El Nino and Southern Oscillation

What is El Nino? El Nino is a recurring warm ocean current on the west coast of Ecuador, Peru and Chile. Normally on the western coast of Latin America, a cold current flows from the south pacific ocean towards the  equator. This cold current is known as Humboldt Cold Current (Fig. 1). The Humboldt current … Read more

Conditions for the Survival of Coral Reefs

What are Corals and Coral Reefs? Coral or coral polyps are lime secreting small marine invertebrates. Their dead bodies result in built up of coral reefs. They live in large colonies. When these corals die, their skeleton accumulate on one site. The continued accumulation and compaction of these skeletons leads to the formation of coral … Read more