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Acceleration of the ocean warming from 1961 to 2022 unveiled by large-ensemble reanalyses

Earth Sciences

Acceleration of the ocean warming from 1961 to 2022 unveiled by large-ensemble reanalyses

A. Storto and C. Yang

Discover groundbreaking findings by Andrea Storto and Chunxue Yang as they explore ocean warming over the past six decades. This research reveals a striking acceleration in ocean heat content, particularly in high latitudes, with 2022 marking an unprecedented peak. Join in on the revelations surrounding regional uncertainties and their implications for our understanding of oceanic changes.

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Playback language: English
Abstract
This study investigates ocean warming from 1961-2022 using a large ensemble reanalysis system (CIGAR). Results show a 62-year warming of 0.43 ± 0.08 W m⁻², with a statistically significant acceleration of 0.15 ± 0.04 W m⁻² dec⁻¹, peaking at high latitudes. 2022 saw the maximum yearly ocean heat content (OHC) in 11.6% of the global ocean area, nearly double any previous year. Major OHC uncertainty is found in the tropics, with global uncertainty around 40% before and 15% after the mid-2000s. Regional trend uncertainty is largely influenced by observation calibration (high latitudes) and sea surface temperature data uncertainty (low latitudes).
Publisher
Nature Communications
Published On
Jan 16, 2024
Authors
Andrea Storto, Chunxue Yang
Tags
ocean warming
ocean heat content
climate change
high latitudes
tropics
uncertainty

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