15 



10 



5 



, 



-5 



-10 



-15 



-20 



(A) East Component 



"I I I I I I I 1 I I I 1 I II I I I I I I I I — I I I I I I I I I I I I I , 



-1 1 1 ^ 1 1 — I — I — I 1 — I — I — I 1 1 1 I I I I I I I I I I I I I I I I I I r 



J I I I I I I I 



-30 

 10/25 



I I I I ' I I I I I I I I I I I I I 1 I I ] I I I I I I I 



11/01 



11/08 



11/15 



11/22 



11/29 



12/06 



Figure 3-29. The low-pass filtered data, represented by the solid black line, plotted 

 over the original time series for each velocity component: (A) east, or 

 u component, and (B) the north, or v component 



