Figure 5. — Salinity trends in surface and bottom waters over the con- 

 tinental shelf off Texas, 1963-65. 



peak outflow of fresh water from the Mississippi River 

 although there may be a time lag of 1 to 2 mo. Superim- 

 posed on these marked changes were other minor changes 

 evident at the shallower stations and which probably re- 

 sulted from local river discharges. 



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