CONTENTS 



ch. 11. Eastern Boundary Currents by W.S. Wooster and J. L. Reid,Jr. 253 



1. Introduction ...... 



2. Common features of eastern boundary currents 



3. Coastal up welling .... 



4. Poleward eastern boundary currents 



5. Biological implications 



ch. 12. The Southern Ocean6?/ G. E. R. Deacon 



1. Topography 



2. Oceanographic data 



3. Wind zones 



4. The water-masses 



5. Climatology and zoogeography 



6. Nutrient salts 



7. Future needs 



ch. 13. Deep-Current Measurements using Neutrally Buoyant 

 Floats by G. H. Volkmann ....... 



1. Introduction ......... 



2. The pinger ......... 



3. Measurements ......... 



ch. 14. Drogues and Neutral-Buoyant Floats by J. A. Knauss 

 ch. 15. Estuaries by W. M. Cameron and D. W. Pritchard 



1 . Definition of estuaries .... 



2. General considerations .... 



3. Estuarine circulation patterns 



4. Some variations on the estuarine sequence 



5. Flushing in estuaries ..... 



6. Dynamics of estuaries .... 



7. Kinematic description of the distribution of properties 

 estuary ........ 



ch. 16. Applications of the Gyropendulum by W. S. von Arx 



1. Introduction ....... 



2. The gyropendulum ...... 



3. The problem of time variations .... 



Section IV. Biological Oceanography ...... 



ch. 17. Geographic Variations in Productivity by J. H. Ryther 



1. Introduction ....... 



2. Incident radiation ...... 



3. Transparency ....... 



4. Nutrients ........ 



5. Latitudinal variations in the stability of surface water 



6. Productivity of the major oceanic regions 



7. Hydrodynamic features which influence productivity 



8. Plankton production in coastal and inshore waters 



9. Production of benthic plant communities 



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281 



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297 

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303 



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322 



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