Index: LMDZ5/trunk/libf/phylmd/yamada4.F90
===================================================================
--- LMDZ5/trunk/libf/phylmd/yamada4.F90	(revision 2337)
+++ LMDZ5/trunk/libf/phylmd/yamada4.F90	(revision 2339)
@@ -344,10 +344,12 @@
     ! print*,'Longueur ',l(:,:)
     DO k = 2, klev - 1
-      l(:, k) = max(l(:,k), 1.)
-      km(:, k) = l(:, k)*sqrt(q2(:,k))*sm(:, k)
-      q2(:, k) = q2(:, k) + dt*km(:, k)*m2(:, k)*(1.-rif(:,k))
-      q2(:, k) = min(max(q2(:,k),1.E-10), 1.E4)
-      q2(:, k) = 1./(1./sqrt(q2(:,k))+dt/(2*l(:,k)*b1))
-      q2(:, k) = q2(:, k)*q2(:, k)
+      DO ig = 1, ngrid
+        l(ig, k) = max(l(ig,k), 1.)
+        km(ig, k) = l(ig, k)*sqrt(q2(ig,k))*sm(ig, k)
+        q2(ig, k) = q2(ig, k) + dt*km(ig, k)*m2(ig, k)*(1.-rif(ig,k))
+        q2(ig, k) = min(max(q2(ig,k),1.E-10), 1.E4)
+        q2(ig, k) = 1./(1./sqrt(q2(ig,k))+dt/(2*l(ig,k)*b1))
+        q2(ig, k) = q2(ig, k)*q2(ig, k)
+      END DO
     END DO