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Meansal = 1 .09 + 0.036 Xi - 0.79 sin X2 + 0.08 cos X2 

 X1 =12* (Year - 1 938) + Month 

 X2 = (4* Arsin (1) 'Month)/ 12 



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 01JAN79 



1 JAN85 



DATE 



Figure 8. Long term monthly mean salinities at Bayou Barataria. 



260 



