Front Cover 



NIMBUS 7 CZCS view of the Northwest Atlantic. The brown to red areas off 

 the coast and in the vicinity of Georges Bank are high in phytoplankton 

 plant life, while the blue areas of the North Wall of the Gulf Stream, 

 and the circular "wann core ring" spun off the Gulf Stream are relative 

 deserts of plant life. 



Back Cover 



This is the same view as the front cover, showing infra-red sea surface 

 temperatures. The cold shelf water is shown in blue, while the warmer 

 Gulf Stream and ring are red to yellow. 



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