Index: LMDZ6/trunk/DefLists/context_lmdz.xml
===================================================================
--- LMDZ6/trunk/DefLists/context_lmdz.xml	(revision 3143)
+++ LMDZ6/trunk/DefLists/context_lmdz.xml	(revision 3144)
@@ -92,7 +92,4 @@
 
   <grid_definition>
-<!-- Define Scalar grid for GHG, orbital parameters and solar constants -->
-    <grid id="grid_scalar">
-    </grid>
 
     <grid id="klev_bnds"> <axis axis_ref="klev" /> <axis axis_ref="bnds" /> </grid>
@@ -207,9 +204,10 @@
        <grid id="grid_sum">
          <scalar >
-        <reduce_domain operation="sum"/>
+        <reduce_domain operation="sum" local="true" />
+        <reduce_scalar operation="sum" />
          </scalar>
          <scalar>
          </scalar>
-       </grid>     
+       </grid>
 
   </grid_definition>