GEOLOGY

Detailed explanation-1: -Upwelling is a process in which deep, cold water rises toward the surface. This graphic shows how displaced surface waters are replaced by cold, nutrient-rich water that “wells up” from below. Conditions are optimal for upwelling along the coast when winds blow along the shore.

Detailed explanation-2: -Upwelling brings cold water from the deep ocean to the surface. This cold water is typically rich in nutrients such as nitrate and phosphate because of the dead and decaying matter that has sunk to the ocean floor. These nutrients are important for the primary producers of the oceanic food chain, the phytoplankton.

Detailed explanation-3: -Upwelling is the natural process which brings cold, nutrient-rich water to the surface. A huge upwelling regularly occurs off the coast of Peru, which enjoys a large fishing industry as a result. Upwelling is a process in which currents bring deep, cold water to the surface of the ocean.

Detailed explanation-4: -Coastal upwelling is the process by which strong winds blow down the coasts of continents and, in conjunction with the earth’s rotation, cause the surface waters to be pushed offshore. Water from the ocean depths is then pulled up-or upwelled-to the surface to take its place.

Detailed explanation-5: -The upward movement of this deep, colder water is called upwelling. The deeper water that rises to the surface during upwelling is rich in nutrients. These nutrients “fertilize” surface waters, encouraging the growth of plant life, including phytoplankton.