Thanks for sharing Barbara. As I understand it this study provides further confirmation of Hansen's view by finding consistent acceleration (increasing of the rate of warming) of global warming by using more differentiated warming metrics than (the standard) global mean surface temperature.
>From the abstract: "Global heating of the Earth system is unequivocal. However, detecting an acceleration of Earth heating has remained elusive to date, despite suggestive evidence of a potential increase in heating rates. In this study, we demonstrate that since 1960, the warming of the world ocean has accelerated at a relatively consistent pace of 0.15 ± 0.05 (W/m 2 )/decade, while the land, cryosphere, and atmosphere have exhibited an accelerated pace of 0.013 ± 0.003 (W/m 2 )/decade." And from the Intro: " Detecting changes in the rate of warming is crucial for informed decision-making in international climate negotiations, with the aim of limiting global warming to specific levels. In this paper, we address this challenge by examining the global heat accumulation rate across the entire climate system, including the ocean, atmosphere, cryosphere, and land. By focusing on this integrated view, rather than solely relying on changes in global mean surface temperature, we can mitigate the impact of variability and gain a more compre- hensive understanding 4,5 .Global heat accumulation in the climate system, resulting from the current positive Earth’s Energy Imbalance (EEI) at the top of the atmosphere, is primarily dominated by changes in Global Ocean Heat Content (GOHC)4 . GOHC changes account for approximately 90% of the total heat increase in the past fifty years, while land heat- ing, ice melting, and atmospheric warming contribute around 5%, 3%, and 1% respectively 6–8 ." Perhaps this is not too surprising as the second author of this paper, von Schuckmann, is also a co-author of the Hansen et al pipeline paper - though this appears to be an independent confirmation using different data than used in that paper. Best, Ron ---------- Forwarded message --------- From: Barbara Sneath <[email protected]> Date: Tue, Jan 2, 2024 at 1:56 PM Subject: Robust acceleration of Earth system heating observed over the past six decades To: Ron Baiman <[email protected]> Dear Ron, FYI, this open access article was just published in Nature. Robust acceleration of Earth system heating observed over the past six decades https://www.nature.com/articles/s41598-023-49353-1 Best wishes, Barbara -- You received this message because you are subscribed to the Google Groups "geoengineering" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/geoengineering/CAPhUB9B5r8GaOXnr8UmHDaYLNMUv3%3DgBt08yBzkH0eyBgth0OA%40mail.gmail.com.
