1 | SUBROUTINE ana_smflux (ng, tile, model)
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2 | !
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3 | !! svn $Id: ana_smflux.h 34 2007-04-27 04:40:21Z arango $
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4 | !!======================================================================
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5 | !! Copyright (c) 2002-2007 The ROMS/TOMS Group !
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6 | !! Licensed under a MIT/X style license !
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7 | !! See License_ROMS.txt !
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8 | !! !
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9 | !=======================================================================
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10 | ! !
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11 | ! This routine sets kinematic surface momentum flux (wind stress) !
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12 | ! "sustr" and "svstr" (m2/s2) using an analytical expression. !
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13 | ! !
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14 | !=======================================================================
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15 | !
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16 | USE mod_param
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17 | USE mod_forces
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18 | USE mod_grid
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19 | USE mod_ncparam
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20 | !
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21 | ! Imported variable declarations.
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22 | !
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23 | integer, intent(in) :: ng, tile, model
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24 |
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25 | #include "tile.h"
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26 | !
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27 | CALL ana_smflux_tile (ng, model, Istr, Iend, Jstr, Jend, &
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28 | & LBi, UBi, LBj, UBj, &
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29 | & GRID(ng) % angler, &
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30 | #ifdef SPHERICAL
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31 | & GRID(ng) % lonr, &
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32 | & GRID(ng) % latr, &
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33 | #else
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34 | & GRID(ng) % xr, &
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35 | & GRID(ng) % yr, &
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36 | #endif
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37 | #ifdef TL_IOMS
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38 | & FORCES(ng) % tl_sustr, &
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39 | & FORCES(ng) % tl_svstr, &
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40 | #endif
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41 | & FORCES(ng) % sustr, &
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42 | & FORCES(ng) % svstr)
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43 | !
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44 | ! Set analytical header file name used.
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45 | !
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46 | IF (Lanafile) THEN
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47 | ANANAME(24)='ROMS/Functionals/ana_smflux.h'
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48 | END IF
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49 |
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50 | RETURN
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51 | END SUBROUTINE ana_smflux
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52 | !
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53 | !***********************************************************************
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54 | SUBROUTINE ana_smflux_tile (ng, model, Istr, Iend, Jstr, Jend, &
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55 | & LBi, UBi, LBj, UBj, &
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56 | & angler, &
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57 | #ifdef SPHERICAL
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58 | & lonr, latr, &
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59 | #else
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60 | & xr, yr, &
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61 | #endif
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62 | #ifdef TL_IOMS
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63 | & tl_sustr, tl_svstr, &
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64 | #endif
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65 | & sustr, svstr)
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66 | !***********************************************************************
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67 | !
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68 | USE mod_param
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69 | USE mod_scalars
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70 | !
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71 | #if defined EW_PERIODIC || defined NS_PERIODIC
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72 | USE exchange_2d_mod
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73 | #endif
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74 | #ifdef DISTRIBUTE
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75 | USE mp_exchange_mod, ONLY : mp_exchange2d
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76 | #endif
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77 | !
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78 | ! Imported variable declarations.
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79 | !
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80 | integer, intent(in) :: ng, model, Iend, Istr, Jend, Jstr
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81 | integer, intent(in) :: LBi, UBi, LBj, UBj
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82 | !
