| 1 | c----- This subroutine calculates the sedimentation flux of Tracers |
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| 2 | c |
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| 3 | SUBROUTINE sediment_mod(t_seri,pplay,zrho,paprs,time_step,RHcl, |
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| 4 | . id_coss,id_codu,id_scdu, |
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| 5 | . ok_chimeredust, |
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| 6 | . sed_ss,sed_dust,sed_dustsco,tr_seri) |
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| 7 | cnhl . xlon,xlat, |
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| 8 | c |
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| 9 | USE dimphy |
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| 10 | USE infotrac |
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| 11 | IMPLICIT NONE |
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| 12 | c |
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| 13 | #include "dimensions.h" |
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| 14 | #include "chem.h" |
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| 15 | c #include "dimphy.h" |
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| 16 | #include "YOMCST.h" |
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| 17 | #include "YOECUMF.h" |
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| 18 | c |
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| 19 | REAL RHcl(klon,klev) ! humidite relative ciel clair |
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| 20 | REAL tr_seri(klon, klev,nbtr) !conc of tracers |
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| 21 | REAL sed_ss(klon) !sedimentation flux of Sea Salt (g/m2/s) |
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| 22 | REAL sed_dust(klon) !sedimentation flux of dust (g/m2/s) |
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| 23 | REAL sed_dustsco(klon) !sedimentation flux of scoarse dust (g/m2/s) |
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| 24 | REAL t_seri(klon, klev) !Temperature at mid points of Z (K) |
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| 25 | REAL v_dep_ss(klon,klev) ! sed. velocity for SS m/s |
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| 26 | REAL v_dep_dust(klon,klev) ! sed. velocity for dust m/s |
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| 27 | REAL v_dep_dustsco(klon,klev) ! sed. velocity for dust m/s |
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| 28 | REAL pplay(klon, klev) !pressure at mid points of Z (Pa) |
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| 29 | REAL zrho(klon, klev) !Density of air at mid points of Z (kg/m3) |
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| 30 | REAL paprs(klon, klev+1) !pressure at interface of layers Z (Pa) |
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| 31 | REAL time_step !time step (sec) |
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| 32 | LOGICAL ok_chimeredust |
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| 33 | REAL xlat(klon) ! latitudes pour chaque point |
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| 34 | REAL xlon(klon) ! longitudes pour chaque point |
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| 35 | INTEGER id_coss,id_codu,id_scdu |
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| 36 | c |
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| 37 | c------local variables |
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| 38 | c |
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| 39 | INTEGER i, k, nbre_RH |
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| 40 | PARAMETER(nbre_RH=12) |
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| 41 | c |
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| 42 | REAL lambda, ss_g |
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| 43 | REAL mmd_ss !mass median diameter of SS (um) |
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| 44 | REAL mmd_dust !mass median diameter of dust (um) |
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| 45 | REAL mmd_dustsco !mass median diameter of scoarse dust (um) |
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| 46 | REAL rho_ss(nbre_RH),rho_ss1 !density of sea salt (kg/m3) |
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| 47 | REAL rho_dust !density of dust(kg/m3) |
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| 48 | REAL v_stokes, CC, v_sed, ss_growth_f(nbre_RH) |
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| 49 | REAL sed_flux(klon,klev) ! sedimentation flux g/m2/s |
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| 50 | REAL air_visco(klon,klev) |
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| 51 | REAL zdz(klon,klev) ! layers height (m) |
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| 52 | REAL temp ! temperature in degree Celius |
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| 53 | c |
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| 54 | INTEGER RH_num |
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| 55 | REAL RH_MAX, DELTA, rh, RH_tab(nbre_RH) |
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| 56 | PARAMETER (RH_MAX=95.) |
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| 57 | c |
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| 58 | DATA RH_tab/0.,10.,20.,30.,40.,50.,60.,70.,80.,85.,90.,95./ |
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| 59 | c |
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| 60 | c |
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| 61 | DATA rho_ss/2160. ,2160. ,2160., 2160, 1451.6, 1367.9, |
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| 62 | . 1302.9,1243.2,1182.7, 1149.5,1111.6, 1063.1/ |
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| 63 | c |
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| 64 | DATA ss_growth_f/0.503, 0.503, 0.503, 0.503, 0.724, 0.782, |
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| 65 | . 0.838, 0.905, 1.000, 1.072, 1.188, 1.447/ |
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| 66 | c |
