1 | ! |
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2 | ! $Header: /home/cvsroot/LMDZ4/libf/phylmd/geo2atm.F90,v 1.1 2008-12-05 17:56:40 lsce Exp $ |
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3 | ! |
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4 | SUBROUTINE geo2atm(im, jm, px, py, pz, plon, plat, pu, pv, pr) |
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5 | USE dimphy |
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6 | USE mod_phys_lmdz_para |
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7 | USE mod_grid_phy_lmdz, only: grid_type, unstructured, regular_lonlat |
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8 | USE yomcst_mod_h, ONLY: RPI, RCLUM, RHPLA, RKBOL, RNAVO & |
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9 | , RDAY, REA, REPSM, RSIYEA, RSIDAY, ROMEGA & |
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10 | , R_ecc, R_peri, R_incl & |
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11 | , RA, RG, R1SA & |
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12 | , RSIGMA & |
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13 | , R, RMD, RMV, RD, RV, RCPD & |
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14 | , RMO3, RMCO2, RMC, RMCH4, RMN2O, RMCFC11, RMCFC12 & |
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15 | , RCPV, RCVD, RCVV, RKAPPA, RETV, eps_w & |
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16 | , RCW, RCS & |
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17 | , RLVTT, RLSTT, RLMLT, RTT, RATM & |
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18 | , RESTT, RALPW, RBETW, RGAMW, RALPS, RBETS, RGAMS & |
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19 | , RALPD, RBETD, RGAMD |
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20 | IMPLICIT NONE |
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21 | |
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22 | CHARACTER (len = 6) :: clmodnam |
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23 | CHARACTER (len = 20) :: modname = 'geo2atm' |
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24 | CHARACTER (len = 80) :: abort_message |
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25 | |
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26 | ! Change wind coordinates from cartesian geocentric to local spherical |
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27 | ! NB! Fonctionne probablement uniquement en MPI seul (sans OpenMP) |
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28 | ! |
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29 | ! Geocentric : |
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30 | ! axe x is eastward : crosses (0N,90E) point. |
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31 | ! axe y crosses (0N,180E) point. |
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32 | ! axe z is 'up' : crosses north pole. |
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33 | ! |
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34 | ! NB! Aux poles, fonctionne probablement uniquement en MPI seul (sans OpenMP) |
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35 | |
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36 | INTEGER, INTENT (IN) :: im, jm |
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37 | REAL, DIMENSION (im,jm), INTENT(IN) :: px, py, pz |
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38 | REAL, DIMENSION (im,jm), INTENT(IN) :: plon, plat |
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39 | REAL, DIMENSION (im,jm), INTENT(OUT) :: pu, pv, pr |
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40 | |
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41 | REAL :: rad,reps |
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42 | |
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43 | |
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44 | rad = rpi / 180.0E0 |
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45 | reps = 1.0e-5 |
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46 | |
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47 | pu(:,:) = & |
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48 | - px(:,:) * SIN(rad * plon(:,:)) & |
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49 | + py(:,:) * COS(rad * plon(:,:)) |
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50 | |
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51 | pv(:,:) = & |
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52 | - px(:,:) * SIN(rad * plat(:,:)) * COS(rad * plon(:,:)) & |
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53 | - py(:,:) * SIN(rad * plat(:,:)) * SIN(rad * plon(:,:)) & |
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54 | + pz(:,:) * COS(rad * plat(:,:)) |
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55 | |
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56 | pr(:,:) = & |
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57 | + px(:,:) * COS(rad * plat(:,:)) * COS(rad * plon(:,:)) & |
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58 | + py(:,:) * COS(rad * plat(:,:)) * SIN(rad * plon(:,:)) & |
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59 | + pz(:,:) * SIN(rad * plat(:,:)) |
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60 | |
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61 | IF (grid_type==regular_lonlat) THEN |
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62 | ! Value at North Pole |
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63 | IF (is_north_pole_dyn) THEN |
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64 | pu(:, 1) = -px (1,1) |
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65 | pv(:, 1) = -py (1,1) |
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66 | pr(:, 1) = 0.0 |
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67 | ENDIF |
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68 | |
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69 | ! Value at South Pole |
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70 | IF (is_south_pole_dyn) THEN |
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71 | pu(:,jm) = -px (1,jm) |
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72 | pv(:,jm) = -py (1,jm) |
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73 | pr(:,jm) = 0.0 |
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74 | ENDIF |
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75 | |
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76 | ELSE IF (grid_type==unstructured) THEN |
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77 | ! Pole nord pour Dynamico |
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78 | WHERE ( plat(:,:) >= 90.0-reps ) |
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79 | pu(:,:) = py(:,:) |
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80 | pv(:,:) = -px(:,:) |
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81 | pr(:,:) = 0.0e0 |
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82 | END WHERE |
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83 | |
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84 | ELSE |
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85 | abort_message='Problem: unknown grid type' |
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86 | CALL abort_physic(modname,abort_message,1) |
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87 | END IF |
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88 | |
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89 | |
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90 | |
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91 | |
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92 | END SUBROUTINE geo2atm |
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