290 DEPTHS OF THE OCEAN chap. 



that it approached the surface when the inflow was least, 





wo 



Fig. 195. — The Motions in the different layers in the Straits of Gibraltar 

 (calculated for the longitudinal axis of the straits) when the current 



WAS SETTING INTO THE MEDITERRANEAN AT ITS STRONGEST (30th April I910). 



SO 



Fig. 196. — The Currents along the longitudinal axis of the Straits of Gib- 

 raltar ON the 30TH of April 1910, when the current set strongly towards 

 the Atlantic. 



moving 100-150 metres up or down in the course of half a 

 tide-period. 



