The salt air in the library of the National Institute of Oceanography was thick enough to taste, a constant reminder that the subject of everyone’s obsession was just a few hundred yards away.

: Analysis of ocean temperature, density, and salinity distribution. Ocean Dynamics

Oceanography, History, Nature, Different Branches ... - Testbook

Some key concepts covered in the book include:

Part 3: Movements of Ocean Water

This is arguably the most important section for competitive exams. Lal meticulously explains:

Applications of Oceanography