Index: /issm/trunk/src/m/classes/public/plot/applyoptions.m
===================================================================
--- /issm/trunk/src/m/classes/public/plot/applyoptions.m	(revision 2255)
+++ /issm/trunk/src/m/classes/public/plot/applyoptions.m	(revision 2256)
@@ -134,4 +134,7 @@
 			 set(c,'FontSize',fontsize);
 		end
+		if ~isnan(options_structure.colorbartitle),
+			axes(c);lab=ylabel(options_structure.colorbartitle);set(lab,'Rotation',-90);set(lab,'VerticalAlignment','bottom');
+		end
 	%colorbar OFF
 	elseif options_structure.colorbar==0,
@@ -147,4 +150,7 @@
 	if ~isnan(options_structure.colorbarpos),
 		set(c,'Position',options_structure.colorbarpos);
+	end
+	if ~isnan(options_structure.colorbartitle),
+		axes(c);lab=ylabel(options_structure.colorbartitle);set(lab,'Rotation',-90);set(lab,'VerticalAlignment','bottom');
 	end
 end
Index: /issm/trunk/src/m/classes/public/plot/parse_options.m
===================================================================
--- /issm/trunk/src/m/classes/public/plot/parse_options.m	(revision 2255)
+++ /issm/trunk/src/m/classes/public/plot/parse_options.m	(revision 2256)
@@ -268,4 +268,16 @@
 else
 	options_struct.title=NaN;
+end
+
+%colorbartitle
+colorbartitlevalues=findarg(optionstring,'colorbartitle');
+if ~isempty(colorbartitlevalues),
+	if ischar(colorbartitlevalues.value) | iscell(colorbartitlevalues.value),
+		options_struct.colorbartitle=colorbartitlevalues.value;
+	else
+		error('plot error message: colorbartitle option must be a string');
+	end
+else
+	options_struct.colorbartitle=NaN;
 end
 
Index: /issm/trunk/src/m/classes/public/plot/plotdoc.m
===================================================================
--- /issm/trunk/src/m/classes/public/plot/plotdoc.m	(revision 2255)
+++ /issm/trunk/src/m/classes/public/plot/plotdoc.m	(revision 2256)
@@ -53,4 +53,5 @@
 disp('       ''colorlevels'':  N or {value1,valu2,value3,...} used if quiver, use different colors for the given number of colors or limits');
 disp('       ''colorbar'': add colorbar (string ''on'' or ''off'')');
+disp('       ''colorbartitle'': colorbar title (string)');
 disp('       ''colorbarpos'': [x,y,dx,dy] where x,y,dx and dy are within [0 1]');
 disp('       ''colormap'': same as standard matlab option (''jet'',''HSV'',''cool'',''spring'',''gray'',...)');