Index: /issm/trunk-jpl/src/m/classes/SMBgemb.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/SMBgemb.m	(revision 24733)
+++ /issm/trunk-jpl/src/m/classes/SMBgemb.m	(revision 24734)
@@ -314,6 +314,6 @@
 			fielddisplay(self,'dzTop','initial top vertical grid spacing (default .05) [m] ');
 			fielddisplay(self,'dzMin','initial min vertical allowable grid spacing (default dzMin/2) [m] ');
-			fielddisplay(self,'zMax','initial max model depth (default is min(thickness,500)) [m]');
-			fielddisplay(self,'zMin','initial min model depth (default is min(thickness,30)) [m]');
+			fielddisplay(self,'zMax','initial max model depth (default is min(thickness,250)) [m]');
+			fielddisplay(self,'zMin','initial min model depth (default is min(thickness,130)) [m]');
 			fielddisplay(self,'zY','strech grid cells bellow top_z by a [top_dz * y ^ (cells bellow top_z)]');
 			fielddisplay(self,'InitDensityScaling',{'initial scaling factor multiplying the density of ice','which describes the density of the snowpack.'});
Index: /issm/trunk-jpl/src/m/classes/SMBgemb.py
===================================================================
--- /issm/trunk-jpl/src/m/classes/SMBgemb.py	(revision 24733)
+++ /issm/trunk-jpl/src/m/classes/SMBgemb.py	(revision 24734)
@@ -69,6 +69,6 @@
         self.dzMin = float('NaN')    # initial min vertical allowable grid spacing (default dzMin/2) [m]
         self.zY = float('NaN')       # strech grid cells bellow top_z by a [top_dz * y ^ (cells bellow top_z)]
-        self.zMax = float('NaN')     #initial max model depth (default is min(thickness, 500)) [m]
-        self.zMin = float('NaN')     #initial min model depth (default is min(thickness, 30)) [m]
+        self.zMax = float('NaN')     #initial max model depth (default is min(thickness, 250)) [m]
+        self.zMin = float('NaN')     #initial min model depth (default is min(thickness, 130)) [m]
         self.outputFreq = float('NaN')       #output frequency in days (default is monthly, 30)