Changeset 5219 for LMDZ6/branches/Amaury_dev/libf/phylmd/StratAer/traccoag_mod.F90

Timestamp:

Sep 23, 2024, 2:25:05 PM (7 weeks ago)

Author:

abarral

Message:

Merge r5150 from trunk which had been missed in previous merges

Location:

LMDZ6/branches/Amaury_dev

Files:

• . (modified) (1 prop)
• libf/phylmd/StratAer/traccoag_mod.F90 (modified) (5 diffs)

LMDZ6/branches/Amaury_dev/libf/phylmd/StratAer/traccoag_mod.F90

@@ -12 +12 @@
     USE phys_local_var_mod, ONLY: mdw, R2SO4, DENSO4, f_r_wet, surf_PM25_sulf, &
             budg_emi_ocs, budg_emi_so2, budg_emi_h2so4, budg_emi_part, &
-            R2SO4B, DENSO4B, f_r_wetB, sulfmmr, SAD_sulfate, sulfmmr_mode, nd_mode
-
+            R2SO4B, DENSO4B, f_r_wetB, sulfmmr, SAD_sulfate, sulfmmr_mode, nd_mode, reff_sulfate
     USE dimphy
     USE infotrac_phy, ONLY: nbtr_bin, nbtr_sulgas, nbtr, id_SO2_strat
@@ -83 +82 @@
     INTEGER :: injdur_sai          ! injection duration for SAI case [days]
     INTEGER :: yr, is_bissext
+    REAL                                   :: samoment2, samoment3! 2nd and 3rd order moments of size distribution
 
     IF (is_mpi_root .AND. flag_verbose_strataer) THEN
@@ -355 +355 @@
     sulfmmr_mode(:, :, :) = 0.0
     nd_mode(:, :, :) = 0.0
-
+reff_sulfate(:,:)=0.0
     DO i = 1, klon
       DO j = 1, klev
-        DO it = 1, nbtr_bin
+        samoment2=0.0
+           samoment3=0.0DO it = 1, nbtr_bin
           !surf_PM25_sulf(i)=surf_PM25_sulf(i)+tr_seri(i,1,it+nbtr_sulgas)*m_part(i,1,it) &
           !assume that particles consist of ammonium sulfate at the surface (132g/mol)
@@ -381 +382 @@
             SAD_sulfate(i, j) = SAD_sulfate(i, j) + nd_mode(i, j, it) &     ! [DRY part/m3A (in bin it)]
                     * 4. * RPI * (mdw(it) * f_r_wetB(i, j, it) / 2.)**2. &       ! [WET SA of part it in m2]
-                    * 1.e-2                                              ! conversion from m2/m3 to cm2/cm3A
+                    * 1.e-2                                              ! conversion from m2/m3 to cm2/cm3A!    samoment2 : 2nd order moment of WET sulfate aerosols (m2/m3)
+                 samoment2 = samoment2 + nd_mode(i,j,it) &     ! [DRY part/m3A (in bin it)]
+                      &  *( mdw(it)*f_r_wetB(i,j,it)/2. )**2.                     ! [WET SA of part it in m2]
+!    samoment3 : 3nd order moment of WET sulfate aerosols (cm2/cm3)
+                 samoment3 = samoment3 + nd_mode(i,j,it) &     ! [DRY part/m3A (in bin it)]
+                      &  *( mdw(it)*f_r_wetB(i,j,it)/2. )**3.                     ! [WET SA of part it in m2]
           ELSE
             !     SAD_sulfate: SAD WET sulfate aerosols (cm2/cm3)
@@ -387 +393 @@
                     * 4. * RPI * (mdw(it) * f_r_wet(i, j) / 2.)**2. &           ! [WET SA of part it in m2]
                     * 1.e-2                                              ! conversion from m2/m3 to cm2/cm3A
-          ENDIF
-        ENDDO
+!    samoment2 : 2nd order moment of WET sulfate aerosols (m2/m3)
+                 samoment2 = samoment2 + nd_mode(i,j,it) &     ! [DRY part/m3A (in bin it)]
+                      &  *( mdw(it)*f_r_wet(i,j)/2. )**2.                          ! [WET SA of part it in m2]
+!    samoment3 : 3nd order moment of WET sulfate aerosols (cm2/cm3)
+                 samoment3 = samoment3 + nd_mode(i,j,it) &     ! [DRY part/m3A (in bin it)]
+                      &  *( mdw(it)*f_r_wet(i,j)/2. )**3.                          ! [WET SA of part it in m2]          ENDIF
+        ENDDO!     reff_sulfate: effective radius of WET sulfate aerosols (cm)
+           reff_sulfate(i,j) = (samoment3 / samoment2) &
+                & *1.e2                                              ! conversion from m to cm
       ENDDO
     ENDDO
-
   END SUBROUTINE traccoag