Index: /issm/trunk-jpl/src/m/classes/calvingcrevassedepth.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/calvingcrevassedepth.m	(revision 26450)
+++ /issm/trunk-jpl/src/m/classes/calvingcrevassedepth.m	(revision 26451)
@@ -42,5 +42,5 @@
 
 			md = checkfield(md,'fieldname','calving.crevasse_opening_stress','numel',[1],'values',[0,1]);
-         md = checkfield(md,'fieldname','calving.crevasse_threshold','numel',[1],'values',[0,1]);
+         md = checkfield(md,'fieldname','calving.crevasse_threshold','numel',[1],'>',0,'<=',1);
 			md = checkfield(md,'fieldname','calving.water_height','NaN',1,'Inf',1,'timeseries',1,'>=',0);
 		end % }}}