Ocean temperature broke every record in 2025
Ocean warming is not uniform, and the hottest areas are tropical and South Atlantic, North Pacific and Southern Ocean, according to a study by 31 organizations and more than 50 scientists around the world.
Corals at the bottom of the sea.
The world's oceans accumulated more heat last year than in any other year, since modern measurements began, and again reached their historic peak, as in the previous nine years. Moreover, oceanic warming is not uniform: the hottest areas are the tropical ocean and the South Atlantic, the North Pacific and the Southern Ocean.
31 organizations around the world and more than 50 scientists have participated inthe research published this Friday by the journal Advances in Atmospheric Sciences .
According to this, by 2025 heat grew by 23 cettajuls, equivalent to 37 years of primary energy consumption in the world (natural sources used to produce electricity or petrol, such as oil, coal or natural gas).
Similarly, ocean warming is not uniform, and some areas are warming faster than others: by 2025, about 16% of the world's ocean surface had broken all records, and about 33% was among the three hottest values in its historical records.
In addition, the study shows that oceanic warming is clearly gora from the 1990s to its historic peak in 2025.
In 2025, the overall average annual temperature of the marine surface was the third warmest since records were recorded, and remained approximately 0.5 ° C above the reference average of 1981-2010, although slightly below 2023 and 2024.
Experts have pointed out that the rise in ocean temperature causes sea level rise , heatwaves and extreme weather events increase and prolong like floods.
The ocean absorbs more than 90% of the excess heat captured by greenhouse gases , making it the climate system's main heat reservoir.
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