Tuesday, June 22, 2021 at 07:10 am (GMT+7)
Since 2005, the amount of heat trapped by Earth has nearly doubled, according to a new study by NASA and the National Oceanic and Atmospheric Administration (NOAA). This is accelerating rapid warming in the oceans, air and land.
A new study suggests that the Earth is holding on to an “unprecedented” amount of heat.
“The magnitude of the increase[the amount of heat trapped by Earth]is unprecedented. Earth is warming faster than expected,” scientists said in a new study published this week in the journal Geophysical Research Letters.
Study lead author Norman Loeb confirmed that since 2005, the amount of heat trapped by Earth has nearly doubled.
Using satellite data, the researchers measured the planet’s energy imbalance, which is the difference between the amount of energy the planet absorbed from the Sun and the amount of radiation back into space.
If a positive imbalance occurs, it means that the Earth is absorbing more heat than it is losing. According to The Washington Post, in 2005, there was a positive imbalance of about half a watt per square meter of energy from the Sun, and in 2019, there was a positive imbalance of one watt per square meter.
“It’s an enormous amount of energy,” NOAA oceanographer Gregory Johnson, a co-author of the study, told the media.
Mr Johnson said this increase in energy is equivalent to using 20 electric teapots at a time by every person on Earth.
Scientists say more research is needed to determine the factors behind this increase, but increases in greenhouse gas emissions, along with climate change, may be part of the reason for the reduction in cloud cover and sea ice. could. An increase in the amount of heat trapped by the Earth.
However, according to Mr Johnson, one thing is certain that we humans are partially responsible for this problem.
Source: https://tienfong.vn/nasa-trai-dat-dang-giu-luong-nhiet-lon-chua-tung-co-nong-len-nhanh-hon-du-k…
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