The salinity of water in the Indian Ocean is rapidly decreasing, it has decreased by 30% in 60 years.

News Topical, Digital Desk : For decades, the Indian Ocean has been one of the saltiest regions on Earth, but that's changing. Salinity in parts of the southern Indian Ocean is declining at an astonishing rate, according to a new study from the University of Colorado.

According to a study, the salinity of the southern Indian Ocean off the west coast of Australia has decreased by 30 percent over the past 60 years. This could seriously affect ocean currents, climate, rainfall patterns and marine life, according to researchers.

Responsible for climate change

Researchers found through computer simulations that climate change is the driving force behind the salinity decline. Global warming is altering surface winds over the Indian Ocean and the tropical Pacific Ocean. These changes in winds are causing ocean currents to carry more water from the Indian Ocean's freshwater reserves toward the southern Indian Ocean. Researchers explained that as seawater salinity decreases, its density also decreases.

Monsoon will be affected in India

This change could be significant for India. Changes in the Indian Ocean affect monsoon patterns, rainfall, marine fisheries, and coastal weather. Globally, altered currents could impact temperatures in Europe, Asia, and Africa. The oceans are interconnected. Even minor changes in one area can have repercussions thousands of kilometers away.

Ocean circulation system will be disrupted

Experts say these changes could alter the interaction between the ocean and the atmosphere. Furthermore, a decrease in salinity could disrupt key ocean circulation systems that help regulate the global climate. On average, the salinity of our ocean waters is about 3.5 percent. However, this level varies across the globe.

For example, the southern Indian Ocean, located near the southwest coast of Australia, is particularly saline, while the region stretching from the eastern Indian Ocean to the western Pacific Ocean in the Northern Hemisphere tropics is less saline. This difference in salinity creates a giant conveyor belt of ocean circulation, which distributes heat, salt, and freshwater around the Earth.

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