Something Worse Than Declining Fish Numbers Is Happening To The Earth’s Oceans
Earlier report sometime within this year showed that the world’s oceans are running out of fish.
That was scary. But a new study has shown that something worse than that is actually happening to the earth’s oceans.
The oceans are heating up and faster than previously imagined.
Oceans are very critical to the existence of life on earth. Oceans cover more than two thirds of the planet's surface and play a vital role in sustaining life on Earth
According to the report, the world's oceans have absorbed 60% more heat than previously thought over the last 25 years, scientists said Thursday, leaving Earth more sensitive still to the effects of climate change.
According to their most recent assessment this month, scientists from the Intergovernmental Panel on Climate Change (IPCC) say the world's oceans have absorbed 90% of the temperature rise caused by man-made carbon emissions.
But new research published in the journal Nature used a novel method of measuring ocean temperature.
It found that for each of the last 25 years, oceans had absorbed heat energy equivalent to 150 times the amount of electricity mankind produces annually. That is 60% higher than previous studies showed.
"Imagine if the ocean was only 30 feet (10 metres) deep," said Laure Resplandy, assistant professor of geosciences at Princeton and lead study author.
"Our data show that it would have warmed by 6.5 degrees Celsius (11.7 degrees Fahrenheit) every decade since 1991."
Resplandy said the data showed mankind must once again revise down its carbon footprint, with emissions needing to fall 25% compared to previous estimates.
"The result significantly increases the confidence we can place in estimates of ocean warming and therefore helps reduce uncertainty," said Ralph Keeling, a geophysicist at the University of California-San Diego and co-author of the study.
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