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Monthly average ocean heat content in the top 2,000 meters
Ocean heat content is measured relative to the 1971–2000 average, which is set at zero for reference. It is measured in 10²² joules. For reference, 10²² joules are equal to approximately 17 times the amount of energy used globally every year.
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NOAA National Centers for Environmental Information – Heat Content Monthly Basin Time Series (2026)
Attribution: NOAA/NCEI
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