Index: /issm/trunk-jpl/src/m/classes/spatiallinearbasalforcings.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/spatiallinearbasalforcings.m	(revision 26950)
+++ /issm/trunk-jpl/src/m/classes/spatiallinearbasalforcings.m	(revision 26951)
@@ -73,5 +73,5 @@
 				md = checkfield(md,'fieldname','basalforcings.deepwater_elevation','NaN',1,'Inf',1,'timeseries',1);
 				md = checkfield(md,'fieldname','basalforcings.upperwater_melting_rate','NaN',1,'Inf',1,'timeseries',1,'>=',0);
-				md = checkfield(md,'fieldname','basalforcings.upperwater_elevation','NaN',1,'Inf',1,'timeseries',1,'<',0);
+				md = checkfield(md,'fieldname','basalforcings.upperwater_elevation','NaN',1,'Inf',1,'timeseries',1,'<=',0);
 			end
 			if ismember('BalancethicknessAnalysis',analyses),
@@ -89,5 +89,5 @@
 				md = checkfield(md,'fieldname','basalforcings.deepwater_elevation','<','basalforcings.upperwater_elevation','numel',1);
 				md = checkfield(md,'fieldname','basalforcings.upperwater_melting_rate','>=',0,'numel',1);
-				md = checkfield(md,'fieldname','basalforcings.upperwater_elevation','<',0,'numel',1);
+				md = checkfield(md,'fieldname','basalforcings.upperwater_elevation','<=',0,'numel',1);
 				md = checkfield(md,'fieldname','basalforcings.geothermalflux','NaN',1,'Inf',1,'timeseries',1,'>=',0);
 			end