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83 | #ifdef ASSUMED_SHAPE
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84 | real(r8), intent(in) :: angler(LBi:,LBj:)
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85 | # ifdef SPHERICAL
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86 | real(r8), intent(in) :: lonr(LBi:,LBj:)
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87 | real(r8), intent(in) :: latr(LBi:,LBj:)
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88 | # else
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89 | real(r8), intent(in) :: xr(LBi:,LBj:)
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90 | real(r8), intent(in) :: yr(LBi:,LBj:)
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91 | # endif
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92 | real(r8), intent(out) :: sustr(LBi:,LBj:)
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93 | real(r8), intent(out) :: svstr(LBi:,LBj:)
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94 | # ifdef TL_IOMS
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95 | real(r8), intent(out) :: tl_sustr(LBi:,LBj:)
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96 | real(r8), intent(out) :: tl_svstr(LBi:,LBj:)
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97 | # endif
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98 | #else
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99 | real(r8), intent(in) :: angler(LBi:UBi,LBj:UBj)
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100 | # ifdef SPHERICAL
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101 | real(r8), intent(in) :: lonr(LBi:UBi,LBj:UBj)
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102 | real(r8), intent(in) :: latr(LBi:UBi,LBj:UBj)
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103 | # else
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104 | real(r8), intent(in) :: xr(LBi:UBi,LBj:UBj)
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105 | real(r8), intent(in) :: yr(LBi:UBi,LBj:UBj)
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106 | # endif
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107 | real(r8), intent(out) :: sustr(LBi:UBi,LBj:UBj)
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108 | real(r8), intent(out) :: svstr(LBi:UBi,LBj:UBj)
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109 | # ifdef TL_IOMS
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110 | real(r8), intent(out) :: tl_sustr(LBi:UBi,LBj:UBj)
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111 | real(r8), intent(out) :: tl_svstr(LBi:UBi,LBj:UBj)
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112 | # endif
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113 | #endif
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114 | !
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115 | ! Local variable declarations.
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116 | !
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117 | #ifdef DISTRIBUTE
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118 | # ifdef EW_PERIODIC
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119 | logical :: EWperiodic=.TRUE.
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120 | # else
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121 | logical :: EWperiodic=.FALSE.
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122 | # endif
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123 | # ifdef NS_PERIODIC
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124 | logical :: NSperiodic=.TRUE.
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125 | # else
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126 | logical :: NSperiodic=.FALSE.
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127 | # endif
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128 | #endif
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129 | integer :: IstrR, IendR, JstrR, JendR, IstrU, JstrV
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130 | integer :: i, j
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131 | real(r8) :: Ewind, Nwind, cff, val1, val2, windamp, winddir
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132 | #if defined LAKE_SIGNELL
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133 | real(r8) :: cff1, mxst, ramp_u, ramp_time, ramp_d
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134 | #endif
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135 |
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136 | #include "set_bounds.h"
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137 | !
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138 | !-----------------------------------------------------------------------
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139 | ! Set kinematic surface momentum flux (wind stress) component in the
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140 | ! XI-direction (m2/s2) at horizontal U-points.
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141 | !-----------------------------------------------------------------------
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142 | !
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143 | #ifdef BASIN
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144 | val1=5.0E-05_r8*(1.0_r8+TANH((time(ng)-6.0_r8*86400.0_r8)/ &
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145 | & (3.0_r8*86400.0_r8)))
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146 | val2=2.0_r8*pi/el(ng)
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147 | DO j=JstrR,JendR
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148 | DO i=Istr,IendR
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149 | sustr(i,j)=-val1*COS(val2*yr(i,j))
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150 | # ifdef TL_IOMS
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151 | tl_sustr(i,j)=-val1*COS(val2*yr(i,j))
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152 | # endif
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153 | END DO
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154 | END DO
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155 | #elif defined BL_TEST
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156 | Ewind=0.0_r8/rho0
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157 | Nwind=0.3_r8/rho0
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158 | DO j=JstrR,JendR
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159 | DO i=IstrR,IendR
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160 | sustr(i,j)=Ewind
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161 | # ifdef TL_IOMS
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162 | tl_sustr(i,j)=Ewind
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163 | # endif
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164 | END DO
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165 | END DO
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166 | #elif defined CANYON
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167 | DO j=JstrR,JendR
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168 | DO i=Istr,IendR
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169 | sustr(i,j)=5.0E-05_r8*SIN(2.0_r8*pi*tdays(ng)/10.0_r8)* &
