CONTENTS:- 1. Introduction. 2. Ocean and It's Evolution. 3. The Movements of SEa-water. 4. Ocean Systems and the Anthropogenic Greenhouse. 5. Ocean Frontiers. 6. The Nature of Sea Water and It's Importance in Ocean Process. 7. Trends in Phanerozoic Oceans. 8. Human Impacts on the Ocean Systems. 9. Operational Oceanography.