Oceanography

Distribution of land and water in the earth

• Land and water are unevenly distributed on the earth

• Continents cover 29.2% of earth surface

• The ocean is divided  in to three  basins called Atlantic, Pacific and Indian.

• Ocean basin covers 70.8% of earth surface

• The southern hemisphere is dominated by oceans (80.4%)

• Northern hemisphere contains most of the land and is still dominated by ocean (60.7%)

(Map) Northern and southern hemisphere