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Roy Grainger

As seen in: Nature
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Articles by Roy Grainger

Major volcanic eruptions episodically disrupted the continuity of polar warming through aerosol forcing

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By Basudev Swain, Scott M. Osprey, Roy Grainger, Rui Song, Marco Vountas
| Nature Verified
Abstract The polar regions are warming rapidly, exceeding the global average due to greenhouse gas emissions from human activities. Using CMIP6 simulations, HadCRUT5 data, and MERRA-2 aerosol records, this study shows that major 20th-century volcanic eruptions, Agung (1963), El Chichón (1982), and Pinatubo (1991) temporarily offset polar warming through sulfate-induced cooling.
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Coal plants persist as a large barrier to the global solar energy transition

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By Rui Song, Feng Yin, Jan-Peter Muller, Adam Povey, Basudev Swain, Chenchen Huang, Roy Grainger
| Nature Verified
Abstract The global energy transition depends on solar photovoltaic (PV) power displacing fossil fuels to deliver projected climate and air quality benefits. However, aerosol pollution from co-located coal plants actively suppresses PV energy production. Here a global, facility-level dataset shows that aerosols reduced global PV generation by 5.8% in 2023 (111 TWh).
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Insights of aerosol-precipitation nexus in the central Arctic through CMIP6 climate models - npj Climate and Atmospheric Science

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By Basudev Swain, Luca Lelli, Sachin S. Gunthe, Roy Grainger, Julia Schmale, Vittal Hari, Manfred Wendisch
| Nature Verified
Abstract The Arctic is experiencing heightened precipitation, affected by aerosols impacting rainfall and snowfall. However, sparse aerosol observations in the central Arctic cryosphere contribute to uncertainties in simulating aerosol-precipitation two-way interaction. This study examines aerosol-precipitation co-variation in various climate models during the Arctic spring and summer seasons from 2003 to 2011, leveraging satellite-based aerosol data and various CMIP6 climate models.
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Is Anthropogenic Global Warming Accelerating?

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By Stuart I. Jenkins, Adam Povey, Andrew Gettelman, Roy Grainger
| ametsoc.org
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