Advances in Aerosol–Cloud–Precipitation–Climate Interactions: Observation, Modeling and Mechanism

A special issue of Climate (ISSN 2225-1154).

Deadline for manuscript submissions: 30 April 2026 | Viewed by 792

Special Issue Editors


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Guest Editor
Department of Atmospheric and Oceanic Sciences, Fudan University, Shanghai, China
Interests: aerosols, clouds, precipitation and climate interactions; land-atmosphere interactions; climate and weather extremes

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Guest Editor
Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China
Interests: climate variability; climate change; extreme climate events; extreme precipitation; drought; moisture cycle; atmospheric water vapor; evapotranspiration
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Special Issue Information

Dear Colleagues,

Aerosol–cloud–precipitation–climate interactions are of great significance for understanding global climate change, regional weather processes, and environmental effects. Aerosols can impact clouds and precipitation and further climate via aerosol indirect effects, which in turn impact aerosols. Besides aerosol indirect effects, aerosol–radiation interaction regulates clouds, precipitation, and climate as well. To better understand the multi-scale mechanisms of aerosol–cloud–precipitation–climate interactions, multi-source observations and a hierarchy of numerical models are leveraged. As anthropogenic aerosols decline, natural aerosols may play an increasingly important role in the future, so understanding how clouds, precipitation, and climate respond to this change is crucial.

This Special Issue aims to understand complex mechanisms and the multi-scale interactions among aerosols, clouds, precipitation, and climate through observations and modeling. Topics include, but are not limited to, the following:

  • Basic properties of aerosols and clouds and their changes in the future;
  • Interactions and uncertainties among aerosols, clouds, radiation, precipitation, and climate: the impact of aerosols on cloud macro- and microscopic properties, precipitation formation, and climate feedback;
  • Advanced observation techniques: the application of new methods such as satellite remote sensing, ground observations, and drones in the study of aerosol–cloud–precipitation interactions;
  • A hierarchy of numerical models: simulations from large eddy simulations to global climate models and parameterization improvements to better represent aerosol, cloud, and precipitation processes in those models;
  • Weather and climate extremes induced and/or enhanced by aerosol–cloud–precipitation–climate interactions;
  • Important roles of aerosols in the upper troposphere and stratosphere.

Prof. Dr. Yong Wang
Dr. Junqiang Yao
Guest Editors

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Keywords

  • aerosols
  • clouds
  • aerosol–cloud–precipitation interactions
  • climate change
  • observations
  • numerical model simulations
  • weather and climate extremes

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Published Papers (1 paper)

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Research

27 pages, 1438 KB  
Article
Investigating the Influence of Galactic Cosmic Ray-Modulated Aerosol Optical Depth on Near-Surface Air Temperature Variability over the Past Two Decades
by Faezeh Karimian Sarakhs, Salvatore De Pasquale and Fabio Madonna
Climate 2026, 14(3), 71; https://doi.org/10.3390/cli14030071 - 16 Mar 2026
Viewed by 481
Abstract
Atmospheric aerosols modulate Earth’s radiation balance through direct effects and through their role as cloud condensation nuclei (CCN), contributing to variability in near-surface temperature (NST). Galactic cosmic rays (GCRs) further influence aerosol–cloud interactions by enhancing particle formation and growth, but combined aerosol optical [...] Read more.
Atmospheric aerosols modulate Earth’s radiation balance through direct effects and through their role as cloud condensation nuclei (CCN), contributing to variability in near-surface temperature (NST). Galactic cosmic rays (GCRs) further influence aerosol–cloud interactions by enhancing particle formation and growth, but combined aerosol optical depth (AOD)–GCR effects on NST remain poorly constrained across climates. Using satellite and reanalysis data, we examine joint influences on NST anomalies at three neutron-monitoring stations, Oulu, Newark, and Hermanus, during 2000–2022. The sites share similar geomagnetic cutoffs but contrasting climates, enabling separation of ionization from geomagnetic shielding. Multiple linear regression (MLR) captures AOD effects and their modulation by GCR flux. Adding an interaction term (AOD × GCR) improves fit, raising adjusted R2 from 0.22→0.31 (Oulu), 0.37→0.52 (Newark), and 0.69→0.78 (Hermanus). ECMWF reanalysis shows hydrophilic organic matter aerosol (OMA) dominates (0.19, 0.29, 0.41 µg kg−1 at Oulu, Newark and Hermanus), with sulphate elevated at Oulu/Newark and coarse sea salt at Hermanus. Elevated OMA and sulphate at Oulu/Newark imply GCR-enhanced fine CCN and cooling, whereas humid, sea-salt-rich Hermanus favors ion-mediated growth of larger hygroscopic particles that increase longwave trapping and warming. Findings provide site-specific evidence that GCR ionization modulates aerosol processes and contributes to regional NST variability, informing improved parameterizations in climate models. Full article
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