-HK3H TIDE LOW TIDE 



ZO 



25 



3500 

 SALINITY (•/..) 



35 30 

 35 20 

 35 10 

 35.00 

 34.90 

 34.80 



34 70 



35 20 



35,10 



35 00 



34 90 

 Or 



10- 



20- 



30- 



40 

 50 

 60 

 70 

 80- 

 90 

 100- 



* 



D 



Figure 7. — Monthly temperature-salinity relation at 

 highest high tide and lowest low tide at the IGY station 

 by periods. 



JUNE AUG. SEPT DEC APR. MAY JUNE AUG DEC. 



JULY nAv mAr JULY NOV. 



1957 1957-1958 1958 



Figure 8. — Physical and chemical characteristics of the 

 nine periods. A. Average to 60 m. temperatures. B. 

 Average to 60 m. salinities. C. Average 200 to 300 m. 

 salinities. D. Average depth from the surface to top 

 of thermocline. 



94 



U.S. FISH AND WILDLIFE SERVICE 



