1 | MODULE guided_ncar_mod |
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2 | USE icosa |
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3 | PRIVATE |
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4 | |
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5 | REAL(rstd),SAVE :: dt |
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6 | INTEGER,SAVE :: test |
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7 | |
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8 | PUBLIC init_guided, guided |
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9 | |
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10 | CONTAINS |
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11 | |
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12 | |
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13 | SUBROUTINE init_guided(dt_in) |
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14 | IMPLICIT NONE |
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15 | REAL(rstd),INTENT(IN) :: dt_in |
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16 | |
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17 | dt=dt_in |
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18 | test=2 |
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19 | |
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20 | END SUBROUTINE init_guided |
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21 | |
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22 | |
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23 | SUBROUTINE guided(it, f_ps, f_theta_rhodz, f_u, f_q) |
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24 | USE icosa |
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25 | IMPLICIT NONE |
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26 | INTEGER, INTENT(IN) :: it |
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27 | TYPE(t_field),POINTER :: f_ps(:) |
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28 | TYPE(t_field),POINTER :: f_phis(:) |
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29 | TYPE(t_field),POINTER :: f_theta_rhodz(:) |
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30 | TYPE(t_field),POINTER :: f_u(:) |
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31 | TYPE(t_field),POINTER :: f_q(:) |
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32 | |
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33 | REAL(rstd),POINTER :: ue(:,:) |
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34 | INTEGER :: ind |
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35 | |
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36 | DO ind = 1 , ndomain |
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37 | CALL swap_dimensions(ind) |
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38 | CALL swap_geometry(ind) |
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39 | ue = f_u(ind) |
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40 | CALL wind_profile(it,ue) |
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41 | END DO |
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42 | |
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43 | END SUBROUTINE guided |
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44 | |
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45 | |
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46 | SUBROUTINE wind_profile(it,ue) |
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47 | USE icosa |
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48 | IMPLICIT NONE |
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49 | INTEGER,INTENT(IN) :: it |
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50 | REAL(rstd),INTENT(OUT) :: ue(iim*3*jjm,llm) |
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51 | REAL(rstd) :: lon, lat |
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52 | REAL(rstd) :: nx(3),n_norm,Velocity(3,llm) |
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53 | REAL(rstd), PARAMETER :: lon0=3*pi/2,lat0=0.0 |
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54 | REAL(rstd) :: rr1,rr2,bb,cc,aa,hmx |
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55 | REAL(rstd) :: v1(3),v2(3),ny(3) |
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56 | INTEGER :: i,j,n,l |
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57 | REAL(rstd) :: zrl(llm) |
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58 | |
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59 | CALL compute_zrl(zrl) |
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60 | !--------------------------------------------------------- |
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61 | DO l = 1,llm |
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62 | DO j=jj_begin-1,jj_end+1 |
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63 | DO i=ii_begin-1,ii_end+1 |
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64 | n=(j-1)*iim+i |
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65 | CALL compute_velocity(xyz_e(n+u_right,:),l,velocity(:,l)) |
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66 | CALL cross_product2(xyz_v(n+z_rdown,:)/radius,xyz_v(n+z_rup,:)/radius,nx) |
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67 | ue(n+u_right,l)=1e-10 |
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68 | n_norm=sqrt(sum(nx(:)**2)) |
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69 | IF (n_norm>1e-30) THEN |
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70 | nx=-nx/n_norm*ne(n,right) |
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71 | ue(n+u_right,l)=sum(nx(:)*velocity(:,l)) |
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72 | IF (ABS(ue(n+u_right,l))<1e-100) PRINT *,"ue(n+u_right) ==0",i,j,velocity(:,1) |
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73 | ENDIF |
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74 | |
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75 | CALL compute_velocity(xyz_e(n+u_lup,:),l,velocity(:,l)) |
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76 | CALL cross_product2(xyz_v(n+z_up,:)/radius,xyz_v(n+z_lup,:)/radius,nx) |
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77 | |
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78 | ue(n+u_lup,l)=1e-10 |
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79 | n_norm=sqrt(sum(nx(:)**2)) |
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80 | IF (n_norm>1e-30) THEN |
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81 | nx=-nx/n_norm*ne(n,lup) |
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82 | ue(n+u_lup,l)=sum(nx(:)*velocity(:,l)) |
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83 | ENDIF |
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84 | |
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85 | CALL compute_velocity(xyz_e(n+u_ldown,:),l,velocity(:,l)) |
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86 | CALL cross_product2(xyz_v(n+z_ldown,:)/radius,xyz_v(n+z_down,:)/radius,nx) |
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87 | |
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88 | ue(n+u_ldown,l)=1e-10 |
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89 | n_norm=sqrt(sum(nx(:)**2)) |
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90 | IF (n_norm>1e-30) THEN |
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91 | nx=-nx/n_norm*ne(n,ldown) |
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92 | ue(n+u_ldown,l)=sum(nx(:)*velocity(:,l)) |