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170 | & (1.0_r8-TANH((yr(i,j)-0.5_r8*el(ng))/10000.0_r8))
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171 | # ifdef TL_IOMS
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172 | tl_sustr(i,j)=5.0E-05_r8*SIN(2.0_r8*pi*tdays(ng)/10.0_r8)* &
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173 | & (1.0_r8-TANH((yr(i,j)-0.5_r8*el(ng))/10000.0_r8))
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174 | # endif
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175 | END DO
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176 | END DO
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177 | #elif defined CHANNEL_NECK
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178 | !! IF ((tdays(ng)-dstart).le.4.0_r8) THEN
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179 | !! windamp=-0.01_r8*SIN(pi*(tdays(ng)-dstart)/8.0_r8)/rho0
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180 | !! ELSE
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181 | windamp=-0.01_r8/rho0
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182 | !! END IF
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183 | DO j=JstrR,JendR
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184 | DO i=Istr,IendR
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185 | sustr(i,j)=windamp
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186 | # ifdef TL_IOMS
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187 | tl_sustr(i,j)=windamp
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188 | # endif
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189 | END DO
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190 | END DO
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191 | #elif defined MIXED_LAYER
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192 | DO j=JstrR,JendR
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193 | DO i=Istr,IendR
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194 | sustr(i,j)=0.0001_r8 ! m2/s2
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195 | # ifdef TL_IOMS
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196 | tl_sustr(i,j)=0.0001_r8 ! m2/s2
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197 | # endif
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198 | END DO
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199 | END DO
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200 | #elif defined DOUBLE_GYRE
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201 | !! windamp=user(1)/rho0
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202 | windamp=-0.05_r8/rho0
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203 | val1=2.0_r8*pi/el(ng)
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204 | DO j=JstrR,JendR
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205 | DO i=Istr,IendR
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206 | sustr(i,j)=windamp*COS(val1*yr(i,j))
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207 | # ifdef TL_IOMS
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208 | tl_sustr(i,j)=windamp*COS(val1*yr(i,j))
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209 | # endif
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210 | END DO
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211 | END DO
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212 | #elif defined FLT_TEST
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213 | DO j=JstrR,JendR
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214 | DO i=Istr,IendR
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215 | sustr(i,j)=1.0E-03_r8
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216 | # ifdef TL_IOMS
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217 | tl_sustr(i,j)=1.0E-03_r8
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218 | # endif
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219 | END DO
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220 | END DO
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221 | #elif defined LAKE_SIGNELL
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222 | mxst=0.2500_r8 ! N/m2
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223 | ramp_u=15.0_r8 ! start ramp UP at RAMP_UP hours
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224 | ramp_time=10.0_r8 ! ramp from 0 to 1 over RAMP_TIME hours
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225 | ramp_d=50.0_r8 ! start ramp DOWN at RAMP_DOWN hours
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226 | DO j=JstrR,JendR
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227 | DO i=Istr,IendR
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228 | cff1=MIN((0.5_r8*(TANH((time(ng)/3600.0_r8-ramp_u)/ &
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229 | & (ramp_time/5.0_r8))+1.0_r8)), &
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230 | & (1.0_r8-(0.5_r8*(TANH((time(ng)/3600.0_r8-ramp_d)/ &
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231 | & (ramp_time/5.0_r8))+1.0_r8))))
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232 | sustr(i,j)=mxst/rho0*cff1
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233 | # ifdef TL_IOMS
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234 | tl_sustr(i,j)=mxst/rho0*cff1
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235 | # endif
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236 | END DO
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237 | END DO
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238 | #elif defined LMD_TEST
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239 | IF (time(ng).le.57600.0_r8) THEN
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240 | windamp=-0.6_r8*SIN(pi*time(ng)/57600.0_r8)* &
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241 | & SIN(2.0_r8*pi/57600.0_r8)/rho0
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242 | ELSE
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243 | windamp=0.0_r8
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244 | END IF
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245 | DO j=JstrR,JendR
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246 | DO i=Istr,IendR
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247 | sustr(i,j)=windamp
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248 | # ifdef TL_IOMS
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249 | tl_sustr(i,j)=windamp
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250 | # endif
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251 | END DO
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252 | END DO
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253 | #elif defined NJ_BIGHT
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254 | !! windamp=0.086824313_r8
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255 | !! winddir=0.5714286_r8
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256 | !! if ((tdays(ng)-dstart).le.0.5_r8) then
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257 | !! Ewind=windamp*winddir*SIN(pi*(tdays(ng)-dstart))/rho0
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258 | !! Nwind=windamp*SIN(pi*(tdays(ng)-dstart))/rho0
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259 | !! else
