Articles | Volume 16, issue 4
https://doi.org/10.5194/esd-16-939-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/esd-16-939-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Review
| 
10 Jul 2025
Review |
| 10 Jul 2025
| 10 Jul 2025
The interaction of solar radiation modification with Earth system tipping elements
Gideon Futerman
CORRESPONDING AUTHOR
Department of Earth Sciences, University of Oxford, Oxford, OX1 3AN, United Kingdom
Mira Adhikari
Department of Geography, Kings College London, London, WC2B 4BG, United Kingdom
Alistair Duffey
Department of Earth Sciences, University College London, WC1E 6BT, United Kingdom
Yuanchao Fan
Institute of Environment and Ecology, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518000, China
Jessica Gurevitch
Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, United States of America
Peter Irvine
Department of Earth Sciences, University College London, WC1E 6BT, United Kingdom
Claudia Wieners
Institute for Marine and Atmospheric Research, Utrecht University, 3584 CC, Utrecht, the Netherlands
Related authors
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Francesco Guardamagna, Claudia Wieners, and Henk A. Dijkstra
Nonlin. Processes Geophys., 32, 201–224, https://doi.org/10.5194/npg-32-201-2025, https://doi.org/10.5194/npg-32-201-2025, 2025
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Artificial intelligence (AI) has recently shown promising results in ENSO (El Niño–Southern Oscillation) forecasting, outperforming traditional models. Yet AI models deliver accurate predictions without showing the underlying mechanisms. Our study examines a specific AI model, the reservoir computer (RC). Our results show that the RC is less sensitive to initial perturbations than the traditional Zebiak–Cane (ZC) model. This reduced sensitivity can explain the RC's superior skills.
Jared Farley, Douglas G. MacMartin, Daniele Visioni, Ben Kravitz, Ewa Bednarz, Alistair Duffey, and Matthew Henry
EGUsphere, https://doi.org/10.5194/egusphere-2025-1830, https://doi.org/10.5194/egusphere-2025-1830, 2025
This preprint is open for discussion and under review for Geoscientific Model Development (GMD).
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As the climate changes, many are studying sunlight reflection as a potential method of cooling. Such climate intervention could be deployed in many possible ways, including in scenarios where not every actor agrees on the strategy of cooling. These scenarios are so diverse that to explore all of them using earth system models proves to be too costly. In this paper, we develop a simplified climate model that allows users to easily explore climate intervention scenarios of their choice.
Jasper de Jong, Daniel Pflüger, Simone Lingbeek, Claudia E. Wieners, Michiel L. J. Baatsen, and René R. Wijngaard
EGUsphere, https://doi.org/10.22541/essoar.174273333.31930996/v1, https://doi.org/10.22541/essoar.174273333.31930996/v1, 2025
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Injection of reflective sulphate aerosols high in the atmosphere is a proposed method to mitigate global warming. Climate simulations with injection are more expensive than standard future projections. We propose a method that dynamically scales the forcing fields based on pre-existing full-complexity data. This opens up possibilities for ensemble generation, new scenarios and higher resolution runs. We show that our method works for multiple model versions, injection scenarios and resolutions.
James F. O'Neill, Tamsin L. Edwards, Daniel F. Martin, Courtney Shafer, Stephen L. Cornford, Hélène L. Seroussi, Sophie Nowicki, Mira Adhikari, and Lauren J. Gregoire
The Cryosphere, 19, 541–563, https://doi.org/10.5194/tc-19-541-2025, https://doi.org/10.5194/tc-19-541-2025, 2025
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We use an ice sheet model to simulate the Antarctic contribution to sea level over the 21st century under a range of future climates and varying how sensitive the ice sheet is to different processes. We find that ocean temperatures increase and more snow falls on the ice sheet under stronger warming scenarios. When the ice sheet is sensitive to ocean warming, ocean melt-driven loss exceeds snowfall-driven gains, meaning that the sea level contribution is greater with more climate warming.
