Add new parameters to the namelist_defaults_eamxx.xml file.

Author: overfelt

components/eamxx/cime_config/namelist_defaults_eamxx.xml

@@ -369,7 +369,12 @@ be lost if SCREAM_HACK_XML is not enabled.
     </mam4_optics>
 
     <!-- MAM4xx-Wetscav -->
-    <mam4_wetscav inherit="mam4_atm_proc_base" />
+    <mam4_wetscav inherit="mam4_atm_proc_base">
+      <sol_facti_cloud_borne type="real" doc="In-cloud scavenging fraction [fraction]">1.0</sol_facti_cloud_borne>
+      <sol_factic_cloud_borne type="real" doc="In-cloud convective scavenging fraction [fraction]">0.0</sol_factic_cloud_borne>
+      <sol_factb_below_cloud type="real" doc="Below-cloud scavenging fraction [fraction]">0.03</csol_factb_below_cloud>
+      <f_act_conv_below_cloud type="real" doc="Convection activation fraction [fraction]">0.4</f_act_conv_below_cloud>
+    </mam4_wetscav>
 
     <!-- MAM4xx-Surface-Emissions -->
     <mam4_srf_online_emiss inherit="mam4_atm_proc_base">

components/eamxx/src/physics/mam/eamxx_mam_microphysics_process_interface.cpp

@@ -874,6 +874,7 @@ void MAMMicrophysics::run_impl(const double dt) {
         const auto prain_icol        = ekat::subview(prain, icol);
         const auto work_set_het_icol = ekat::subview(work_set_het, icol);
 
+        mam4::MicrophysDiagnosticArrays diag_arrays;
         // Wind speed at the surface
         const Real wind_speed =
             haero::sqrt(u_wind(icol, surface_lev) * u_wind(icol, surface_lev) +
@@ -937,7 +938,8 @@ void MAMMicrophysics::run_impl(const double dt) {
             offset_aerosol, config.linoz.o3_sfc, config.linoz.o3_tau,
             config.linoz.o3_lbl, dry_diameter_icol, wet_diameter_icol,
             wetdens_icol, dry_atm.phis(icol), cmfdqr, prain_icol, nevapr_icol,
-            work_set_het_icol, drydep_data, aqso4_flx_col,  aqh2so4_flx_col, dvel_col, dflx_col, progs);
+            work_set_het_icol, drydep_data, aqso4_flx_col, aqh2so4_flx_col, 
+            diag_arrays, dvel_col, dflx_col, progs);
 
         team.team_barrier();
         // Update constituent fluxes with gas drydep fluxes (dflx)

components/eamxx/src/physics/mam/eamxx_mam_wetscav_process_interface.hpp

@@ -121,11 +121,17 @@ class MAMWetscav : public MAMGenericInterface {
   void init_temporary_views();
   int len_temporary_views_{0};
 
+  // sol_facti_cloud_borne_ is in-cloud scavenging fraction
+  Real sol_facti_cloud_borne_ = 1.00;
 
-  Real sol_facti_cloud_borne_ = 0;
-  Real sol_factic_cloud_borne_ = 0;
-  Real sol_factb_below_cloud_ = 0;
-  Real f_act_conv_below_cloud_ = 0;
+  // sol_factic_cloud_borne_ is in-cloud convective scavenging fraction
+  Real sol_factic_cloud_borne_ = 0.00;
+
+  // sol_factb_below_cloud_ is below-cloud scavenging fraction
+  Real sol_factb_below_cloud_ = 0.03;
+
+  // f_act_conv_below_cloud_ is convection activation fraction
+  Real f_act_conv_below_cloud_ = 0.40;
 
 };  // class MAMWetscav