Articles | Volume 22, issue 17
https://doi.org/10.5194/acp-22-11381-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-11381-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Sep 2022
Research article |
| 06 Sep 2022
| 06 Sep 2022
Below-cloud scavenging of aerosol by rain: a review of numerical modelling approaches and sensitivity simulations with mineral dust in the Met Office's Unified Model
Anthony C. Jones
CORRESPONDING AUTHOR
Met Office, Fitzroy Road, Exeter, EX1 3PB, UK
Adrian Hill
Met Office, Fitzroy Road, Exeter, EX1 3PB, UK
John Hemmings
Met Office, Fitzroy Road, Exeter, EX1 3PB, UK
Pascal Lemaitre
Institute for Radiation Protection and Nuclear Safety (IRSN),
PSN-RES, SCA, LPMA, Fontenay-aux-Roses, 92260, France
Arnaud Quérel
Institute for Radiation Protection and Nuclear Safety (IRSN),
PSE-SANTE, SESUC, BMCA, Fontenay-aux-Roses, 92260, France
Claire L. Ryder
Department of Meteorology, University of Reading, Reading, RG6 6BB, UK
Stephanie Woodward
Met Office, Fitzroy Road, Exeter, EX1 3PB, UK
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12 citations as recorded by crossref.
- Long-range transport of coarse mineral dust: an evaluation of the Met Office Unified Model against aircraft observations N. Ratcliffe et al. 10.5194/acp-24-12161-2024
- PM<sub>2.5</sub> Concentration Decreases with Snowfall as Revealed by Surface Observation Data R. Fujino et al. 10.2151/sola.2025-013
- Modeling below-cloud scavenging of size-resolved particles in GEM-MACHv3.1 R. Ghahreman et al. 10.5194/gmd-17-685-2024
- Influence of electrostatic collection on scavenging of submicron-sized aerosols by cloud droplets and raindrops V. Vučković et al. 10.1080/02786826.2023.2251551
- Below-cloud scavenging of aerosol by rain: a review of numerical modelling approaches and sensitivity simulations with mineral dust in the Met Office's Unified Model A. Jones et al. 10.5194/acp-22-11381-2022
- The key role of atmospheric absorption in the Asian summer monsoon response to dust emissions in CMIP6 models A. Zhao et al. 10.5194/acp-24-13385-2024
- Intra-event evolution of elemental and ionic concentrations in wet deposition in an urban environment T. Audoux et al. 10.5194/acp-23-13485-2023
- An optimisation method to improve modelling of wet deposition in atmospheric transport models: applied to FLEXPART v10.4 S. Van Leuven et al. 10.5194/gmd-16-5323-2023
- Quantifying the impact of global nitrate aerosol on tropospheric composition fields and its production from lightning NOx A. Luhar et al. 10.5194/acp-24-14005-2024
- Ensemble of Below-Cloud Scavenging Models for Assessing the Uncertainty Characteristics in Wet Raindrop Deposition Modeling A. Kiselev et al. 10.3390/atmos14020398
- Empirical estimation of size-resolved scavenging coefficients derived from in-situ measurements at background sites in Korea during 2013–2020 Y. Choi et al. 10.1016/j.atmosres.2023.106971
- The wet scavenging of air pollutants through artificial precipitation enhancement: A case study in the Yangtze River Delta Y. Wu et al. 10.3389/fenvs.2022.1027902
11 citations as recorded by crossref.
- Long-range transport of coarse mineral dust: an evaluation of the Met Office Unified Model against aircraft observations N. Ratcliffe et al. 10.5194/acp-24-12161-2024
- PM<sub>2.5</sub> Concentration Decreases with Snowfall as Revealed by Surface Observation Data R. Fujino et al. 10.2151/sola.2025-013
- Modeling below-cloud scavenging of size-resolved particles in GEM-MACHv3.1 R. Ghahreman et al. 10.5194/gmd-17-685-2024
- Influence of electrostatic collection on scavenging of submicron-sized aerosols by cloud droplets and raindrops V. Vučković et al. 10.1080/02786826.2023.2251551
- Below-cloud scavenging of aerosol by rain: a review of numerical modelling approaches and sensitivity simulations with mineral dust in the Met Office's Unified Model A. Jones et al. 10.5194/acp-22-11381-2022
- The key role of atmospheric absorption in the Asian summer monsoon response to dust emissions in CMIP6 models A. Zhao et al. 10.5194/acp-24-13385-2024
- Intra-event evolution of elemental and ionic concentrations in wet deposition in an urban environment T. Audoux et al. 10.5194/acp-23-13485-2023
- An optimisation method to improve modelling of wet deposition in atmospheric transport models: applied to FLEXPART v10.4 S. Van Leuven et al. 10.5194/gmd-16-5323-2023
- Quantifying the impact of global nitrate aerosol on tropospheric composition fields and its production from lightning NOx A. Luhar et al. 10.5194/acp-24-14005-2024
- Ensemble of Below-Cloud Scavenging Models for Assessing the Uncertainty Characteristics in Wet Raindrop Deposition Modeling A. Kiselev et al. 10.3390/atmos14020398
- Empirical estimation of size-resolved scavenging coefficients derived from in-situ measurements at background sites in Korea during 2013–2020 Y. Choi et al. 10.1016/j.atmosres.2023.106971
Latest update: 30 May 2025
Short summary
As raindrops fall to the ground, they capture aerosol (i.e. below-cloud scavenging or BCS). Many different BCS schemes are available to climate models, and it is unclear what the impact of selecting one scheme over another is. Here, various BCS models are outlined and then applied to mineral dust in climate model simulations. We find that dust concentrations are highly sensitive to the BCS scheme, with dust atmospheric lifetimes ranging from 5 to 44 d.
As raindrops fall to the ground, they capture aerosol (i.e. below-cloud scavenging or BCS). Many...
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