Now accurate forecast of disaster will be possible, Indian Ocean’s bipolar temperature is the main reason for flood
Researchers claim to have found the root cause of the Indian Ocean Dipole (IOD) temperature, which plays a key role in causing everything from Australian bushfires to floods in East Africa.
Researchers from Brown University of America told that with the help of this, disasters like flood, drought can be predicted accurately in any country of the world.
According to the researchers, this complementary weather-determining phenomenon causes sea water temperatures on one side of the Indian Ocean to become warmer or cooler than those on the other side. The more this temperature difference increases, the more extreme weather conditions are created in the entire Indian Ocean. IOD is also called Mini El Nino or Indian Nino.
10,000 years of climate conditions reconstructed
The study compared climate conditions over the past 10,000 years reconstructed from different sets of geological records with simulations from an advanced climate model. According to the results of this research published in the journal Science Advances, the huge glaciers that dominated North America melted on a large scale between 15,000 and 18,000 years ago.
This is how the absence of rain will be known
Due to the difference in the temperature of the two ends of the Indian Ocean, it is decided that in which areas there will be no rain and where there will be drought. The study provides a mechanistic basis for understanding why long-term changes in rainfall patterns in the two regions occur over time, says Prof. James Russell of Brown University. This will not only help in better understanding of the process of east-west dipole of the Indian Ocean, but will also help in accurate forecasting of floods and droughts.
The world’s largest lake has once dried up due to its effect
According to the researchers, in the east-west dipole, where the water in the west (Kenya, Ethiopia and Somalia) is colder than the water in the east (Indonesia).
The researchers said that when the water temperature rises, it rains heavily in nearby countries, including Indonesia, whereas when the water temperature decreases, drought conditions arise in East Africa. These impacts peaked around 17,000 years ago, completely drying up Lake Victoria, the world’s largest.