SURFACE WATERS OFF THE CANADIAN PACIFIC COAST 579 



LIST OF FIGURES 



Fig. 1. — Chart of the offshore waters of the Canadian Pacific Coast showing 

 the courses sailed, and the stations occupied in May and August, 

 1951. Observations were made along approximately the same lines 

 in the other cruises, although the arrangement and numeration of 

 the stations were different. 



Fig. 2. — Examples of the characteristic temperature and salinity structure 

 in the offshore region, off the Pacific Coast of Canada, at Latitude 

 50°N, Longitude 135°W (c.f. Figure 1). 



Fig. 3. — Surface salinity observed off the Pacific Coast of Canada. 



Fig. 4. — Surface temperatures observed off the Pacific Coast of Canada. 



Ftg. 5.— Calculated geopotential topography of the sea surface (anomaly of 

 dynamic height, metres) and implied gradient currents. Arrows in- 

 dicate the direction of flow. The inset diagram shows the current 

 speed in relation to the distance between isobars. 



Fig. 6. — Structure of the water off the Pacific Coast of Canada. Vertical 

 sections showing the distribution of temperature (°C light lines) and 

 salinity (S Voo heavy lines) as observed on line A, normal to the 

 coast of Vancouver Island during each o fthe four cruises. The 

 location of the section is shown in Figure 1. 



Fig. 7. — Schematic diagram of the surface zone circulation in the northeast 

 Pacific Ocean. 



Fig. 8. — Anomaly of dj-namic height (metres) from the August, 1950 survey 

 of the Pacific Oceanographic Group, and Cruise 17 of the Marine 

 Life Research Program (Scripps, 1951). 



