Index: trunk/LMDZ.MARS/deftank/callphys.def.GCM5
===================================================================
--- trunk/LMDZ.MARS/deftank/callphys.def.GCM5	(revision 4154)
+++ trunk/LMDZ.MARS/deftank/callphys.def.GCM5	(revision 4156)
@@ -128,4 +128,8 @@
 # PHOTOCHEMISTRY: include chemical species 
 photochem  = .false.
+# MASS FIXER: correct tracer (CO, O2, H2, HO2, H2O2, N2, Ar, He) mass
+#             non-conservation in dynamics (defaulted to .false.). Only useful
+#             when studying chemical species with lifetime > hundreds of years.
+call_mass_fixer_dyn = .false.
 
 # SCATTERERS: set number of scatterers. must be compliant with preceding options.
Index: trunk/LMDZ.MARS/deftank/callphys.def.GCM6
===================================================================
--- trunk/LMDZ.MARS/deftank/callphys.def.GCM6	(revision 4154)
+++ trunk/LMDZ.MARS/deftank/callphys.def.GCM6	(revision 4156)
@@ -201,4 +201,9 @@
 photochem  = .false.
 
+# MASS FIXER: correct tracer (CO, O2, H2, HO2, H2O2, N2, Ar, He) mass
+#             non-conservation in dynamics (defaulted to .false.). Only useful
+#             when studying chemical species with lifetime > hundreds of years.
+call_mass_fixer_dyn = .false.
+
 # SCATTERERS: set number of scatterers. must be compliant with preceding options.
 naerkind = 4
Index: trunk/LMDZ.MARS/deftank/callphys.def.MCD5
===================================================================
--- trunk/LMDZ.MARS/deftank/callphys.def.MCD5	(revision 4154)
+++ trunk/LMDZ.MARS/deftank/callphys.def.MCD5	(revision 4156)
@@ -122,4 +122,8 @@
 # PHOTOCHEMISTRY: include chemical species 
 photochem  = .true.
+# MASS FIXER: correct tracer (CO, O2, H2, HO2, H2O2, N2, Ar, He) mass
+#             non-conservation in dynamics (defaulted to .false.). Only useful
+#             when studying chemical species with lifetime > hundreds of years.
+call_mass_fixer_dyn = .false.
 
 # SCATTERERS: set number of scatterers. must be compliant with preceding options.
Index: trunk/LMDZ.MARS/deftank/callphys.def.MCD6
===================================================================
--- trunk/LMDZ.MARS/deftank/callphys.def.MCD6	(revision 4154)
+++ trunk/LMDZ.MARS/deftank/callphys.def.MCD6	(revision 4156)
@@ -201,4 +201,9 @@
 photochem  = .true.
 
+# MASS FIXER: correct tracer (CO, O2, H2, HO2, H2O2, N2, Ar, He) mass
+#             non-conservation in dynamics (defaulted to .false.). Only useful
+#             when studying chemical species with lifetime > hundreds of years.
+call_mass_fixer_dyn = .false.
+
 # SCATTERERS: set number of scatterers. must be compliant with preceding options.
 naerkind = 4
Index: trunk/LMDZ.MARS/deftank/callphys.def.co2clouds.GCM5
===================================================================
--- trunk/LMDZ.MARS/deftank/callphys.def.co2clouds.GCM5	(revision 4154)
+++ trunk/LMDZ.MARS/deftank/callphys.def.co2clouds.GCM5	(revision 4156)
@@ -124,4 +124,9 @@
 photochem  = .false.
 
+# MASS FIXER: correct tracer (CO, O2, H2, HO2, H2O2, N2, Ar, He) mass
+#             non-conservation in dynamics (defaulted to .false.). Only useful
+#             when studying chemical species with lifetime > hundreds of years.
+call_mass_fixer_dyn = .false.
+
 # SCATTERERS: set number of scatterers. must be compliant with preceding options.
 naerkind = 1
Index: trunk/LMDZ.MARS/deftank/callphys.def.hdo.GCM5
===================================================================
--- trunk/LMDZ.MARS/deftank/callphys.def.hdo.GCM5	(revision 4154)
+++ trunk/LMDZ.MARS/deftank/callphys.def.hdo.GCM5	(revision 4156)
@@ -132,4 +132,9 @@
 photochem  = .false.
 
+# MASS FIXER: correct tracer (CO, O2, H2, HO2, H2O2, N2, Ar, He) mass
+#             non-conservation in dynamics (defaulted to .false.). Only useful
+#             when studying chemical species with lifetime > hundreds of years.
+call_mass_fixer_dyn = .false.
+
 # SCATTERERS: set number of scatterers. must be compliant with preceding options.
 naerkind = 2