CONTENTS 



Page 

 Scope and Methods of the Chemical Investigations 1 



Introduction 1 



Historical 1 



Methods 2 



Presentation of Data 3 



Carneg ie Sections: Geographic Positions and 



Hydrographic Conditions 4 



The Distribution of Phosphate in the Sea 7 



Introduction 7 



Vertical Distribution 7 



Regional Distribution 10 



Regional Distribution at Various Levels 12 



The Distribution of SUicate in the Sea 21 



Introduction 21 



Historical 21 



Carne^e Data 22 



Vertical Distribution 22 



Regional Distribution 23 



Page 



The Distribution of Hydrogen Ions in the Sea 25 



Introduction 25 



Carnegie Sections 25 



Vertical Distribution 27 



Regional Distribution 28 



The Distribution of Oxygen in the Pacific Ocean 31 



Introduction 31 



Vertical Distribution 31 



Bushnell Section 33 



Hannibal and Pioneer Sections 34 



Regional Distribution 34 



Comparison of the Oxygen Content of the Atlantic 



and Pacific Oceans 36 



Literature Cited 37 



Figures CI - C23 41 



Index 57 



vll 



