Aerosol–Climate Linkages Under Global Warming and Emission Transitions

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Aerosols".

Deadline for manuscript submissions: closed (27 March 2026) | Viewed by 815

Special Issue Editors

College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China
Interests: aerosol physics; climate change; wildfires-smoke-weather-climate interactions; aerosol-radiation-cloud interactions

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Guest Editor
Department of Earth and Environment Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
Interests: light-absorbing aerosols; radiative focings; aerosol-cloud interactions; agricultural irriagtion; biosphere-atmosphere interactions

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Guest Editor
College of Science, Northwest A&F University, Xianyang 712100, China
Interests: aerosol climate interactions; atmospheric boundary layer meteorology

Special Issue Information

Dear Colleagues,

Interactions among aerosols, radiation, and clouds play a crucial role in modulating the Earth’s climate system by altering the surface and atmospheric energy balance. Conversely, climate change can influence aerosol emissions and transport by modifying near-surface meteorological conditions and atmospheric circulation. While global mean aerosol optical depth (AOD) has shown a declining trend in recent years, largely due to clean energy policies and air quality regulations, a contrasting pattern has emerged in certain regions. In high-latitude areas of the Northern Hemisphere, where global warming is particularly pronounced, AOD has exhibited an increasing trend. This spatial divergence suggests a possible co-occurrence of warming and aerosol accumulation, highlighting the complex, regionally dependent nature of aerosol–climate linkages. Despite regional emission reductions, the possible positive feedback between aerosol loading and climate anomalies remains poorly understood. This highlights an urgent need to clarify the characteristics and mechanisms linking aerosols and climate in different parts of the world, especially under rapidly changing environmental conditions.

This Special Issue aims to bring together recent advances in understanding aerosol–climate interactions, including but not limited to observational analyses, numerical modeling, satellite retrievals, and theoretical frameworks. We welcome contributions that explore the spatial–temporal variations, interaction, and feedback mechanisms of aerosol and climate, and their implications for climate prediction and environmental policy.

Dr. Dongyou Wu
Dr. Tiangang Yuan
Dr. Zhida Zhang
Guest Editors

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Keywords

  • aerosol
  • natural aerosol
  • climate
  • global warming
  • spatial–temporal variations
  • interaction mechanisms

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Published Papers (1 paper)

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Research

17 pages, 2224 KB  
Article
Characterization of Hydrocarbon Compounds in Liquefied PM1 Aerosol Using Particle into Liquid System (PILS) Collected from the ARM Southern Great Plains Site of USA
by Xinxing Cao, Yan Li and Zhiguang Song
Atmosphere 2026, 17(4), 383; https://doi.org/10.3390/atmos17040383 - 9 Apr 2026
Viewed by 66
Abstract
The hydrocarbon composition of liquefied PM1 aerosol samples collected using the particle into liquid system (PILS) at the Atmospheric Radiation Measurement (ARM) site of the Southern Great Plains (SGP) of the USA was analyzed in terms of organic compound composition. The results indicate [...] Read more.
The hydrocarbon composition of liquefied PM1 aerosol samples collected using the particle into liquid system (PILS) at the Atmospheric Radiation Measurement (ARM) site of the Southern Great Plains (SGP) of the USA was analyzed in terms of organic compound composition. The results indicate that anthropogenic aliphatic compounds contributed significantly to the organic pool of PM1 fine aerosols in the ambient air of the rural area of the Southern Great Plains, with a broad range of aliphatic hydrocarbons (HCs) being the dominant organic component. The molecular markers of hopanes and steranes were generally absent or present in trace amounts in most samples, but a significant number of low-abundance hopanes and steranes were detected in only two samples, while the aromatic compounds were generally insignificant and comprised mainly low molecular weight naphthalene and its methylated derivatives. The overall composition of organic compounds and the back trajectories analysis for the sampling days suggest that the local petroleum refinery and vehicular emissions are the two major sources of the aliphatic and aromatic compounds in the fine aerosols, while plant wax may occasionally contribute a minor portion of organic matter. Furthermore, it was found that the organic composition of PM1 fine aerosol was clearly related to the ambient air temperature and suggests that the temperature is a controlling factor of organic aerosol formation. Full article
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