Record-breaking 2023 marine heatwaves (IMAGE)

American Association for the Advancement of Science (AAAS)

Record-breaking 2023 marine heatwaves

Caption

Across warming seas, record-breaking marine heatwaves in 2023 underscored the growing vulnerability of ecosystems and human livelihoods. These events contributed to fishery losses and revealed region-specific drivers, including enhanced shortwave radiation, oceanic advection, and changes in upper-ocean stratification. Together, these mechanisms illustrate the intensifying influence of climate variability on ocean heat extremes.

Credit

Zhenzhong Zeng

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