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C $Header: /u/gcmpack/MITgcm/model/inc/DYNVARS.h,v 1.50 2016/11/28 22:55:00 jmc Exp $ |
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C $Name: $ |
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CBOP |
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C !ROUTINE: DYNVARS.h |
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C !INTERFACE: |
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C include "DYNVARS.h" |
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C !DESCRIPTION: |
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C \bv |
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C *==========================================================* |
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C | DYNVARS.h |
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C | o Dynamical model variables (common block DYNVARS_R) |
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C *==========================================================* |
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C | The value and two levels of time tendency are held for |
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C | each prognostic variable. |
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C *==========================================================* |
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C \ev |
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CEOP |
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C State Variables: |
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C etaN :: free-surface r-anomaly (r unit) at current time level |
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C uVel :: zonal velocity (m/s, i=1 held at western face) |
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C vVel :: meridional velocity (m/s, j=1 held at southern face) |
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C theta :: potential temperature (oC, held at pressure/tracer point) |
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C salt :: salinity (ppt, held at pressure/tracer point) |
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C gX, gxNm1 :: Time tendencies at current and previous time levels. |
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C etaH :: surface r-anomaly, advanced in time consistently |
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C with 2.D flow divergence (Exact-Conservation): |
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C etaH^n+1 = etaH^n - delta_t*Div.(H^n U^n+1) |
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C note: a) used with "exactConserv", necessary for Non-Lin free-surf and mixed |
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C forward/backward free-surf time stepping (e.g., Crank-Nickelson) |
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C b) same as etaN but not necessarily at the same time, e.g.: |
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C implicDiv2DFlow=1 => etaH=etaN ; =0 => etaH=etaN^(n-1); |
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#ifdef ALLOW_ADAMSBASHFORTH_3 |
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COMMON /DYNVARS_R/ |
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& etaN, |
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& uVel,vVel,wVel,theta,salt, |
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& gU, gV, |
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& guNm, gvNm, gtNm, gsNm |
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#else /* ALLOW_ADAMSBASHFORTH_3 */ |
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COMMON /DYNVARS_R/ |
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& etaN, |
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& uVel,vVel,wVel,theta,salt, |
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& gU, gV, |
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& guNm1,gvNm1,gtNm1,gsNm1 |
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#endif /* ALLOW_ADAMSBASHFORTH_3 */ |
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_RL etaN (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL uVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL vVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL wVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL theta(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL salt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#ifdef ALLOW_ADAMSBASHFORTH_3 |
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_RL guNm(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy,2) |
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_RL gvNm(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy,2) |
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_RL gtNm(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy,2) |
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_RL gsNm(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy,2) |
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#else /* ALLOW_ADAMSBASHFORTH_3 */ |
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_RL guNm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gvNm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gtNm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gsNm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif /* ALLOW_ADAMSBASHFORTH_3 */ |
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#ifdef ALLOW_PRESSURE_RELEASE_CODE |
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COMMON /PRESS_RELEASE_R/ |
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& pReleaseTransX, pReleaseTransY |
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_RL pReleaseTransX (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL pReleaseTransY (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#endif |
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#ifdef USE_OLD_EXTERNAL_FORCING |
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COMMON /DYNVARS_OLD/ |
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& gT, gS |
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_RL gT(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif |
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COMMON /DYNVARS_R_2/ |
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& etaH |
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_RL etaH (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#if (defined (ALLOW_3D_DIFFKR) || defined (ALLOW_DIFFKR_CONTROL)) |
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C diffKr :: full 3D specification of Laplacian diffusion coeff. |
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C for mixing of tracers vertically ( units of r^2/s ) |
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COMMON /DYNVARS_DIFFKR/ |
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& diffKr |
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_RL diffKr (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif |
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C The following blocks containing requires anomaly fields of control vars |
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C and related to Options: |
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C ALLOW_KAPGM_CONTROL , ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL |
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C have been moved to header file "CTRL_FIELDS.h" |
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#ifdef ALLOW_BL79_LAT_VARY |
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C BL79LatArray :: is used for latitudinal dependence of |
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C BryanLewis79 vertical diffusivity |
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COMMON /DYNVARS_BL79LatArray/ BL79LatArray |
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_RL BL79LatArray (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#endif |
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C Diagnostic Variables: |
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C phiHydLow :: Phi-Hydrostatic at r-lower boundary |
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C (bottom in z-coordinates, top in p-coordinates) |
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C totPhiHyd :: total hydrostatic Potential (anomaly, for now), |
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C at cell center level ; includes surface contribution. |
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C (for diagnostic + used in Z-coord with EOS_funct_P) |
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C rhoInSitu :: In-Situ density anomaly [kg/m^3] at cell center level. |
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C hMixLayer :: Mixed layer depth [m] |
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C (for diagnostic + used GMRedi "fm07") |
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C IVDConvCount :: Impl.Vert.Diffusion convection counter: |
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C = 0 (not convecting) or 1 (convecting) |
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COMMON /DYNVARS_DIAG/ |
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& phiHydLow, totPhiHyd, |
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& rhoInSitu, |
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& hMixLayer, IVDConvCount, phiHydLowC |
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_RL phiHydLow(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL phiHydLowC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL totPhiHyd(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL rhoInSitu(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL hMixLayer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL IVDConvCount(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#ifdef ALLOW_SOLVE4_PS_AND_DRAG |
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C Variables for Implicit friction (& vert. visc) in 2-D pressure solver |
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C dU_psFacX :: zonal velocity increment factor from (implicit) surf. |
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C pressure gradient in X (no Units) |
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C dV_psFacY :: merid velocity increment factor from (implicit) surf. |
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C pressure gradient in Y (no Units) |
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COMMON /DYNVARS_DRAG_IN_PS/ |
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& dU_psFacX, dV_psFacY |
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_RL dU_psFacX(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL dV_psFacY(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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#endif /* ALLOW_SOLVE4_PS_AND_DRAG */ |
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