420 



BATHYMETRICAL SURVEY OF 



DIRECTION Of WIND 



A B - DISCONTINUITY iAYf/f 

 C - SURFACE CURRENT 

 - PRIMARY RETURN CURRENT 

 - SECONDARY SURFACE CURRENT 

 F - SECONDARY RETURN CURRENT 



FIG. 70. CURRENT SYSTEMS IN A LOCH INDUCED BY WIND AT THE SURFACE. 



lOOfeer 



FIG. 71. TEMPERATURE VARIATIONS IN LOCH NESS AT FORT AUGUSTUS DURING 



JULY AND AUGUST 1904, 