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| 67 | c |
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| 68 | mmd_ss=12.7 !dia -um at 80% for bin 0.5-20 um but 90% of real mmd |
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| 69 | ! obsolete mmd_dust=2.8 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 70 | ! 4tracer SPLA: mmd_dust=11.0 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 71 | !3days mmd_dust=3.333464 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 72 | !3days mmd_dustsco=12.91315 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 73 | !JE20140911 mmd_dust=3.002283 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 74 | !JE20140911 mmd_dustsco=13.09771 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 75 | !JE20140911 mmd_dust=5.156346 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 76 | !JE20140911 mmd_dustsco=15.56554 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 77 | IF (ok_chimeredust) THEN |
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| 78 | !JE20150212<< : changes in ustar in dustmod changes emission distribution |
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| 79 | ! mmd_dust=3.761212 !micrometer for bin 0.5-3 and 0.5-10 um |
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| 80 | ! mmd_dustsco=15.06167 !micrometer for bin 3-20 and 0.5-10 um |
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| 81 | !JE20150212>> |
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| 82 | !JE20150618: Change in div3 of dustmod changes distribution. now is div3=6 |
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| 83 | !div=3 mmd_dust=3.983763 |
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| 84 | !div=3 mmd_dustsco=15.10854 |
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| 85 | mmd_dust=3.898047 |
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| 86 | mmd_dustsco=15.06167 |
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| 87 | ELSE |
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| 88 | mmd_dust=11.0 !micrometer for bin 0.5-20 and 0.5-10 um |
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| 89 | mmd_dustsco=100. ! absurd value, bin not used in this scheme |
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| 90 | ENDIF |
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| 91 | |
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| 92 | |
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| 93 | rho_dust=2600. !kg/m3 |
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| 94 | c |
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| 95 | c--------- Air viscosity (poise=0.1 kg/m-sec)----------- |
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| 96 | c |
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| 97 | DO k=1, klev |
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| 98 | DO i=1, klon |
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| 99 | c |
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| 100 | zdz(i,k)=(paprs(i,k)-paprs(i,k+1))/zrho(i,k)/RG |
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| 101 | c |
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| 102 | temp=t_seri(i,k)-RTT |
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| 103 | c |
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| 104 | IF (temp.LT.0.) THEN |
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| 105 | air_visco(i,k)=(1.718+0.0049*temp-1.2e-5*temp*temp)*1.e-4 |
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| 106 | ELSE |
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| 107 | air_visco(i,k)=(1.718+0.0049*temp)*1.e-4 |
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| 108 | ENDIF |
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| 109 | c |
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| 110 | ENDDO |
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| 111 | ENDDO |
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| 112 | c |
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| 113 | c--------- for Sea Salt ------------------- |
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| 114 | c |
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| 115 | c |
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| 116 | c |
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| 117 | IF(id_coss>0) THEN |
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| 118 | DO k=1, klev |
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| 119 | DO i=1,klon |
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| 120 | c |
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| 121 | c---cal. correction factor hygroscopic growth of aerosols |
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| 122 | c |
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| 123 | rh=MIN(RHcl(i,k)*100.,RH_MAX) |
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| 124 | RH_num = INT( rh/10. + 1.) |
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| 125 | IF (rh.gt.85.) RH_num=10 |
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| 126 | IF (rh.gt.90.) RH_num=11 |
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| 127 | DELTA=(rh-RH_tab(RH_num))/(RH_tab(RH_num+1)-RH_tab(RH_num)) |
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| 128 | c |
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| 129 | ss_g=ss_growth_f(rh_num) + |
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| 130 | . DELTA*(ss_growth_f(RH_num+1)-ss_growth_f(RH_num)) |
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| 131 | |
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| 132 | rho_ss1=rho_ss(rh_num) + |
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| 133 | . DELTA*(rho_ss(RH_num+1)-rho_ss(RH_num)) |
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| 134 | c |
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| 135 | v_stokes=RG*(rho_ss1-zrho(i,k))* !m/sec |
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| 136 | . (mmd_ss*ss_g)*(mmd_ss*ss_g)* |
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| 137 | . 1.e-12/(18.0*air_visco(i,k)/10.) |
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| 138 | c |
