Index: /issm/trunk/src/m/classes/model.m
===================================================================
--- /issm/trunk/src/m/classes/model.m	(revision 9430)
+++ /issm/trunk/src/m/classes/model.m	(revision 9431)
@@ -161,5 +161,5 @@
 		 vy_obs                    = {NaN,true,'DoubleMat',1};
 		 vel_obs                   = {NaN,false};
-		 surface_accumulation_rate = {NaN,true,'DoubleMat',3};
+		 surface_accumulation_rate = {NaN,true,'DoubleMat',1};
 		 surface_ablation_rate     = {NaN,true,'DoubleMat',1};
 		 surface_mass_balance      = {NaN,true,'DoubleMat',1};