Accumulated heat in the upper ocean is at rec | EurekAlert!https://www.eurekalert.org/news-releases/939503#.YeRT2FStk7sThe ocean heat content is relentlessly increasing, globally, and this is a primary indicator of human-induced climate change,” said paper author Kevin Trenberth, distinguished scholar at the National Center for Atmospheric Research in Colorado. “In this most recent report, we updated observations of the ocean through 2021, while also revisiting and reprocessing earlier data.”
For the last year, the researchers found that the upper 2,000 meters in all oceans absorbed 14 more Zettajoules than in 2020, equal to 145 times world electricity generation in 2020. For context, all of the energy humans use the world over in a single year is about half of a Zettajoule.
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“As well as absorbing heat, currently, the ocean absorbs 20 to 30% of human carbon dioxide emissions, leading to ocean acidification; however, ocean warming reduces the efficiency of oceanic carbon uptake and leaves more carbon dioxide in the air,” said Lijing Cheng, lead paper author