Shocking new research has found that the amount of heat soaked up by the Earth’s oceans reached a record high for the sixth year in a row in 2022.
in Pakistan, were so strong, as the ocean has literally been fueling these disasters.
The fact that oceans are warming so rapidly is an alarming indicator of the pace of global warming. “Oceans contain an enormous amount of water, and compared to other substances, it takes a lot of heat to change the temperature of water,” former Scripps Institution of Oceanography researcher Linda Rasmussen. “The fact that we’re seeing such clear increases in ocean heat content, extending over decades now, shows that there is a significant change underway.
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Another Year of Record Heat for the Oceans - Advances in Atmospheric SciencesChanges in ocean heat content (OHC), salinity, and stratification provide critical indicators for changes in Earth’s energy and water cycles. These cycles have been profoundly altered due to the emission of greenhouse gasses and other anthropogenic substances by human activities, driving pervasive changes in Earth’s climate system. In 2022, the world’s oceans, as given by OHC, were again the hottest in the historical record and exceeded the previous 2021 record maximum. According to IAP/CAS data, the 0–2000 m OHC in 2022 exceeded that of 2021 by 10.9 ± 8.3 ZJ (1 Zetta Joules=1021 Joules); and according to NCEI/NOAA data, by 9.1 ± 8.7 ZJ. Among seven regions, four basins (the North Pacific, North Atlantic, the Mediterranean Sea, and southern oceans) recorded their highest OHC since the 1950s. The salinity-contrast index, a quantification of the “salty gets saltier—fresh gets fresher” pattern, also reached its highest level on record in 2022, implying continued amplification of the global hydrological cycle. Regional OHC and salinity changes in 2022 were dominated by a strong La Niña event. Global upper-ocean stratification continued its increasing trend and was among the top seven in 2022.
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