Articles | Volume 17, issue 1
https://doi.org/10.5194/acp-17-21-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-21-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Why do general circulation models overestimate the aerosol cloud lifetime effect? A case study comparing CAM5 and a CRM
Cheng Zhou
CORRESPONDING AUTHOR
Department of Climate and Space Sciences and Engineering, University of Michigan,
Ann Arbor, Michigan, USA
Joyce E. Penner
Department of Climate and Space Sciences and Engineering, University of Michigan,
Ann Arbor, Michigan, USA
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- Significant climate impacts of aerosol changes driven by growth in energy use and advances in emission control technology A. Zhao et al. 10.5194/acp-19-14517-2019
- Multifaceted aerosol effects on precipitation P. Stier et al. 10.1038/s41561-024-01482-6
- Reducing the aerosol forcing uncertainty using observational constraints on warm rain processes J. Mülmenstädt et al. 10.1126/sciadv.aaz6433
- Aerosol Indirect Effects in Marine Stratocumulus: The Importance of Explicitly Predicting Cloud Droplet Activation I. Bulatovic et al. 10.1029/2018GL081746
- Strong constraints on aerosol–cloud interactions from volcanic eruptions F. Malavelle et al. 10.1038/nature22974
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- The Fall and Rise of the Global Climate Model J. Mülmenstädt & L. Wilcox 10.1029/2021MS002781
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- The Future of Climate Modelling: Weather Details, Macroweather Stochastics—Or Both? S. Lovejoy 10.3390/meteorology1040027
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- Surprising similarities in model and observational aerosol radiative forcing estimates E. Gryspeerdt et al. 10.5194/acp-20-613-2020
- Aerosol indirect effects on the temperature–precipitation scaling N. Da Silva et al. 10.5194/acp-20-6207-2020
- The Radiative Forcing of Aerosol–Cloud Interactions in Liquid Clouds: Wrestling and Embracing Uncertainty J. Mülmenstädt & G. Feingold 10.1007/s40641-018-0089-y
- The role of anthropogenic aerosols in future precipitation extremes over the Asian Monsoon Region A. Zhao et al. 10.1007/s00382-018-4514-7
Latest update: 26 Dec 2024
Short summary
Observation-based studies have shown that the aerosol cloud lifetime effect or the increase of cloud liquid water with increased aerosol loading may have been overestimated in climate models. Here, by simulating the same shallow, warm clouds using a global climate model (CAM5) and a cloud resolving model (CRM) which has more complete and detailed cloud physics, we show how a climate model can overestimate the aerosol cloud lifetime effect due to its simplified representation of cloud processes.
Observation-based studies have shown that the aerosol cloud lifetime effect or the increase of...
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