diff --git a/src/PHYEX/micro/modd_param_lima.f90 b/src/PHYEX/micro/modd_param_lima.f90
index 3b8b56a4a5cb1476f0875babf18fcd80d250a40a..61fd573f42c169d41cb4d217e604e399ea4efe13 100644
--- a/src/PHYEX/micro/modd_param_lima.f90
+++ b/src/PHYEX/micro/modd_param_lima.f90
@@ -710,7 +710,7 @@ ENDIF
 !
 IF(LLCHECK) THEN
   CALL CHECK_NAM_VAL_CHAR(KLUOUT, 'CPRISTINE_ICE_LIMA', CPRISTINE_ICE_LIMA, &
-                                                'PLAT', 'COLU', 'BURO')
+                                  'PLAT', 'COLU', 'BURO','YPLA','YCOL','YBUR','YDRO','YHCO','YHBU')
   CALL CHECK_NAM_VAL_CHAR(KLUOUT, 'CHEVRIMED_ICE_LIMA', CHEVRIMED_ICE_LIMA, &
                                                 'GRAU', 'HAIL')
 
diff --git a/src/PHYEX/micro/modd_param_lima_cold.f90 b/src/PHYEX/micro/modd_param_lima_cold.f90
index 3134e583f585419a5121808a9ac0fd302a1b9e89..cc3e3adc1e5639286c37689f9569905947dc8501 100644
--- a/src/PHYEX/micro/modd_param_lima_cold.f90
+++ b/src/PHYEX/micro/modd_param_lima_cold.f90
@@ -53,12 +53,14 @@ REAL      :: XLBEXS,XLBS,XNS          ! Snow/agg.      distribution parameters
 !
 REAL      :: XAI,XBI,XC_I,XDI         ,XF0I,XF2I,XC1I ! Cloud ice      charact.
 REAL      ::                           XF0IS,XF1IS    ! (large Di vent. coef.)
+REAL      :: XDELTAI, XGAMMAI         ! cloud ice area-diameter parameters
 REAL      :: XAS,XBS,XCS,XDS,XCCS,XCXS,XF0S,XF1S,XC1S ! Snow/agg.      charact.
 !
 REAL      :: XLBDAS_MIN, XLBDAS_MAX   ! Max values allowed for the shape parameter of snow
 REAL      :: XFVELOS                  ! Wurtz - snow fall speed parameterizaed after Thompson 2008
 REAL      :: XTRANS_MP_GAMMAS         ! Wurtz - change between lambda value for MP and gen. gamma
 !
+REAL      :: XREFFI                   ! constante for ice crystal effective radius for ecRad
 !
 !-------------------------------------------------------------------------------
 !
@@ -146,6 +148,8 @@ REAL, POINTER :: XLBEXI => NULL(), &
                  XNS => NULL(), &
                  XAI => NULL(), &
                  XBI => NULL(), &
+                 XGAMMAI => NULL(), &
+                 XDELTAI => NULL(), &
                  XC_I => NULL(), &
                  XDI => NULL(), &
                  XF0I => NULL(), &
@@ -166,6 +170,7 @@ REAL, POINTER :: XLBEXI => NULL(), &
                  XLBDAS_MAX => NULL(), &
                  XFVELOS => NULL(), &
                  XTRANS_MP_GAMMAS => NULL(), &
+                 XREFFI => NULL(), &
                  XFSEDRI => NULL(), &
                  XFSEDCI => NULL(), &
                  XFSEDRS => NULL(), &
@@ -286,6 +291,8 @@ IF(.NOT. ASSOCIATED(XLBEXI)) THEN
   XNS                => PARAM_LIMA_COLD%XNS
   XAI                => PARAM_LIMA_COLD%XAI
   XBI                => PARAM_LIMA_COLD%XBI
+  XGAMMAI            => PARAM_LIMA_COLD%XGAMMAI
+  XDELTAI            => PARAM_LIMA_COLD%XDELTAI
   XC_I               => PARAM_LIMA_COLD%XC_I
   XDI                => PARAM_LIMA_COLD%XDI
   XF0I               => PARAM_LIMA_COLD%XF0I
@@ -306,6 +313,7 @@ IF(.NOT. ASSOCIATED(XLBEXI)) THEN
   XLBDAS_MAX         => PARAM_LIMA_COLD%XLBDAS_MAX
   XFVELOS            => PARAM_LIMA_COLD%XFVELOS
   XTRANS_MP_GAMMAS   => PARAM_LIMA_COLD%XTRANS_MP_GAMMAS
+  XREFFI             => PARAM_LIMA_COLD%XREFFI
   XFSEDRI            => PARAM_LIMA_COLD%XFSEDRI
   XFSEDCI            => PARAM_LIMA_COLD%XFSEDCI
   XFSEDRS            => PARAM_LIMA_COLD%XFSEDRS
diff --git a/src/PHYEX/micro/mode_ini_lima_cold_mixed.f90 b/src/PHYEX/micro/mode_ini_lima_cold_mixed.f90
index e8774847097e970a599f89335616b835b54b3c94..0f6c055af6426f00ebb763dc1a7bd4675aec260b 100644
--- a/src/PHYEX/micro/mode_ini_lima_cold_mixed.f90
+++ b/src/PHYEX/micro/mode_ini_lima_cold_mixed.f90
@@ -130,6 +130,8 @@ REAL :: ZBOUND_RDSF_RMIN    ! XDCRLIM*Lbda_r : lower bound used in the tabulated
 REAL :: ZRATE_R             ! Geometrical growth of Lbda_r in the tabulated function
 REAL :: ZKHI_LWM            ! Coefficient of Lawson et al. (2015)
 !
