El-Nino effect and cyclones

El Nino El Niño is the name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru. When this warming occurs the usual upwelling of cold, nutrient rich deep ocean water is significantly El Niño normally occurs around Christmasand usually lasts for a few weeks to a few months. Sometimes … Read more

Effect of ocean acidification

The Silent Threat: Ocean Acidification and its Devastating Effects The ocean, a vast and seemingly endless expanse, is facing a silent threat – ocean acidification. This phenomenon, driven by the absorption of excess carbon dioxide (CO2) from the atmosphere, is altering the delicate chemical balance of our oceans, with far-reaching consequences for marine life and … Read more

Oceans: Physical, chemical and biological characteristics

Volcanoes and sea-scarps. This great variety of relief is largely due to interaction of tectonic, volcanic, erosional and depositional processes. At greater depths, the tectonic and volcanic phenomena are more significant processes. Continental Shelf: This is a gentle seaward sloping surface extending from the coasts toward s the open sea. In all, about 7.5% of … Read more

Corals

The Coral Reefs: Jewels of the Ocean, Facing a Bleak Future Coral reefs, vibrant underwater ecosystems teeming with life, are often called the “rainforests of the sea.” These intricate structures, built by tiny colonial animals called coral polyps, provide a vital habitat for a quarter of all marine species, contribute significantly to coastal protection, and … Read more