Heat of 3.6 billion nuclear bombs dissolved in the oceans in last 25 year - Daily Current fairs

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Wednesday, 15 January 2020

Heat of 3.6 billion nuclear bombs dissolved in the oceans in last 25 year

Heat of 3.6 billion nuclear bombs dissolved in the oceans in last 25 year

According to the study published on Monday in the Journal of Advances in Atmospheric Sciences, the heat generated by 3.6 billion atomic bombs has dissolved in the oceans in the last 25 years. The heat dissolves in the water as much as 5 (dropped on Hiroshima) nuclear bombs every second. The seas are warming with this heat. A team of 14 scientists has been studying the temperature of the oceans since the 1950s. The team studied temperature increases up to a depth of 2000 meters.

According to research, in 2019 the oceans absorbed 90% of the heat that was emitted from the burning of greenhouse gases, petroleum products, and forest fires. This brought the temperature of the seas to record levels. In the research, the last 10 years were considered as hot years. Of these, 5 years were recorded in the warmest years of the seas. In other words, this heat amount can be equal to heat generated by100 microwaves used by every person on the earth oven day and night.

So much heat dissolved in the oceans

"The temperature of the ocean between 1981 and 2010 was 0.075 degrees Celsius," said Professor Leising Cheng, lead author at the International Center for Climate and Environmental Sciences at the Chinese Academy of Sciences. 63 lakh crore (63 trillion) of Jules energy was generated by the fall of the Atomic bomb on Hiroshima. So far, 228 sextillions Jules of heat have dissolved in the oceans.

450% increase in temperature

Scientist Kevin Trenberth of the Climate Change Analysis Section of the National Center for Atmospheric Research said, "Human activity is the reason for the rise in sea temperature." According to research, between 1955 and 1986, sea temperature increased gradually. In the following decade, this heat increased. Temperature rise between 1987 and 2019 was observed to be over 450% over the previous decades.

Adverse effects of warming of the oceans

According to research, warming seas create large storms. This also affects the water cycle. Its effect is seen in the form of drought, floods and forest fires on the earth. Apart from all this, it is also fatal to marine life.

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