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93 | IF (ABS(ue(n+u_ldown,l))<1e-100) PRINT *,"ue(n+u_ldown) ==0",i,j |
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94 | ENDIF |
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95 | ENDDO |
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96 | ENDDO |
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97 | END DO |
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98 | |
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99 | CONTAINS |
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100 | |
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101 | SUBROUTINE compute_velocity(x,l,velocity) |
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102 | IMPLICIT NONE |
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103 | REAL(rstd),INTENT(IN) :: x(3) |
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104 | INTEGER,INTENT(IN)::l |
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105 | REAL(rstd),INTENT(OUT) :: velocity(3) |
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106 | REAL(rstd) :: u0 |
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107 | REAL(rstd) :: e_lat(3), e_lon(3) |
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108 | REAL(rstd) :: lon,lat |
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109 | REAL(rstd),PARAMETER::alpha=0.0 |
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110 | REAL(rstd) :: u,v |
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111 | !--------------------------------- test 1 |
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112 | REAL(rstd),parameter:: nday=12,daysec=86400 |
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113 | REAL(rstd),PARAMETER :: tau = nday*daysec |
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114 | REAL(rstd) :: tt, pitbytau,kk |
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115 | !---------------------------------- hadley |
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116 | INTEGER,PARAMETER::K_hadly=5 |
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117 | REAL(rstd),PARAMETER::u0_hadly=40.,w0_hadly=0.25 ,ztop= 12000. |
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118 | REAL(rstd)::coff_hadly |
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119 | |
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120 | |
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121 | tt = it*dt |
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122 | pitbytau = pi*tt/tau |
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123 | kk = 10*radius/tau |
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124 | |
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125 | CALL xyz2lonlat(x/radius,lon,lat) |
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126 | e_lat(1) = -cos(lon)*sin(lat) |
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127 | e_lat(2) = -sin(lon)*sin(lat) |
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128 | e_lat(3) = cos(lat) |
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129 | |
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130 | e_lon(1) = -sin(lon) |
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131 | e_lon(2) = cos(lon) |
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132 | e_lon(3) = 0 |
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133 | |
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134 | u = 0.0 ; v = 0.0 |
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135 | u0 = 2*pi*radius/tau |
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136 | |
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137 | SELECT CASE(test) |
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138 | CASE(0) |
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139 | u=u0*(cos(lat)*cos(alpha)+sin(lat)*sin(alpha)*cos(lon)) |
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140 | v=-u0*sin(lon)*sin(alpha) |
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141 | CASE(1) |
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142 | lon = lon - 2*pitbytau |
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143 | u= kk*sin(lon)*sin(lon)*sin(2*lat)*cos(pitbytau)+ u0*cos(lat) |
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144 | v= kk*sin(2*lon)*cos(lat)*cos(pitbytau) |
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145 | CASE(2) |
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146 | coff_hadly = -radius*w0_hadly*pi/(5.0*ztop) |
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147 | u= u0_hadly*cos(lat) |
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148 | v= coff_hadly*cos(lat)*sin(5.*lat)*cos(pi*zrl(l)/ztop)*cos(pitbytau) |
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149 | CASE DEFAULT |
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150 | PRINT*,"not valid choice of wind" |
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151 | END SELECT |
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152 | |
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153 | Velocity(:)=(u*e_lon(:)+v*e_lat(:)+1e-50) |
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154 | |
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155 | END SUBROUTINE compute_velocity |
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156 | |
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157 | SUBROUTINE compute_zrl(zrl) |
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158 | USE disvert_mod |
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159 | IMPLICIT NONE |
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160 | REAL(rstd),INTENT(OUT) :: zrl(llm) |
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161 | INTEGER :: l |
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162 | REAL(rstd) :: zr(llm+1) |
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163 | REAl(rstd) :: pr |
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164 | REAL(rstd), PARAMETER :: T0=300 |
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165 | REAL(rstd), PARAMETER :: R_d=287.0 |
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166 | REAL(rstd), PARAMETER :: ps0=100000.0 |
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167 | |
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168 | |
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169 | DO l = 1, llm+1 |
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170 | pr = ap(l) + bp(l)*ps0 |
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171 | zr(l) = -R_d*T0/g*log(pr/ps0) |
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172 | ENDDO |
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173 | |
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174 | DO l = 1, llm |
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175 | zrl(l) = 0.5*(zr(l) + zr(l+1)) |
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176 | END DO |
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177 | |
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178 | END SUBROUTINE compute_zrl |
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179 | |
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180 | END SUBROUTINE wind_profile |
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181 | |
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182 | |
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183 | END MODULE guided_ncar_mod |
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