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260 | !! Ewind=windamp*winddir/rho0
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261 | !! Nwind=windamp/rho0
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262 | !! endif
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263 | IF ((tdays(ng)-dstart).le.3.0_r8) THEN
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264 | winddir=60.0_r8
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265 | windamp=0.1_r8
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266 | ELSE IF (((tdays(ng)-dstart).gt.3.0_r8).and. &
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267 | & ((tdays(ng)-dstart).le.4.0_r8)) THEN
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268 | winddir= 60.0_r8*((tdays(ng)-dstart)-2.0_r8)- &
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269 | & 120.0_r8*((tdays(ng)-dstart)-2.0_r8)
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270 | windamp=0.0_r8
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271 | ELSE
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272 | winddir=-120.0_r8
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273 | windamp=0.0_r8
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274 | END IF
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275 | Ewind=windamp*COS(pi*winddir/180.0_r8)/rho0
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276 | Nwind=windamp*SIN(pi*winddir/180.0_r8)/rho0
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277 | DO j=JstrR,JendR
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278 | DO i=Istr,IendR
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279 | val1=0.5_r8*(angler(i-1,j)+angler(i,j))
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280 | sustr(i,j)=Ewind*COS(val1)+Nwind*SIN(val1)
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281 | # ifdef TL_IOMS
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282 | tl_sustr(i,j)=Ewind*COS(val1)+Nwind*SIN(val1)
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283 | # endif
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284 | END DO
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285 | END DO
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286 | #elif defined SED_TOY
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287 | DO j=JstrR,JendR
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288 | DO i=Istr,IendR
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289 | cff=0.0001_r8
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290 | IF (time(ng).gt.3000.0_r8) THEN
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291 | cff=0.0_r8
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292 | END IF
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293 | sustr(i,j)=cff
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294 | # ifdef TL_IOMS
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295 | tl_sustr(i,j)=cff
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296 | # endif
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297 | END DO
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298 | END DO
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299 | #elif defined SHOREFACE
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300 | DO j=JstrR,JendR
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301 | DO i=Istr,IendR
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302 | sustr(i,j)=0.0_r8
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303 | # ifdef TL_IOMS
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304 | tl_sustr(i,j)=0.0_r8
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305 | # endif
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306 | END DO
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307 | END DO
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308 | #elif defined UPWELLING
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309 | IF ((tdays(ng)-dstart).le.2.0_r8) THEN
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310 | windamp=-0.1_r8*SIN(pi*(tdays(ng)-dstart)/4.0_r8)/rho0
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311 | ELSE
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312 | windamp=-0.1_r8/rho0
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313 | END IF
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314 | DO j=JstrR,JendR
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315 | DO i=Istr,IendR
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316 | sustr(i,j)=windamp
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317 | # ifdef TL_IOMS
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318 | tl_sustr(i,j)=windamp
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319 | # endif
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320 | END DO
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321 | END DO
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322 | #elif defined WINDBASIN
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323 | IF ((tdays(ng)-dstart).le.2.0_r8) THEN
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324 | windamp=-0.1_r8*SIN(pi*(tdays(ng)-dstart)/4.0_r8)/rho0
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325 | ELSE
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326 | windamp=-0.1_r8/rho0
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327 | END IF
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328 | DO j=JstrR,JendR
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329 | DO i=Istr,IendR
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330 | sustr(i,j)=windamp
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331 | # ifdef TL_IOMS
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332 | tl_sustr(i,j)=windamp
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333 | # endif
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334 | END DO
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335 | END DO
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336 | #else
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337 | DO j=JstrR,JendR
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338 | DO i=Istr,IendR
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339 | sustr(i,j)=0.0_r8
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340 | # ifdef TL_IOMS
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341 | tl_sustr(i,j)=0.0_r8
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342 | # endif
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343 | END DO
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344 | END DO
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345 | #endif
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346 | !
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347 | !-----------------------------------------------------------------------
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348 | ! Set kinematic surface momentum flux (wind stress) component in the
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349 | ! ETA-direction (m2/s2) at horizontal V-points.
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350 | !-----------------------------------------------------------------------
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351 | !
