December 5, 2021

Not El Nino Half Events In 100 Years Of Drought Due To North Atlantic Winds – Not El Nino Half Events of Drought in Hundred Years Due to North Atlantic Winds


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Half of the natural tragedy of drought in the country in the last hundred years may be due to the winds blowing from the North Atlantic. The Indian Institute of Science and the Center for Atmospheric and Oceanographic Sciences (CAOS) have claimed this in a research. Usually, there is a drought in many parts of the country when there is not enough monsoon after summer and it is believed that the cause is El Nino, but this perception will change after this research published in Science Journal.

Ten of 23 droughts did not occur when El Nino fell, Atlantic winds could be the reason
According to research, ten out of 23 major drought incidents occurred in India in the last hundred years, the year in which El Nino did not occur. In such a situation, what would have been the reason for these natural disasters. Scientists in their research found that these droughts were caused by the sudden fall in rain in late August.

These declines were associated with an atmospheric disturbance in the central region of the North Atlantic Ocean. Due to which the patterns of atmospheric currents that swung over the subcontinent were formed and the monsoon became lighter.

CAOS assistant professor V Venugopal said, “People never tried to understand these droughts widely before 1980.” Everyone just assumed that this was happening because of El Nino. During the research, scientists closely studied the daily rainfall between June and September during El Nino and non-El Nino droughts.

They found that there was a different pattern of rain during El Leo. It is less rainy in May. Whereas non-El Nino ones had a different pattern during droughts. It rains in the early monsoon but there is absolutely no rain in the middle of July and August. This happened due to the winds blowing over the North Atlantic Ocean. Scientists then concluded that these droughts could be caused by the winds in the North Atlantic region.

What is el nino
According to various studies, El Nino is a recurring climatic event during which unusually warm equatorial Pacific waters draw the moisture-laden clouds of the Indian subcontinent. Due to which the monsoon is much less than normal and there is drought in many areas of the country.

Half of the natural tragedy of drought in the country in the last hundred years may be due to the winds blowing from the North Atlantic. The Indian Institute of Science and the Center for Atmospheric and Oceanographic Sciences (CAOS) have claimed this in a research. Usually, there is a drought in many parts of the country when there is not enough monsoon after summer and it is believed that the cause is El Nino, but this perception will change after this research published in Science Journal.

Ten of 23 droughts did not occur when El Nino fell, Atlantic winds could be the reason

According to research, ten out of 23 major drought incidents occurred in India in the last hundred years, the year in which El Nino did not occur. In such a situation, what would have been the reason for these natural disasters. Scientists in their research found that these droughts were caused by the sudden fall in rain in late August. These declines were associated with an atmospheric disturbance in the central region of the North Atlantic Ocean. Due to which the patterns of atmospheric currents that swung over the subcontinent were formed and the monsoon became lighter.

CAOS assistant professor V Venugopal said, “People never tried to understand these droughts widely before 1980.” Everyone just assumed that this was happening because of El Nino. During the research, scientists closely studied the daily rainfall between June and September during El Nino and non-El Nino droughts.

They found that there was a different pattern of rain during El Leo. It is less rainy in May. Whereas non-El Nino ones had a different pattern during droughts. It rains in the early monsoon but there is absolutely no rain in the middle of July and August. This happened due to the winds blowing over the North Atlantic Ocean. Scientists then concluded that these droughts could be caused by the winds in the North Atlantic region.

What is el nino
According to various studies, El Nino is a recurring climatic event during which unusually warm equatorial Pacific waters draw the moisture-laden clouds of the Indian subcontinent. Due to which the monsoon is much less than normal and there is drought in many areas of the country.


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