DESCRIPTION OF THE MARINE ENVIRONMENT 

 AND OCEANOGRAPHIC PROCESSES 76 



Bathymetry 76 



Marine Geology 78 



Currents 79 



Waves 80 



Physical and Chemical Properties 80 



Sound Propagation 82 



Marine Life 82 



Sea Ice 84 



PREDICTION OF THE MARINE ENVIRONMENT 86 



SUPPORTING SERVICES 95 



Ships and Aircraft 95 



Calibration Ranges and Field Groups 95 



Instrumentation 96 



Library 98 



Computer Processing of Data at Navoceano 99 



Product Distribution 100 



Lithographic Reproduction 102 



INTERNATIONAL COOPERATION 104 



THE NATIONAL OCEANOGRAPHIC DATA CENTER... 107 



EPILOGUE 109 