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352 | #if defined BL_TEST
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353 | DO j=JstrR,JendR
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354 | DO i=IstrR,IendR
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355 | svstr(i,j)=Nwind
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356 | # ifdef TL_IOMS
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357 | tl_svstr(i,j)=Nwind
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358 | # endif
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359 | END DO
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360 | END DO
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361 | #elif defined LMD_TEST
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362 | IF (time(ng).le.57600.0_r8) THEN
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363 | windamp=-0.6_r8*SIN(pi*time(ng)/57600.0_r8)* &
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364 | & COS(2.0_r8*pi/57600.0_r8)/rho0
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365 | ELSE
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366 | windamp=0.0_r8
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367 | END IF
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368 | DO j=Jstr,JendR
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369 | DO i=IstrR,IendR
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370 | svstr(i,j)=windamp
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371 | # ifdef TL_IOMS
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372 | tl_svstr(i,j)=windamp
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373 | # endif
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374 | END DO
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375 | END DO
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376 | #elif defined NJ_BIGHT
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377 | DO j=Jstr,JendR
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378 | DO i=IstrR,IendR
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379 | val1=0.5_r8*(angler(i,j)+angler(i,j-1))
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380 | svstr(i,j)=-Ewind*SIN(val1)+Nwind*COS(val1)
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381 | # ifdef TL_IOMS
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382 | tl_svstr(i,j)=-Ewind*SIN(val1)+Nwind*COS(val1)
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383 | # endif
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384 | END DO
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385 | END DO
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386 | #elif defined SED_TOY
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387 | DO j=Jstr,JendR
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388 | DO i=IstrR,IendR
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389 | svstr(i,j)=0.0_r8
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390 | # ifdef TL_IOMS
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391 | tl_svstr(i,j)=0.0_r8
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392 | # endif
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393 | END DO
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394 | END DO
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395 | #elif defined SHOREFACE
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396 | DO j=Jstr,JendR
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397 | DO i=IstrR,IendR
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398 | svstr(i,j)=0.0_r8
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399 | # ifdef TL_IOMS
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400 | tl_svstr(i,j)=0.0_r8
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401 | # endif
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402 | END DO
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403 | END DO
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404 | #else
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405 | DO j=Jstr,JendR
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406 | DO i=IstrR,IendR
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407 | svstr(i,j)=0.0_r8
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408 | # ifdef TL_IOMS
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409 | tl_svstr(i,j)=0.0_r8
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410 | # endif
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411 | END DO
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412 | END DO
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413 | #endif
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414 | #if defined EW_PERIODIC || defined NS_PERIODIC
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415 | CALL exchange_u2d_tile (ng, Istr, Iend, Jstr, Jend, &
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416 | & LBi, UBi, LBj, UBj, &
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417 | & sustr)
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418 | CALL exchange_v2d_tile (ng, Istr, Iend, Jstr, Jend, &
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419 | & LBi, UBi, LBj, UBj, &
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420 | & svstr)
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421 | # ifdef TL_IOMS
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422 | CALL exchange_u2d_tile (ng, Istr, Iend, Jstr, Jend, &
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423 | & LBi, UBi, LBj, UBj, &
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424 | & tl_sustr)
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425 | CALL exchange_v2d_tile (ng, Istr, Iend, Jstr, Jend, &
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426 | & LBi, UBi, LBj, UBj, &
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427 | & tl_svstr)
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428 | # endif
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429 | #endif
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430 | #ifdef DISTRIBUTE
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431 | CALL mp_exchange2d (ng, model, 2, Istr, Iend, Jstr, Jend, &
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432 | & LBi, UBi, LBj, UBj, &
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433 | & NghostPoints, EWperiodic, NSperiodic, &
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434 | & sustr, svstr)
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435 | # ifdef TL_IOMS
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436 | CALL mp_exchange2d (ng, model, 2, Istr, Iend, Jstr, Jend, &
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437 | & LBi, UBi, LBj, UBj, &
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438 | & NghostPoints, EWperiodic, NSperiodic, &
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439 | & tl_sustr, tl_svstr)
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440 | # endif
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441 | #endif
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442 | RETURN
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443 | END SUBROUTINE ana_smflux_tile
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