+REAL :: ZRHOIW ! ice density
+!
 !-------------------------------------------------------------------------------
 !
 !
@@ -151,19 +153,73 @@ SELECT CASE (CPRISTINE_ICE_LIMA)
     XBI = 2.5       ! Plates 
     XC_I = 747.     ! Plates
     XDI = 1.0       ! Plates
+    XGAMMAI = 0.096
+    XDELTAI = 1.83    
     XC1I = 1./XPI   ! Plates
   CASE('COLU')
     XAI = 2.14E-3   ! Columns
     XBI = 1.7       ! Columns
     XC_I = 1.96E5   ! Columns
     XDI = 1.585     ! Columns
+    XGAMMAI = 0.659
+    XDELTAI = 2.0
     XC1I = 0.8      ! Columns 
   CASE('BURO')
     XAI = 44.0      ! Bullet rosettes
     XBI = 3.0       ! Bullet rosettes
     XC_I = 4.E5     ! Bullet rosettes
     XDI = 1.663     ! Bullet rosettes
+    XGAMMAI = 0.062
+    XDELTAI = 1.81    
     XC1I = 0.5      ! Bullet rosettes
+  CASE('YPLA')
+    XAI = 0.745      ! Plates_from Yang et al (2013)
+    XBI = 2.47       ! Plates_from Yang et al (2013)
+    XC_I = 63.     ! Plates_from Yang et al (2013)
+    XDI = 0.68       ! Plates_from Yang et al (2013)
+    XGAMMAI = 0.096
+    XDELTAI = 1.83    
+    XC1I = 1./XPI   ! Plates_from Yang et al (2013)
+  CASE('YCOL')
+    XAI = 261.102   ! Columns_from Yang et al (2013)
+    XBI = 2.99       ! Columns_from Yang et al (2013)
+    XC_I = 671   ! Columns_from Yang et al (2013)
+    XDI = 0.62     ! Columns_from Yang et al (2013)
+    XGAMMAI = 0.659
+    XDELTAI = 2.0    
+    XC1I = 0.8      ! Columns_from Yang et al (2013)
+  CASE('YBUR')
+    XAI = 1.268      ! Bullet rosettes_from Yang et al (2013)
+    XBI = 2.59       ! Bullet rosettes_from Yang et al (2013)
+    XC_I = 128     ! Bullet rosettes_from Yang et al (2013)
+    XDI = 0.72     ! Bullet rosettes_from Yang et al (2013)
+    XGAMMAI = 0.062
+    XDELTAI = 1.81    
+    XC1I = 0.5      ! Bullet rosettes_from Yang et al (2013)
+  CASE('YDRO')
+    XAI = 1.268      ! Droxtals_from Yang et al (2013)
+    XBI = 2.59       ! Droxtals_from Yang et al (2013)
+    XC_I = 128     ! Droxtals_from Yang et al (2013)
+    XDI = 0.72     ! Droxtals_from Yang et al (2013)
+    XGAMMAI = 0.673
+    XDELTAI = 2.0    
+    XC1I = 0.5      ! Droxtals_from Yang et al (2013)
+  CASE('YHCO')
+    XAI = 217.586   ! Hollow_Columns_from Yang et al (2013)
+    XBI = 2.99       ! Hollow_Columns_from Yang et al (2013)
+    XC_I = 641   ! Hollow_Columns_from Yang et al (2013)
+    XDI = 0.63     ! Hollow_Columns_from Yang et al (2013)
+    XGAMMAI = 0.659
+    XDELTAI = 2.0    
+    XC1I = 0.8      ! Hollow_Columns_from Yang et al (2013)
+  CASE('YHBU')
+    XAI = 1.258      ! Hollow_Bullet rosettes_from Yang et al (2013)
+    XBI = 2.61       ! Hollow_Bullet rosettes_from Yang et al (2013)
+    XC_I = 147     ! Hollow_Bullet rosettes_from Yang et al (2013)
+    XDI = 0.73     ! Hollow_Bullet rosettes_from Yang et al (2013)
+    XGAMMAI = 0.061
+    XDELTAI = 1.81    
+    XC1I = 0.5      ! Hollow_Bullet rosettes_from Yang et al (2013)    
 END SELECT
 !
 !  Note that XCCI=N_i (a locally predicted value) and XCXI=0.0, implicitly
@@ -337,6 +393,10 @@ ZCONC_MAX  = 1.E6 ! Maximal concentration for falling particules set to 1 per cc
 !XLBDAG_MAX = ( ZCONC_MAX/XCCG )**(1./XCXG) 
 !XLBDAH_MAX = ( ZCONC_MAX/XCCH )**(1./XCXH) 
 !  
+!    constante for ecRad effective radius
+ZRHOIW = 0.917
+XREFFI = (3*XAI/(2*ZRHOIW*10**3*XGAMMAI)*MOMG(XALPHAI,XNUI,XBI)/MOMG(XALPHAI,XNUI,XDELTAI))*1E6
+!
 !-------------------------------------------------------------------------------
 !
 !