Index: /issm/trunk-jpl/src/c/classes/Elements/Tria.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/Elements/Tria.cpp	(revision 18966)
+++ /issm/trunk-jpl/src/c/classes/Elements/Tria.cpp	(revision 18967)
@@ -12,4 +12,5 @@
 #include <stdio.h>
 #include <string.h>
+#include <math.h>
 #include "../classes.h"
 #include "../../shared/shared.h"
@@ -312,4 +313,5 @@
 			calvingrate[iv]=0;
 		}
+		calvingrate[iv]=pow(calvingrate[iv],0.3);
 		calvingratex[iv]=calvingrate[iv]*vx/(sqrt(vel)+1.e-14);
 		calvingratey[iv]=calvingrate[iv]*vy/(sqrt(vel)+1.e-14);