LEGEND 

 THE SHADED PART OF ROSE SHOWS DISTfilBUTION OF DATA INTERPOLATED 

 BETWEEN EIGHT COMPASS POINTS; ITS SHAPE INDICATES GRAPHICALLY THE 

 VARIABILITY OF FLOW 

 EACH DIVISION ON A DIHECTON ARM INDICATES 2 PERCENT FREQUENCY AND 



THE ARROW SHOWS PREVAILING DIRECTION , 

 NUMBER AT LOWER RIGHT OF ROSE SHOWS 



AN SPEED 



t OF OBSERVATIONS 



FIGURE 1 SURFACE CURRENTS NORTH OF SO'N 



