Changeset 13189 for NEMO/branches/2020/dev_r12472_ASINTER-05_Masson_CurrentFeedback/src/OCE/SBC/sbcblk_algo_ecmwf.F90
- Timestamp:
- 2020-07-01T11:27:25+02:00 (4 years ago)
- Location:
- NEMO/branches/2020/dev_r12472_ASINTER-05_Masson_CurrentFeedback
- Files:
-
- 2 edited
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NEMO/branches/2020/dev_r12472_ASINTER-05_Masson_CurrentFeedback
- Property svn:externals
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old new 8 8 9 9 # SETTE 10 ^/utils/CI/sette@ HEADsette10 ^/utils/CI/sette@12931 sette
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- Property svn:externals
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NEMO/branches/2020/dev_r12472_ASINTER-05_Masson_CurrentFeedback/src/OCE/SBC/sbcblk_algo_ecmwf.F90
r12377 r13189 98 98 & Qsw, rad_lw, slp, pdT_cs, & ! optionals for cool-skin (and warm-layer) 99 99 & pdT_wl, pHz_wl ) ! optionals for warm-layer only 100 !!---------------------------------------------------------------------- 100 !!---------------------------------------------------------------------------------- 101 101 !! *** ROUTINE turb_ecmwf *** 102 102 !! … … 184 184 LOGICAL :: l_zt_equal_zu = .FALSE. ! if q and t are given at same height as U 185 185 ! 186 REAL(wp), DIMENSION(jpi,jpj) :: 187 REAL(wp), DIMENSION(jpi,jpj) :: dt_zu, dq_zu 188 REAL(wp), DIMENSION(jpi,jpj) :: znu_a !: Nu_air, Viscosity of air186 REAL(wp), DIMENSION(jpi,jpj) :: u_star, t_star, q_star 187 REAL(wp), DIMENSION(jpi,jpj) :: dt_zu, dq_zu 188 REAL(wp), DIMENSION(jpi,jpj) :: znu_a !: Nu_air, Viscosity of air 189 189 REAL(wp), DIMENSION(jpi,jpj) :: Linv !: 1/L (inverse of Monin Obukhov length... 190 190 REAL(wp), DIMENSION(jpi,jpj) :: z0, z0t, z0q … … 196 196 CHARACTER(len=40), PARAMETER :: crtnm = 'turb_ecmwf@sbcblk_algo_ecmwf.F90' 197 197 !!---------------------------------------------------------------------------------- 198 199 198 IF( kt == nit000 ) CALL SBCBLK_ALGO_ECMWF_INIT(l_use_cs, l_use_wl) 200 199 201 l_zt_equal_zu = .FALSE. 202 IF( ABS(zu - zt) < 0.01_wp ) l_zt_equal_zu = .TRUE. ! testing "zu == zt" is risky with double precision 200 l_zt_equal_zu = ( ABS(zu - zt) < 0.01_wp ) ! testing "zu == zt" is risky with double precision 203 201 204 202 !! Initializations for cool skin and warm layer: … … 413 411 !!---------------------------------------------------------------------------------- 414 412 DO_2D_11_11 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 413 ! 414 zzeta = MIN( pzeta(ji,jj) , 5._wp ) !! Very stable conditions (L positif and big!): 415 ! 416 ! Unstable (Paulson 1970): 417 ! eq.3.20, Chap.3, p.33, IFS doc - Cy31r1 418 zx = SQRT(ABS(1._wp - 16._wp*zzeta)) 419 ztmp = 1._wp + SQRT(zx) 420 ztmp = ztmp*ztmp 421 psi_unst = LOG( 0.125_wp*ztmp*(1._wp + zx) ) & 422 & -2._wp*ATAN( SQRT(zx) ) + 0.5_wp*rpi 423 ! 424 ! Unstable: 425 ! eq.3.22, Chap.3, p.33, IFS doc - Cy31r1 426 psi_stab = -2._wp/3._wp*(zzeta - 5._wp/0.35_wp)*EXP(-0.35_wp*zzeta) & 427 & - zzeta - 2._wp/3._wp*5._wp/0.35_wp 428 ! 429 ! Combining: 430 stab = 0.5_wp + SIGN(0.5_wp, zzeta) ! zzeta > 0 => stab = 1 431 ! 432 psi_m_ecmwf(ji,jj) = (1._wp - stab) * psi_unst & ! (zzeta < 0) Unstable 433 & + stab * psi_stab ! (zzeta > 0) Stable 434 ! 437 435 END_2D 438 436 END FUNCTION psi_m_ecmwf … … 458 456 ! 459 457 DO_2D_11_11 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 458 ! 459 zzeta = MIN(pzeta(ji,jj) , 5._wp) ! Very stable conditions (L positif and big!): 460 ! 461 zx = ABS(1._wp - 16._wp*zzeta)**.25 ! this is actually (1/phi_m)**2 !!! 462 ! ! eq.3.19, Chap.3, p.33, IFS doc - Cy31r1 463 ! Unstable (Paulson 1970) : 464 psi_unst = 2._wp*LOG(0.5_wp*(1._wp + zx*zx)) ! eq.3.20, Chap.3, p.33, IFS doc - Cy31r1 465 ! 466 ! Stable: 467 psi_stab = -2._wp/3._wp*(zzeta - 5._wp/0.35_wp)*EXP(-0.35_wp*zzeta) & ! eq.3.22, Chap.3, p.33, IFS doc - Cy31r1 468 & - ABS(1._wp + 2._wp/3._wp*zzeta)**1.5_wp - 2._wp/3._wp*5._wp/0.35_wp + 1._wp 469 ! LB: added ABS() to avoid NaN values when unstable, which contaminates the unstable solution... 470 ! 471 stab = 0.5_wp + SIGN(0.5_wp, zzeta) ! zzeta > 0 => stab = 1 472 ! 473 ! 474 psi_h_ecmwf(ji,jj) = (1._wp - stab) * psi_unst & ! (zzeta < 0) Unstable 475 & + stab * psi_stab ! (zzeta > 0) Stable 476 ! 479 477 END_2D 480 478 END FUNCTION psi_h_ecmwf
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