Basics Definition: Ocean currents are the continuous, predictable, directional movement of seawater driven by gravity, wind, and water density. Move in two directions  Horizontal movements are referred to as currents,  Vertical changes are called upwellings or downwellings. Factors Affecting Ocean … Continue reading →

Basics What is it?: The periodic rise and fall in the sea level is known as Tide. Caused due to The gravitational force exerted on Earth by the Sun. The gravitational force exerted on Earth by the Moon. Rotation of … Continue reading →

Basics Waves are nothing but the oscillatory movements that result in the rise and fall of the water surface. Waves are a kind of horizontal movement of ocean water. They are actually the energy, not the water as such, which … Continue reading →