Ocean circulation refers to the movement of water within the world's oceans, driven by a combination of forces such as wind, temperature gradients, and the Earth's rotation. This circulation plays a crucial role in distributing heat, nutrients, and gases around the globe, influencing climate patterns, marine ecosystems, and weather systems. Scientists study ocean circulation to better understand its complex dynamics, including deep and surface currents, upwelling and downwelling, and the impact of factors such as sea ice melt and climate change. This research is essential for predicting future climate trends, marine biodiversity, and the potential effects of human activities on the world's oceans.