Index: trunk/LMDZ.GENERIC/changelog.txt
===================================================================
--- trunk/LMDZ.GENERIC/changelog.txt	(revision 4130)
+++ trunk/LMDZ.GENERIC/changelog.txt	(revision 4137)
@@ -2213,2 +2213,5 @@
 when not using XIOS. Added logical flag "diagsoil" (default .false.) to trigger
 outputs in diagsoil.nc
+
+== 17/03/2026 == GM
+The nlines were not reset to 0 when reading tracer profiles during the newstart.
Index: trunk/LMDZ.GENERIC/libf/dynphy_lonlat/phygeneric/inichim_newstart.F90
===================================================================
--- trunk/LMDZ.GENERIC/libf/dynphy_lonlat/phygeneric/inichim_newstart.F90	(revision 4130)
+++ trunk/LMDZ.GENERIC/libf/dynphy_lonlat/phygeneric/inichim_newstart.F90	(revision 4137)
@@ -133,4 +133,5 @@
             fil = trim(datadir)//'/chemical_profiles/'//qxf(iq)
             print*, 'chemical pofile '//trim(noms(iq))//': ', fil
+            nlines=0
             open(UNIT=90,FILE=fil,STATUS='old',iostat=ierr)
             if (ierr.eq.0) then