| 1 | MODULE YOPHLC |
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| 2 | |
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| 3 | USE PARKIND1 ,ONLY : JPIM ,JPRB |
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| 4 | |
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| 5 | IMPLICIT NONE |
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| 6 | |
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| 7 | SAVE |
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| 8 | |
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| 9 | ! ----------------------------------------------------------------- |
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| 10 | !* ** *YOPHLC* - SWITCHES FOR SIMPLE PHYSICS |
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| 11 | ! ----------------------------------------------------------------- |
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| 12 | |
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| 13 | ! * E.C.M.W.F. PHYSICS PACKAGE * |
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| 14 | |
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| 15 | REAL(KIND=JPRB) :: ALPHA |
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| 16 | REAL(KIND=JPRB) :: AH0 |
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| 17 | REAL(KIND=JPRB) :: USTARL |
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| 18 | REAL(KIND=JPRB) :: USTARS |
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| 19 | REAL(KIND=JPRB) :: ALANDZ0 |
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| 20 | REAL(KIND=JPRB) :: ASEAZ0 |
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| 21 | LOGICAL :: LSPHLC |
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| 22 | LOGICAL :: LVDFLC |
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| 23 | LOGICAL :: LSDRLC |
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| 24 | LOGICAL :: LCZDEB |
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| 25 | LOGICAL :: LZMCON |
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| 26 | LOGICAL :: LKEXP |
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| 27 | LOGICAL :: LVDFDS |
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| 28 | LOGICAL :: LSDRDS |
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| 29 | ! ------------------------------------------------------------------ |
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| 30 | ! NAME TYPE PURPOSE |
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| 31 | ! ---- : ---- : --------------------------------------------------- |
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| 32 | ! LSPHLC : LOGICAL : SWITCH TO TURN ON THE SIMPLE PHYSICS SCHEME |
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| 33 | ! LVDFLC : LOGICAL : TO TURN ON THE VERTICAL DIFFUSION ON U,V |
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| 34 | ! LVDFDS : LOGICAL : TO TURN ON THE VERT DIFF ALSO ON THE DRY STATIC ENERGY |
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| 35 | ! LSDRLC : LOGICAL : TO TURN ON THE SURFACE DRAG ON U,V |
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| 36 | ! LSDRDS : LOGICAL : TO TURN ON THE SURFACE DRAG ALSO ON THE DRY STATIC ENERGY |
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| 37 | ! LCZDEB : LOGICAL : IF TRUE PRINT VALUES FOR DEBUGGING |
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| 38 | ! LZMCON : LOGICAL : IF TRUE THE VERT DIFF COEFF K IS CONSTANT |
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| 39 | ! LKEXP : LOGICAL : EXPONENTIAL APPROXIMATION OF THE CONSTANT K |
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| 40 | ! ALPHA : REAL : COEFFICIENT FOR THE IMPLICIT TIME STEP SCHEME |
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| 41 | ! AH0 : REAL : REFERENCE HEIGHT FOR CONSTANT VERT DIFF (M) |
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| 42 | ! USTARL : REAL : CONSTANT USTAR OVER LAND (M SEC-1) |
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| 43 | ! USTARS : REAL : CONSTANT USTAR OVER SEA (M SEC-1) |
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| 44 | ! ALANDZ0: REAL : CONSTANT Z0 OVER LAND (M) |
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| 45 | ! ASEAZ0 : REAL : CONSTANT Z0 OVER SEA (M) |
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| 46 | ! NDIFLC : INTEGER : CONTROL DIFFERENT VERT DIFF SCHEMES |
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| 47 | ! - 1: CALL VDIFLCZ (DIRECT+TL+ADJ): |
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| 48 | ! X(T+1)-X(T-1)=K*X(T+1) |
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| 49 | ! K=CONSTANT |
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| 50 | ! - 2: CALL VDIFLCZ1 (DIRECT): |
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| 51 | ! X(T*)-X(T)=K(X(T))*(ALPHA*X(T*)+(1-ALPHA)*X(T)) |
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| 52 | ! DX=X(T*)-X(T) |
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| 53 | ! X(T+1)=X(T-1)+2*DX |
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| 54 | ! ----------------------------------------------------------------- |
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| 55 | END MODULE YOPHLC |
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