e. Mean wave height 



H = ^ (3-13) 



M 



where M is the number of individual waves identified by the zero- 

 crossing analysis. 



/ Mean wave period 



T = XI (3-14) 



M 



g. Root-mean-square wave height 



H. 



Iff 2 (3-15) 



rs \ M 



h. Significant wave height H s , defined as the average of the highest one- 

 third of the wave heights. 



i. Significant wave period T s , defined as the average period of the high- 

 est one-third waves. 



j. One-tenth wave height H 10 , defined as the average of the highest one- 

 tenth wave heights. 



k. One-tenth wave period T 10 , defined as the average period of the high- 

 est one-tenth waves. 



/. Maximum wave height H^. 



m. Maximum wave period T mat , defined as the period of the highest 

 wave. 



Time series parameters calculated for the electromagnetic current meters are: 



a. Mean velocity components 



-_ I_ 



N 



N 



b. Standard deviation of the velocity components 



Chapter 3 SUPERTANK Hydrodynamics 



(3-16) 



65 



