Articles | Volume 21, issue 6
https://doi.org/10.5194/acp-21-4979-2021
© Author(s) 2021. 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-21-4979-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
31 Mar 2021
Research article |
| 31 Mar 2021
| 31 Mar 2021
Constraints on global aerosol number concentration, SO2 and condensation sink in UKESM1 using ATom measurements
Ananth Ranjithkumar
CORRESPONDING AUTHOR
School of Earth and Environment, University of Leeds, LS2 9JT, United
Kingdom
Engineering Research Accelerator and Centre for Atmospheric Particle
Studies, Carnegie Mellon University, Pittsburgh, PA 15213, USA
School of Earth and Environment, University of Leeds, LS2 9JT, United
Kingdom
Christina Williamson
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO 80309, USA
NOAA Chemical Sciences Laboratory, Boulder, CO 80305, USA
Andrew Rollins
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO 80309, USA
Kirsty Pringle
School of Earth and Environment, University of Leeds, LS2 9JT, United
Kingdom
Agnieszka Kupc
NOAA Chemical Sciences Laboratory, Boulder, CO 80305, USA
Faculty of Physics, Aerosol Physics and Environmental Physics,
University of Vienna, 1090 Vienna, Austria
Nathan Luke Abraham
NCAS-Climate, University of Cambridge, CB2 1EW, UK
Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
Charles Brock
NOAA Chemical Sciences Laboratory, Boulder, CO 80305, USA
Ken Carslaw
School of Earth and Environment, University of Leeds, LS2 9JT, United
Kingdom
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- Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere X. He et al. 10.1126/science.adh2526
- Apportionment of the Pre‐Industrial to Present‐Day Climate Forcing by Methane Using UKESM1: The Role of the Cloud Radiative Effect F. O’Connor et al. 10.1029/2022MS002991
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- New particle formation from isoprene under upper-tropospheric conditions J. Shen et al. 10.1038/s41586-024-08196-0
- Secondary Organic Aerosol Formation Regulates Cloud Condensation Nuclei in the Global Remote Troposphere M. Liu & H. Matsui 10.1029/2022GL100543
- On the magnitude and sensitivity of the quasi-biennial oscillation response to a tropical volcanic eruption F. Brown et al. 10.5194/acp-23-5335-2023
- A reactive condensation particle counter for measuring atmospherically relevant concentrations of sulfuric acid D. Casalnuovo et al. 10.1080/02786826.2025.2459705
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- Last-millennium volcanic forcing and climate response using SO2 emissions L. Marshall et al. 10.5194/cp-21-161-2025
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- In situ observation of new particle formation (NPF) in the tropical tropopause layer of the 2017 Asian monsoon anticyclone – Part 2: NPF inside ice clouds R. Weigel et al. 10.5194/acp-21-13455-2021
- Seasonal dependency of the atmospheric oxidizing capacity of the marine boundary layer of Bermuda Y. Elshorbany et al. 10.1016/j.atmosenv.2022.119326
18 citations as recorded by crossref.
- UKESM1.1: development and evaluation of an updated configuration of the UK Earth System Model J. Mulcahy et al. 10.5194/gmd-16-1569-2023
- Characterization of a modified printed optical particle spectrometer for high-frequency and high-precision laboratory and field measurements S. Kasparoglu et al. 10.5194/amt-15-5007-2022
- NUMAC: Description of the Nested Unified Model With Aerosols and Chemistry, and Evaluation With KORUS‐AQ Data H. Gordon et al. 10.1029/2022MS003457
- Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere X. He et al. 10.1126/science.adh2526
- Apportionment of the Pre‐Industrial to Present‐Day Climate Forcing by Methane Using UKESM1: The Role of the Cloud Radiative Effect F. O’Connor et al. 10.1029/2022MS002991
- Development, intercomparison, and evaluation of an improved mechanism for the oxidation of dimethyl sulfide in the UKCA model B. Cala et al. 10.5194/acp-23-14735-2023
- Data supporting the North Atlantic Climate System Integrated Study (ACSIS) programme, including atmospheric composition; oceanographic and sea-ice observations (2016–2022); and output from ocean, atmosphere, land, and sea-ice models (1950–2050) A. Archibald et al. 10.5194/essd-17-135-2025
- Stratospheric air intrusions promote global-scale new particle formation J. Zhang et al. 10.1126/science.adn2961
- New particle formation from isoprene under upper-tropospheric conditions J. Shen et al. 10.1038/s41586-024-08196-0
- Secondary Organic Aerosol Formation Regulates Cloud Condensation Nuclei in the Global Remote Troposphere M. Liu & H. Matsui 10.1029/2022GL100543
- On the magnitude and sensitivity of the quasi-biennial oscillation response to a tropical volcanic eruption F. Brown et al. 10.5194/acp-23-5335-2023
- A reactive condensation particle counter for measuring atmospherically relevant concentrations of sulfuric acid D. Casalnuovo et al. 10.1080/02786826.2025.2459705
- Source attribution of cloud condensation nuclei and their impact on stratocumulus clouds and radiation in the south-eastern Atlantic H. Che et al. 10.5194/acp-22-10789-2022
- Last-millennium volcanic forcing and climate response using SO2 emissions L. Marshall et al. 10.5194/cp-21-161-2025
- Observation-based constraints on modeled aerosol surface area: implications for heterogeneous chemistry R. Bergin et al. 10.5194/acp-22-15449-2022
- A sulfuric acid nucleation potential model for the atmosphere J. Johnson & C. Jen 10.5194/acp-22-8287-2022
- In situ observation of new particle formation (NPF) in the tropical tropopause layer of the 2017 Asian monsoon anticyclone – Part 2: NPF inside ice clouds R. Weigel et al. 10.5194/acp-21-13455-2021
- Seasonal dependency of the atmospheric oxidizing capacity of the marine boundary layer of Bermuda Y. Elshorbany et al. 10.1016/j.atmosenv.2022.119326
Latest update: 18 May 2025
Short summary
The effect aerosols have on climate can be better understood by studying their vertical and spatial distribution throughout the atmosphere. We use observation data from the ATom campaign and evaluate the vertical profile of aerosol number concentration, sulfur dioxide and condensation sink using the UKESM (UK Earth System Model). We identify uncertainties in key atmospheric processes that help improve their theoretical representation in global climate models.
The effect aerosols have on climate can be better understood by studying their vertical and...
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