[38] | 1 | SUBROUTINE SUGWD(NLEV,PSIG) |
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| 2 | C |
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| 3 | C**** *SUGWD* INITIALIZE COMMON YOEGWD CONTROLLING GRAVITY WAVE DRAG |
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| 4 | C |
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| 5 | C PURPOSE. |
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| 6 | C -------- |
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| 7 | C INITIALIZE YOEGWD, THE COMMON THAT CONTROLS THE |
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| 8 | C GRAVITY WAVE DRAG PARAMETRIZATION. |
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| 9 | C |
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| 10 | C EXPLICIT ARGUMENTS : |
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| 11 | C -------------------- |
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| 12 | C |
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| 13 | C INPUT : |
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| 14 | C |
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| 15 | C PSIG : VERTICAL COORDINATE TABLE |
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| 16 | C NLEV : NUMBER OF MODEL LEVELS |
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| 17 | C |
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| 18 | C OUTPUT : |
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| 19 | C |
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| 20 | C NONE |
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| 21 | C |
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| 22 | C IMPLICIT ARGUMENTS : |
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| 23 | C -------------------- |
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| 24 | C COMMON YOEGWD |
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| 25 | C |
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| 26 | C METHOD. |
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| 27 | C ------- |
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| 28 | C SEE DOCUMENTATION |
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| 29 | C |
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| 30 | C EXTERNALS. |
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| 31 | C ---------- |
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| 32 | C NONE |
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| 33 | C |
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| 34 | C REFERENCE. |
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| 35 | C ---------- |
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| 36 | C ECMWF Research Department documentation of the IFS |
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| 37 | C |
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| 38 | C AUTHOR. |
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| 39 | C ------- |
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| 40 | C MARTIN MILLER *ECMWF* |
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| 41 | C |
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| 42 | C MODIFICATIONS. |
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| 43 | C -------------- |
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| 44 | C ORIGINAL : 90-01-01 |
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| 45 | C ------------------------------------------------------------------ |
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| 46 | implicit none |
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| 47 | C |
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| 48 | C ----------------------------------------------------------------- |
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| 49 | c !-*- include 'yoegwd.h' |
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| 50 | #include "yoegwd.h" |
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| 51 | c !-*- |
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| 52 | C ---------------------------------------------------------------- |
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| 53 | C |
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| 54 | integer nlev |
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| 55 | REAL PSIG(NLEV+1) |
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| 56 | |
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| 57 | real zsigt,zpr,zpm1r |
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| 58 | integer jk |
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| 59 | C |
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| 60 | C * 1. SET THE VALUES OF THE PARAMETERS |
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| 61 | C -------------------------------- |
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| 62 | C |
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| 63 | 100 CONTINUE |
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| 64 | C |
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| 65 | c PRINT *,' Dans sugwd nlev=',NLEV,' SIG=',PSIG |
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| 66 | GHMAX=10000. |
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| 67 | C |
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| 68 | c old ZSIGT=0.94 |
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| 69 | c old ZPR=80000. |
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| 70 | ZSIGT=0.85 |
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| 71 | ZPR=100000. |
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| 72 | C |
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| 73 | DO 110 JK=1,NLEV-1 |
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| 74 | ZPM1R=0.5*ZPR*(PSIG(JK)+PSIG(JK+1)) |
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| 75 | IF((ZPM1R/ZPR).GE.ZSIGT)THEN |
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| 76 | NKTOPG=JK |
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| 77 | ENDIF |
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| 78 | 110 CONTINUE |
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| 79 | WRITE(*,*) 'In sugwd NKTOPG=',NKTOPG |
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| 80 | C |
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| 81 | GSIGCR=0.80 |
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| 82 | C |
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| 83 | GKDRAG= 0.1 ! used to be 0.1 for mcd Version 1 and 2 (before 10/2000) |
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| 84 | GRCRIT=0.25 |
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| 85 | GFRCRIT=1.0 |
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| 86 | GKWAKE=1.0 |
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| 87 | |
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| 88 | C |
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| 89 | GKDRAGL=4.*GKDRAG |
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| 90 | GRAHILO=1. |
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| 91 | GVCRIT =0.0 |
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| 92 | C |
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| 93 | C |
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| 94 | C ---------------------------------------------------------------- |
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| 95 | C |
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| 96 | C * 2. SET VALUES OF SECURITY PARAMETERS |
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| 97 | C --------------------------------- |
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| 98 | C |
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| 99 | 200 CONTINUE |
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| 100 | C |
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| 101 | GVSEC=0.10 |
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| 102 | GSSEC=1.E-12 |
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| 103 | C |
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| 104 | GTSEC=1.E-07 |
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| 105 | C |
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| 106 | C ---------------------------------------------------------------- |
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| 107 | C |
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| 108 | RETURN |
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| 109 | END |
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