44 THE CLIMATE OF AUSTRALASIA 



part in the flow. Similarly any surface current 

 will in time affect the deepest parts of the 

 ocean basin. The deep, slow-moving water 

 impinging against the ridges on the ocean 

 floor, will be deflected upwards ; thus the cold 

 abyssal water chills the surface of the ocean, 

 and lessens the rainfall on the adjacent lands. 



