Index: LMDZ5/trunk/libf/phylmd/coefcdrag.F90
===================================================================
--- LMDZ5/trunk/libf/phylmd/coefcdrag.F90	(revision 2155)
+++ LMDZ5/trunk/libf/phylmd/coefcdrag.F90	(revision 2158)
@@ -78,10 +78,11 @@
        ztsolv(i) = ts(i)
 !       ztvd(i) = t(i) * (psol(i)/pref(i))**RKAPPA
-       ztvd(i) = (t(i)+zdphi(i)/RCPD/(1.+RVTMP2*q(i))) &
-          *(1.+RETV*q(i))
+!       ztvd(i) = (t(i)+zdphi(i)/RCPD/(1.+RVTMP2*q(i))) &
+!          *(1.+RETV*q(i))
+       ztvd(i) = (t(i)+zdphi(i)/RCPD/(1.+RVTMP2*q(i)))
        trm0(i) = 1. + RETV * max(qsurf(i),0.0)
        trm1(i) = 1. + RETV * max(q(i),0.0)
        ztsolv(i) = ztsolv(i) * trm0(i)
-!       ztvd(i) = ztvd(i) * trm1(i)
+       ztvd(i) = ztvd(i) * trm1(i)
        zri1(i) = zdphi(i)*(ztvd(i)-ztsolv(i))/(zdu2(i)*ztvd(i))
 !