Qi 

 ■*-• 



CZ 



<v 

 o 



^_ 

 GO 



■D 

 <D 



Q. 

 CO 



Elapsed Time (hr) 



a. CE data, bar center of mass 



o 



CQ 



T3 



Q. 

 CO 



Elapsed Time (hr) 



b. CE data, bar crest 



Figure 23. Speed of bar movement with elapsed time (Continued) 



97 



