Articles | Volume 20, issue 13
https://doi.org/10.5194/acp-20-7645-2020
© Author(s) 2020. 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-20-7645-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
On the relationship between cloud water composition and cloud droplet number concentration
Alexander B. MacDonald
Department of Chemical and Environmental Engineering, University of
Arizona, Tucson, AZ, USA
Ali Hossein Mardi
Department of Chemical and Environmental Engineering, University of
Arizona, Tucson, AZ, USA
Hossein Dadashazar
Department of Chemical and Environmental Engineering, University of
Arizona, Tucson, AZ, USA
Mojtaba Azadi Aghdam
Department of Chemical and Environmental Engineering, University of
Arizona, Tucson, AZ, USA
Ewan Crosbie
Science Systems and Applications, Inc., Hampton, VA, USA
NASA Langley Research Center, Hampton, VA, USA
Haflidi H. Jonsson
Naval Postgraduate School, Monterey, CA, USA
Richard C. Flagan
Department of Chemical Engineering, California Institute of
Technology, Pasadena, CA, USA
John H. Seinfeld
Department of Chemical Engineering, California Institute of
Technology, Pasadena, CA, USA
Department of Chemical and Environmental Engineering, University of
Arizona, Tucson, AZ, USA
Department of Hydrology and Atmospheric Sciences, University of
Arizona, Tucson, AZ, USA
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Cited
9 citations as recorded by crossref.
- Cloud drop number concentrations over the western North Atlantic Ocean: seasonal cycle, aerosol interrelationships, and other influential factors H. Dadashazar et al. 10.5194/acp-21-10499-2021
- Airborne cloud water pH measurements in diverse regions: statistics and relationships with constituents K. Preisler et al. 10.1039/D5EA00070J
- On the Trend in Below-Cloud Solar Irradiance in The Netherlands versus That in Aerosol Sulfate Concentration S. Crumeyrolle et al. 10.3390/atmos13122037
- Measurement report: Closure analysis of aerosol–cloud composition in tropical maritime warm convection E. Crosbie et al. 10.5194/acp-22-13269-2022
- Constraining the Twomey effect from satellite observations: issues and perspectives J. Quaas et al. 10.5194/acp-20-15079-2020
- Total organic carbon and the contribution from speciated organics in cloud water: airborne data analysis from the CAMP2Ex field campaign C. Stahl et al. 10.5194/acp-21-14109-2021
- Sensitivity of aerosol and cloud properties to coupling strength of marine boundary layer clouds over the northwest Atlantic K. Zeider et al. 10.5194/acp-25-2407-2025
- Online-Coupled Aerosol Effects on Cloud Microphysics and Surface Solar Irradiance in WRF-Solar S. Wang et al. 10.3390/rs17162829
- Competition response of cloud supersaturation explains diminished Twomey effect for smoky aerosol in the tropical Atlantic J. Dedrick et al. 10.1073/pnas.2412247122
9 citations as recorded by crossref.
- Cloud drop number concentrations over the western North Atlantic Ocean: seasonal cycle, aerosol interrelationships, and other influential factors H. Dadashazar et al. 10.5194/acp-21-10499-2021
- Airborne cloud water pH measurements in diverse regions: statistics and relationships with constituents K. Preisler et al. 10.1039/D5EA00070J
- On the Trend in Below-Cloud Solar Irradiance in The Netherlands versus That in Aerosol Sulfate Concentration S. Crumeyrolle et al. 10.3390/atmos13122037
- Measurement report: Closure analysis of aerosol–cloud composition in tropical maritime warm convection E. Crosbie et al. 10.5194/acp-22-13269-2022
- Constraining the Twomey effect from satellite observations: issues and perspectives J. Quaas et al. 10.5194/acp-20-15079-2020
- Total organic carbon and the contribution from speciated organics in cloud water: airborne data analysis from the CAMP2Ex field campaign C. Stahl et al. 10.5194/acp-21-14109-2021
- Sensitivity of aerosol and cloud properties to coupling strength of marine boundary layer clouds over the northwest Atlantic K. Zeider et al. 10.5194/acp-25-2407-2025
- Online-Coupled Aerosol Effects on Cloud Microphysics and Surface Solar Irradiance in WRF-Solar S. Wang et al. 10.3390/rs17162829
- Competition response of cloud supersaturation explains diminished Twomey effect for smoky aerosol in the tropical Atlantic J. Dedrick et al. 10.1073/pnas.2412247122
Latest update: 15 Oct 2025
Short summary
Understanding how humans affect Earth's climate requires understanding of how particles in the air affect the number concentration of droplets in a cloud (Nd). We use the air-equivalent mass concentration of different chemical species contained in cloud water to predict Nd. In this study we found that the prediction of Nd is (1) best described by total sulfate; (2) improved when considering up to five species; and (3) dependent on factors like turbulence, smoke presence, and in-cloud height.
Understanding how humans affect Earth's climate requires understanding of how particles in the...
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