Another year, another climate record broken. In 2022, an international team of scientists measured the hottest global ocean temperatures in human history.
The record is based on two international timelines of ocean heat data stretching back to the 1950s: one conducted by government researchers in the United States and the other by government researchers in China.
Both datasets show that ocean waters reaching up to 2,000 meters deep are now absorbing 10 zettajoules more heat than they were in 2021. That's a hundred times more energy than the world's electricity bill each year.ater is exceptionally good at absorbing huge amounts of heat energy without rising quickly in temperature. What's more, the oceans contain a lot of water.
"Salty areas get saltier, and fresh areas get fresher, and so there is a continuing increase in intensity of the hydrological cycle,"In basic terms that means layers of ocean water are not mixing like they used to and this disrupts the natural circulation of heat, carbon, and oxygen from the atmosphere above.
In 2022, for instance, the heat content in the upper 2000 meters of the Pacific ocean reached a record level"by a large margin," researchers ,"which supports the extreme events witnessed, such as intensive heat waves and deoxygenation, and poses a substantial risk to marine life in this region."
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