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| 139 | lambda=6.6*1.e-8*(103125/pplay(i,k))*(t_seri(i,k)/293.15) |
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| 140 | c |
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| 141 | CC=1.0+1.257*lambda/(mmd_ss*ss_g)/1.e6 ! C-correction factor |
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| 142 | c |
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| 143 | v_sed=v_stokes*CC ! m/sec !orig |
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| 144 | c |
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| 145 | c---------check for v_sed*dt<zdz |
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| 146 | c |
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| 147 | IF (v_sed*time_step.GT.zdz(i,k)) THEN |
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| 148 | v_sed=zdz(i,k)/time_step |
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| 149 | ENDIF |
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| 150 | c |
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| 151 | v_dep_ss(i,k)=v_sed |
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| 152 | sed_flux(i,k)=tr_seri(i,k,id_coss)*v_sed !g/cm3.m/sec |
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| 153 | c |
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| 154 | ENDDO !klon |
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| 155 | ENDDO !klev |
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| 156 | c |
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| 157 | DO k=1, klev |
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| 158 | DO i=1, klon |
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| 159 | tr_seri(i,k,id_coss)=tr_seri(i,k,id_coss)- |
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| 160 | . sed_flux(i,k)*time_step/zdz(i,k) !orig |
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| 161 | ENDDO !klon |
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| 162 | ENDDO !klev |
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| 163 | c |
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| 164 | DO k=1, klev-1 |
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| 165 | DO i=1, klon |
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| 166 | tr_seri(i,k,id_coss)=tr_seri(i,k,id_coss) + !orig |
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| 167 | . sed_flux(i,k+1)*time_step/zdz(i,k) !orig |
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| 168 | ENDDO !klon |
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| 169 | ENDDO !klev |
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| 170 | c |
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| 171 | DO i=1, klon |
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| 172 | sed_ss(i)=sed_flux(i,1)*1.e6*1.e3 !--unit mg/m2/s |
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| 173 | ENDDO !klon |
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| 174 | ELSE |
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| 175 | DO i=1, klon |
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| 176 | sed_ss(i)=0. |
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| 177 | ENDDO |
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| 178 | ENDIF |
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| 179 | c |
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| 180 | c |
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| 181 | |
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| 182 | c--------- For dust ------------------ |
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| 183 | c |
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| 184 | c |
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| 185 | IF(id_codu>0) THEN |
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| 186 | DO k=1, klev |
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| 187 | DO i=1,klon |
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| 188 | c |
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| 189 | v_stokes=RG*(rho_dust-zrho(i,k))* !m/sec |
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| 190 | . mmd_dust*mmd_dust* |
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| 191 | . 1.e-12/(18.0*air_visco(i,k)/10.) |
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| 192 | c |
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| 193 | lambda=6.6*1.e-8*(103125/pplay(i,k))*(t_seri(i,k)/293.15) |
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| 194 | CC=1.0+1.257*lambda/(mmd_dust)/1.e6 !dimensionless |
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| 195 | v_sed=v_stokes*CC !m/sec |
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| 196 | c |
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| 197 | c---------check for v_sed*dt<zdz |
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| 198 | c |
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| 199 | IF (v_sed*time_step.GT.zdz(i,k)) THEN |
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| 200 | v_sed=zdz(i,k)/time_step |
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| 201 | ENDIF |
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| 202 | |
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| 203 | c |
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| 204 | v_dep_dust(i,k)=v_sed |
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| 205 | sed_flux(i,k)=tr_seri(i,k,id_codu)*v_sed !g/cm3.m/sec |
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| 206 | c |
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| 207 | ENDDO !klon |
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| 208 | ENDDO !klev |
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| 209 | c |
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| 210 | DO k=1, klev |
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| 211 | DO i=1, klon |
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| 212 | tr_seri(i,k,id_codu)=tr_seri(i,k,id_codu)- |
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| 213 | . sed_flux(i,k)*time_step/zdz(i,k) |
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| 214 | ENDDO !klon |
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| 215 | ENDDO !klev |
