
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| 254 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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| 255 | !----------------------------------------------------------------------- |
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| 256 | |
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| 257 | CALL bn2_tan( tb, sb, tb_tl, sb_tl, rn2_tl ) ! before Brunt-Vaisala frequency |
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| 258 | |
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| 259 | ! ! Vertical eddy viscosity and diffusivity coefficients |
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| 260 | ! Richardson number dependent Kz ... not available |
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| 261 | ! TKE closure scheme for Kz ... not available |
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| 262 | ! KPP closure scheme for Kz ... not available |
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| 263 | |
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| 264 | ! Constant Kz (reset avt, avm[uv] to the background value)... not available |
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| 265 | |
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| 266 | ! lk_zdfcst_tan: Constant Kz read from the reference trajectory |
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| 267 | |
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| 268 | |
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| 269 | ! ! increase diffusivity at rivers mouths... not needed in tangent |
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| 270 | |
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| 271 | ! enhanced vertical eddy diffusivity ... not needed in tangent with lk_zdfcst_tan |
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| 272 | |
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| 273 | ! double diffusive mixing ... not needed in tangent with lk_zdfcst_tan |
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| 274 | |
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| 275 | ! bottom friction... not needed in tangent with lk_zdfcst_tan |
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| 276 | |
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| 277 | ! mixed layer depth... not needed in tangent with lk_zdfcst_tan |
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| 278 | |
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| 279 | |
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| 280 | !----------------------------------------------------------------------- |
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| 281 | ! LATERAL PHYSICS |
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| 282 | !----------------------------------------------------------------------- |
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| 283 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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| 284 | !----------------------------------------------------------------------- |
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| 285 | |
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| 286 | ! before slope of the lateral mixing... not needed in tangent with lk_zdfcst_tan |
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| 287 | |
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| 288 | #if defined key_traldf_c2d |
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| 289 | ! eddy induced velocity coefficient... not needed in tangent with lk_zdfcst_tan |
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| 290 | #endif |
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| 291 | |
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| 292 | |
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| 293 | #if defined key_top |
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| 294 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 295 | ! Passive Tracer Model |
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| 296 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 297 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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| 298 | !----------------------------------------------------------------------- |
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| 299 | |
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| 300 | ! time-stepping... not needed in tangent for the time being |
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| 301 | |
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| 302 | #endif |
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| 303 | |
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| 304 | ta (:,:,:) = zta_tmp (:,:,:) |
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| 305 | sa (:,:,:) = zsa_tmp (:,:,:) |
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| 306 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 307 | ! Active tracers |
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| 308 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 309 | ! N.B. ua, va arrays are used as workspace in this section |
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| 310 | !----------------------------------------------------------------------- |
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| 311 | |
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| 312 | ta_tl(:,:,:) = 0.e0 ! set tracer trends to zero |
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| 313 | sa_tl(:,:,:) = 0.e0 |
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| 314 | |
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| 315 | ! apply tracer assimilation increment ... not needed in tangent |
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| 316 | ! apply bias directly to tn, sn, tb, sb ... not needed in tangent |
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| 317 | CALL tra_sbc_tan( kstp ) ! surface boundary condition |
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| 318 | |
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| 319 | IF( ln_traqsr ) CALL tra_qsr_tan( kstp ) ! penetrative solar radiation qsr |
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| 320 | |
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| 321 | IF( lk_trabbc ) CALL tra_bbc_tan( kstp ) ! bottom heat flux |
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| 322 | |
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| 323 | ! diffusive bottom boundary layer scheme ... currently not available |
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| 324 | ! advective (and/or diffusive) bottom boundary layer scheme ... currently not available |
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| 325 | |
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| 326 | IF( lk_tradmp ) CALL tra_dmp_tan( kstp ) ! internal damping trends |
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| 327 | |
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| 328 | |
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| 329 | ! CALL tra_adv_tan( kstp ) ! horizontal & vertical advection |
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| 330 | |
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| 331 | ! IF( n_cla == 1 ) CALL tra_cla_tan( kstp ) ! Cross Land Advection (Update Hor. advection) |
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| 332 | |
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| 333 | !! IF( lk_zdfkpp ) CALL tra_kpp_tan( kstp ) ! KPP non-local tracer fluxes |
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| 334 | |
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| 335 | ! CALL tra_ldf_tan( kstp ) ! lateral mixing |
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| 336 | |
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| 337 | #if defined key_agrif |
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| 338 | ! tracers sponge ... not available |
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| 339 | #endif |
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| 340 | CALL tra_zdf_tan( kstp ) ! vertical mixing |
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| 341 | |
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| 342 | |
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| 343 | ! update the new (t,s) fields by non |
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| 344 | ! penetrative convective adjustment ... not available |
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| 345 | |
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| 346 | ! CALL tra_nxt_tan( kstp ) ! tracer fields at next time step |
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| 347 | |
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| 348 | |
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| 349 | IF( ln_dynhpg_imp ) THEN ! semi-implicit hpg |
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| 350 | CALL eos_tan( ta, sa, ta_tl, sa_tl, rhd_tl, rhop_tl ) ! Time-filtered in situ density used in dynhpg module |
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| 351 | IF( ln_zps ) CALL zps_hde_tan( kstp, ta, sa, ta_tl, sa_tl, rhd_tl,& ! Partial steps: time filtered hor. gradient |
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| 352 | & gtu_tl, gsu_tl, gru_tl, & ! of t, s, rd at the bottom ocean level |
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| 353 | & gtv_tl, gsv_tl, grv_tl ) |
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| 354 | ELSE ! centered hpg (default case) |
