 Timestamp:
 20170530T13:17:53+02:00 (4 years ago)
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branches/2016/dev_r6859_LIM3_meltponds/NEMOGCM/NEMO/LIM_SRC_3/limmp.F90
r8085 r8098 83 83 !! 84 84 INTEGER :: ios ! Local integer output status for namelist read 85 NAMELIST/namicemp/ ln_pnd, nn_pnd_scheme, nn_pnd_cpl, rn_apnd 85 NAMELIST/namicemp/ ln_pnd, nn_pnd_scheme, nn_pnd_cpl, rn_apnd, rn_hpnd 86 86 !! 87 87 … … 103 103 WRITE(numout,*)' Type of melt pond coupling =0 pass., =1 full, =2 rad, 3=fw nn_pnd_cpl = ', nn_pnd_cpl 104 104 WRITE(numout,*)' Prescribed pond fraction rn_apnd = ', rn_apnd 105 WRITE(numout,*)' Prescribed pond depth rn_hpnd = ', rn_hpnd 105 106 ENDIF 106 107 107 IF ( ln_pnd == .FALSE.) THEN108 WRITE(numout ) ' Melt ponds are not activated '109 WRITE(numout ) ' nn_pnd_scheme, nn_pnd_cpl and rn_apnd are set to zero '108 IF ( .NOT. ln_pnd ) THEN 109 WRITE(numout,*) ' Melt ponds are not activated ' 110 WRITE(numout,*) ' nn_pnd_scheme, nn_pnd_cpl, rn_apnd and rn_hpnd are set to zero ' 110 111 nn_pnd_scheme = 0 111 112 nn_pnd_cpl = 0 112 113 rn_apnd = 0._wp 114 rn_hpnd = 0._wp 113 115 ENDIF 116 114 117 ! 115 118 END SUBROUTINE lim_mp_init 116 119 117 120 118 121 … … 142 145 SELECT CASE ( nn_pnd_scheme ) 143 146 147 CASE (0) 148 149 CALL lim_mp_cstt ! staircase melt ponds 150 144 151 CASE (1) 145 152 146 CALL lim_mp_cesm ! empirical melt ponds153 CALL lim_mp_cesm ! empirical melt ponds 147 154 148 155 CASE (2) 149 156 150 CALL lim_mp_topo (at_i, a_i, & 151 & vt_i, v_i, v_s, t_i, s_i, a_ip_frac, & 157 CALL lim_mp_topo & ! topographic melt ponds 158 & (at_i, a_i, & 159 & vt_i, v_i, v_s, t_i, s_i, a_ip_frac, & 152 160 & h_ip, t_su) 153 161 … … 162 170 END SUBROUTINE lim_mp 163 171 164 172 SUBROUTINE lim_mp_cstt 173 !! 174 !! *** ROUTINE lim_mp_cstt *** 175 !! 176 !! ** Purpose : Compute melt pond evolution 177 !! 178 !! ** Method : Melt pond fraction and thickness are prescribed 179 !! to nonzero values when t_su = 0C 180 !! 181 !! ** Tunable parameters : pond fraction (rn_apnd), pond depth (rn_hpnd) 182 !! 183 !! ** Note : Coupling with such melt ponds is only radiative 184 !! Advection, ridging, rafting... are bypassed 185 !! 186 !! ** References : Bush, G.W., and Trump, D.J. (2017) 187 !! 188 !! 189 INTEGER :: ji, jj, jl 190 REAL(wp) :: z1_jpl ! 1/jpl 191 !! 192 193 z1_jpl = 1. / FLOAT(jpl) 194 195 WHERE ( ( a_i > epsi10 ) .AND. ( t_su >= rt0epsi06 ) ) 196 a_ip = rn_apnd * z1_jpl 197 h_ip = rn_hpnd 198 v_ip = a_ip * h_ip 199 a_ip_frac = a_ip / a_i 200 ELSE WHERE 201 a_ip = 0._wp 202 h_ip = 0._wp 203 v_ip = 0._wp 204 a_ip_frac = 0._wp 205 END WHERE 206 207 wfx_pnd(:,:) = 0._wp 208 209 END SUBROUTINE lim_mp_cstt 165 210 166 211 SUBROUTINE lim_mp_cesm … … 172 217 !! ** Method : Empirical method. A fraction of meltwater is accumulated 173 218 !! in pond volume. It is then released exponentially when 174 !! surface is freezing Accumulation of meltwater and exponential release219 !! surface is freezing. 175 220 !! 176 !! ** Tunable parameters : 177 !! 221 !! ** Tunable parameters : (no expertise yet) 178 222 !! 179 223 !! ** Note : Stolen from CICE for quick test of the melt pond 180 224 !! radiation and freshwater interfaces 225 !! Coupling can be radiative AND freshwater 226 !! Advection, ridging, rafting are called 181 227 !! 182 228 !! ** References : Holland, M. M. et al (J Clim 2012)
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