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| 216 | c |
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| 217 | DO k=1, klev-1 |
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| 218 | DO i=1, klon |
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| 219 | tr_seri(i,k,id_codu)=tr_seri(i,k,id_codu) + |
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| 220 | . sed_flux(i,k+1)*time_step/zdz(i,k) |
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| 221 | ENDDO !klon |
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| 222 | ENDDO !klev |
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| 223 | c |
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| 224 | DO i=1, klon |
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| 225 | sed_dust(i)=sed_flux(i,1)*1.e6*1.e3 !--unit mg/m2/s |
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| 226 | ENDDO !klon |
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| 227 | ELSE |
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| 228 | DO i=1, klon |
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| 229 | sed_dust(i)=0. |
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| 230 | ENDDO |
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| 231 | ENDIF |
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| 232 | c |
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| 233 | |
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| 234 | |
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| 235 | c--------- For scoarse dust ------------------ |
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| 236 | c |
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| 237 | c |
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| 238 | IF(id_scdu>0) THEN |
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| 239 | DO k=1, klev |
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| 240 | DO i=1,klon |
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| 241 | c |
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| 242 | v_stokes=RG*(rho_dust-zrho(i,k))* !m/sec |
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| 243 | . mmd_dustsco*mmd_dustsco* |
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| 244 | . 1.e-12/(18.0*air_visco(i,k)/10.) |
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| 245 | c |
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| 246 | lambda=6.6*1.e-8*(103125/pplay(i,k))*(t_seri(i,k)/293.15) |
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| 247 | CC=1.0+1.257*lambda/(mmd_dustsco)/1.e6 !dimensionless |
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| 248 | v_sed=v_stokes*CC !m/sec |
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| 249 | c |
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| 250 | c---------check for v_sed*dt<zdz |
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| 251 | |
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| 252 | |
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| 253 | IF (v_sed*time_step.GT.zdz(i,k)) THEN |
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| 254 | v_sed=zdz(i,k)/time_step |
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| 255 | ENDIF |
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| 256 | |
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| 257 | c |
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| 258 | v_dep_dustsco(i,k)=v_sed |
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| 259 | sed_flux(i,k)=tr_seri(i,k,id_scdu)*v_sed !g/cm3.m/sec |
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| 260 | c |
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| 261 | ENDDO !klon |
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| 262 | ENDDO !klev |
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| 263 | c |
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| 264 | DO k=1, klev |
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| 265 | DO i=1, klon |
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| 266 | tr_seri(i,k,id_scdu)=tr_seri(i,k,id_scdu)- |
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| 267 | . sed_flux(i,k)*time_step/zdz(i,k) |
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| 268 | ENDDO !klon |
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| 269 | ENDDO !klev |
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| 270 | c |
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| 271 | DO k=1, klev-1 |
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| 272 | DO i=1, klon |
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| 273 | tr_seri(i,k,id_scdu)=tr_seri(i,k,id_scdu) + |
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| 274 | . sed_flux(i,k+1)*time_step/zdz(i,k) |
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| 275 | ENDDO !klon |
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| 276 | ENDDO !klev |
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| 277 | c |
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| 278 | DO i=1, klon |
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| 279 | sed_dustsco(i)=sed_flux(i,1)*1.e6*1.e3 !--unit mg/m2/s |
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| 280 | ENDDO !klon |
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| 281 | ELSE |
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| 282 | DO i=1, klon |
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| 283 | sed_dustsco(i)=0. |
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| 284 | ENDDO |
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| 285 | ENDIF |
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| 286 | c |
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| 287 | |
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| 288 | |
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| 289 | |
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| 290 | |
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| 291 | c |
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| 292 | RETURN |
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| 293 | END |
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