The book typically follows the standard flow of physical oceanography. Here is how you should approach each section:

The periodic rise and fall of sea levels caused by the gravitational forces of the Moon and the Sun. The book explains spring tides, neap tides, and tidal theories.

The shallow, gently sloping submerged margin of a continent, crucial for marine life and oil reserves.

Understanding the economic and geological significance of shallow marine margins.

The vast, flat areas of the deep ocean floor.

For UPSC Geography Optional students, D.S. Lal is often paired with Savindra Singh’s Physical Geography . While Singh provides a broader overview, Lal’s Oceanography is specialized.