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| 355 | CALL eos_tan( tb, sb, tb_tl, sb_tl, rhd_tl, rhop_tl ) ! now (swap=before) in situ density for dynhpg module |
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| 356 | IF( ln_zps ) CALL zps_hde_tan( kstp, tb, sb, tb_tl, sb_tl, rhd_tl,& ! Partial steps: now horizontal gradient |
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| 357 | & gtu_tl, gsu_tl, gru_tl, & ! of t, s, rd at the bottom ocean level |
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| 358 | & gtv_tl, gsv_tl, grv_tl ) |
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| 359 | ENDIF |
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| 360 | |
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| 361 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 362 | ! Dynamics |
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| 363 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 364 | ! N.B. ta, sa arrays are used as workspace in this section |
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| 365 | !----------------------------------------------------------------------- |
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| 366 | |
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| 367 | ua_tl(:,:,:) = 0.e0 ! set dynamics trends to zero |
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| 368 | va_tl(:,:,:) = 0.e0 |
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| 369 | |
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| 370 | ! apply dynamics assimilation increment ... not needed in tangent |
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| 371 | |
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| 372 | CALL dyn_adv_tan( kstp ) ! advection (vector or flux form) |
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| 373 | CALL dyn_vor_tan( kstp ) ! vorticity term including Coriolis |
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| 374 | CALL dyn_ldf_tan( kstp ) ! lateral mixing |
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| 375 | #if defined key_agrif |
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| 376 | ! momemtum sponge ... not available |
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| 377 | #endif |
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| 378 | |
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| 379 | CALL dyn_hpg_tan( kstp ) ! horizontal gradient of Hydrostatic pressure |
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| 380 | |
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| 381 | CALL dyn_zdf_tan( kstp ) ! vertical diffusion |
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| 382 | |
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| 383 | !PRINT*,'dynspg' |
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| 384 | IF( lk_dynspg_rl ) THEN |
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| 385 | ! surface pressure gradient at open boundaries ... not available |
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| 386 | ENDIF |
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| 387 | indic=0 |
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| 388 | !i |
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| 389 | CALL dyn_spg_tan( kstp, indic ) ! surface pressure gradient |
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| 390 | |
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| 391 | CALL dyn_nxt_tan( kstp ) ! lateral velocity at next time step |
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| 392 | |
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| 393 | ! vertical mesh at next time step ... not available |
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| 394 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 395 | ! Computation of diagnostic variables |
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| 396 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 397 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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| 398 | !----------------------------------------------------------------------- |
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| 399 | CALL div_cur_tan( kstp ) ! Horizontal divergence & Relative vorticity |
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| 400 | IF( n_cla == 1 ) CALL div_cla_tan( kstp ) ! Cross Land Advection (Update Hor. divergence) |
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| 401 | CALL wzv_tan( kstp ) ! Vertical velocity |
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| 402 | |
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| 403 | CALL trj_rea( kstp, 1) ! ... Read basic state trajectory at end of current step |
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| 404 | |
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| 405 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 406 | ! Control, and restarts |
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| 407 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 408 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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| 409 | !----------------------------------------------------------------------- |
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| 410 | ! ! Time loop: control and print |
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| 411 | CALL stp_ctl_tan( kstp, indic, 0 ) |
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| 412 | IF( indic < 0 ) CALL ctl_stop( 'step_tan: indic < 0' ) |
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| 413 | |
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| 414 | ! close input ocean restart file ... not needed in tangent |
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| 415 | ! write output ocean restart file... not needed in tangent |
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| 416 | ! write open boundary restart file... not needed in tangent |
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| 417 | |
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| 418 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 419 | ! diagnostics and outputs |
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| 420 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 421 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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| 422 | !----------------------------------------------------------------------- |
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| 423 | |
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| 424 | IF ( nstop == 0 ) THEN ! Diagnostics |
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| 425 | ! drifting Floats... not needed in tangent |
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| 426 | ! trends: dynamics ... not needed in tangent |
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| 427 | ! trends: active tracers... not needed in tangent |
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| 428 | ! trends: Mixed-layer ... not needed in tangent |
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| 429 | ! trends: vorticity budget... not needed in tangent |
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| 430 | ! Surface pressure diagnostics... not needed in tangent |
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| 431 | ! Thermocline depth (20 degres isotherm depth)... not needed in tangent |
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| 432 | ! basin averaged diagnostics... not needed in tangent |
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| 433 | ! dynamical heigh diagnostics... not needed in tangent |
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| 434 | ! Fresh water budget diagnostics... not needed in tangent |
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| 435 | !!! IF( lk_diaobs ) CALL dia_obs_tan( kstp ) ! obs-minus-model (assimilation) diagnostics NOTE: may be better off outside this module |
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| 436 | ! Poleward TRansports diagnostics... not needed in tangent |
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| 437 | |
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| 438 | |
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| 439 | ! ! Outputs |
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| 440 | ! ocean model: outputs... not needed in tangent |
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| 441 | |
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| 442 | ENDIF |
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| 443 | |
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| 444 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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| 445 | ! Coupled mode |
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| 446 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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| 447 | |
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| 448 | ! coupled mode : field exchanges ... not available for the next 20 years |
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| 449 | ! |
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| 450 | END SUBROUTINE stp_tan_cpd |
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| 451 | |
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| 452 | #endif |
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| 453 | END MODULE step_tam_cpd |
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