Daniele Peano, Deborah Hemming, Christine Delire, Yuanchao Fan, Hanna Lee, Stefano Materia, Julia E. M .S. Nabel, Taejin Park, David Wårlind, Andy Wiltshire, and Sönke Zaehle
EGUsphere, https://doi.org/10.5194/egusphere-2024-4114, https://doi.org/10.5194/egusphere-2024-4114, 2025
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Earth System Models are the principal tools for scientists to study past, present, and future climate changes. This work investigates the ability of a set of them to represent the observed changes in vegetation, which are vital to estimating the impact of future climate mitigation and adaptation strategies. This study highlights the main limitations in correctly representing vegetation variability. These tools still need further development to improve our understanding of future changes.
Claudia Elisabeth Wieners and Guðmundur Hálfdanarson
Nat. Hazards Earth Syst. Sci., 24, 2971–2994, https://doi.org/10.5194/nhess-24-2971-2024, https://doi.org/10.5194/nhess-24-2971-2024, 2024
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After the 1783 Laki eruption, excess mortality in Iceland was one-sixth of the population, traditionally explained by famine due to livestock loss. Since 1970, it has been suggested that 1) fluorine poisoning may have contributed to mortality in Iceland and 2) air pollution might have caused excess deaths in both Iceland and Europe. Reviewing contemporary Icelandic demographic data, air pollution simulations, and medical records on fluorosis, we show that evidence for both hypotheses is weak.
Alistair Duffey, Robbie Mallett, Peter J. Irvine, Michel Tsamados, and Julienne Stroeve
Earth Syst. Dynam., 14, 1165–1169, https://doi.org/10.5194/esd-14-1165-2023, https://doi.org/10.5194/esd-14-1165-2023, 2023
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The Arctic is warming several times faster than the rest of the planet. Here, we use climate model projections to quantify for the first time how this faster warming in the Arctic impacts the timing of crossing the 1.5 °C and 2 °C thresholds defined in the Paris Agreement. We show that under plausible emissions scenarios that fail to meet the Paris 1.5 °C target, a hypothetical world without faster warming in the Arctic would breach that 1.5 °C target around 5 years later.
Koen G. Helwegen, Claudia E. Wieners, Jason E. Frank, and Henk A. Dijkstra
Earth Syst. Dynam., 10, 453–472, https://doi.org/10.5194/esd-10-453-2019, https://doi.org/10.5194/esd-10-453-2019, 2019
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We use the climate-economy model DICE to perform a cost–benefit analysis of sulfate geoengineering, i.e. producing a thin artificial sulfate haze in the higher atmosphere to reflect some sunlight and cool the Earth.
We find that geoengineering can increase future welfare by reducing global warming, and should be taken seriously as a policy option, but it can only complement, not replace, carbon emission reduction. The best policy is to combine CO2 emission reduction with modest geoengineering.
Y. Fan, O. Roupsard, M. Bernoux, G. Le Maire, O. Panferov, M. M. Kotowska, and A. Knohl
Geosci. Model Dev., 8, 3785–3800, https://doi.org/10.5194/gmd-8-3785-2015, https://doi.org/10.5194/gmd-8-3785-2015, 2015
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A perennial crop model CLM-Palm is developed, including multilayer structure, phenology, and carbon and nitrogen allocation functions, for modeling an important oil palm agricultural system in the tropical regions. Simulated LAI, yield and NPP were calibrated and validated with multiple sites in Sumatra, Indonesia. The new model allows exploring the effects of tropical land use change, from natural ecosystems to monoculture plantations on carbon, water and energy cycles and regional climate.
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Short summary
This review assesses the interaction of solar radiation modification (SRM), a technology to reduce the impacts of climate change by reflecting sunlight and earth system tipping elements. We find that SRM at least partially reduces the risk of hitting most (9 out of 15) of the tipping points we studied relative to the same emission pathway and did not overall worsen the risk for any. Uncertainties for all tipping elements studied were high, so we also lay out suggestions for future research.
This review assesses the interaction of solar radiation modification (SRM), a technology to...
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