Articles | Volume 17, issue 10
https://doi.org/10.5194/amt-17-3279-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-17-3279-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
29 May 2024
Research article |
| 29 May 2024
| 29 May 2024
Geostationary aerosol retrievals of extreme biomass burning plumes during the 2019–2020 Australian bushfires
Daniel J. V. Robbins
CORRESPONDING AUTHOR
School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia
ARC Centre of Excellence for Climate Extremes, Monash University, Melbourne, VIC 3800, Australia
Caroline A. Poulsen
School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia
Science and Innovation Group, Australian Bureau of Meteorology, Melbourne, VIC 3001, Australia
Steven T. Siems
School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia
ARC Centre of Excellence for Climate Extremes, Monash University, Melbourne, VIC 3800, Australia
ARC SRI Securing Antarctica's Environmental Future, Melbourne, VIC 3800, Australia
Simon R. Proud
STFC RAL Space and the National Centre for Earth Observation, Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
National Centre for Earth Observation, Space Park Leicester, Leicester, LE4 5SP, UK
Andrew T. Prata
School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia
ARC SRI Securing Antarctica's Environmental Future, Melbourne, VIC 3800, Australia
now at: Commonwealth Scientific and Industrial Research Organisation Environment, Research Way, Clayton, VIC 3168, Australia
Roy G. Grainger
National Centre for Earth Observation, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK
Adam C. Povey
National Centre for Earth Observation, University of Oxford, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK
now at: School of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, UK
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Trace gases and aerosols (tiny airborne particles) are released from a variety of point sources around the globe. Examples include volcanoes, industrial chimneys, forest fires, and ship stacks. These sources provide opportunistic experiments with which to quantify the role of aerosols in modifying cloud properties. We review the current state of understanding on the influence of aerosol on climate built from the wide range of natural and anthropogenic laboratories investigated in recent decades.
Johannes de Leeuw, Anja Schmidt, Claire S. Witham, Nicolas Theys, Isabelle A. Taylor, Roy G. Grainger, Richard J. Pope, Jim Haywood, Martin Osborne, and Nina I. Kristiansen
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Using the NAME dispersion model in combination with high-resolution SO2 satellite data from TROPOMI, we investigate the dispersion of volcanic SO2 from the 2019 Raikoke eruption. NAME accurately simulates the dispersion of SO2 during the first 2–3 weeks after the eruption and illustrates the potential of using high-resolution satellite data to identify potential limitations in dispersion models, which will ultimately help to improve efforts to forecast the dispersion of volcanic clouds.
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Aerosols are an important component of the Earth system. Here, we comprehensively document and evaluate the aerosol schemes as implemented in the physical and Earth system models, HadGEM3-GC3.1 and UKESM1. This study provides a useful characterisation of the aerosol climatology in both models, facilitating the understanding of the numerous aerosol–climate interaction studies that will be conducted for CMIP6 and beyond.
Nick Schutgens, Andrew M. Sayer, Andreas Heckel, Christina Hsu, Hiren Jethva, Gerrit de Leeuw, Peter J. T. Leonard, Robert C. Levy, Antti Lipponen, Alexei Lyapustin, Peter North, Thomas Popp, Caroline Poulsen, Virginia Sawyer, Larisa Sogacheva, Gareth Thomas, Omar Torres, Yujie Wang, Stefan Kinne, Michael Schulz, and Philip Stier
Atmos. Chem. Phys., 20, 12431–12457, https://doi.org/10.5194/acp-20-12431-2020, https://doi.org/10.5194/acp-20-12431-2020, 2020
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We intercompare 14 different datasets of satellite observations of aerosol. Such measurements are challenging but also provide the best opportunity to globally observe an atmospheric component strongly related to air pollution and climate change. Our study shows that most datasets perform similarly well on a global scale but that locally errors can be quite different. We develop a technique to estimate satellite errors everywhere, even in the absence of surface reference data.
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Short summary
Extreme wildfire events are becoming more common with climate change. The smoke plumes associated with these wildfires are not captured by current operational satellite products due to their high optical thickness. We have developed a novel aerosol retrieval for the Advanced Himawari Imager to study these plumes. We find very high values of optical thickness not observed in other operational satellite products, suggesting these plumes have been missed in previous studies.
Extreme wildfire events are becoming more common with climate change. The smoke plumes...
