Ru‐Jin Huang
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View article: Differentiation of primary and secondary marine organic aerosol with machine learning
Differentiation of primary and secondary marine organic aerosol with machine learning Open
Marine primary organic aerosols (POAs) are important components of the marine climate system, regulating solar radiation budget and cloud dynamics. Despite their importance, there is a lack of extensive long-term observations of POA proper…
View article: Comment on egusphere-2025-2521
Comment on egusphere-2025-2521 Open
View article: Reply on RC2
Reply on RC2 Open
View article: Reply on RC1
Reply on RC1 Open
View article: Growing role of secondary organic aerosol in the North China Plain from 2014 to 2024
Growing role of secondary organic aerosol in the North China Plain from 2014 to 2024 Open
Since the Clean Air Act was implemented in 2013, China has witnessed a reduction of over 50 % in the annual average concentration of fine particulate matter (PM2.5). Despite these emission cuts, the formation mechanism of secondary organic…
View article: Supplementary material to "Contrasting Inland-Coastal Aerosol Mixing States: An Entropy-Based Metric for CCN Activity"
Supplementary material to "Contrasting Inland-Coastal Aerosol Mixing States: An Entropy-Based Metric for CCN Activity" Open
View article: Contrasting Inland-Coastal Aerosol Mixing States: An Entropy-Based Metric for CCN Activity
Contrasting Inland-Coastal Aerosol Mixing States: An Entropy-Based Metric for CCN Activity Open
Simplified assumptions of aerosol hygroscopic mixing states in modeling studies often introduce substantial uncertainties in estimating cloud condensation nuclei (CCN) concentrations and their climatic impacts. This study systematically in…
View article: Distinct bimodal size distribution in number concentration and light absorption of sub-500 nm brown carbon particles
Distinct bimodal size distribution in number concentration and light absorption of sub-500 nm brown carbon particles Open
Brown carbon (BrC) aerosols impact climate and air quality through light absorption, but their size-resolved characteristics remain unclear. This study employs a novel positive matrix factorization (PMF) approach constrained by light absor…
View article: Machine learning significantly improves the simulation of hourly-to-yearly scale cloud nuclei concentration and radiative forcing in polluted atmosphere
Machine learning significantly improves the simulation of hourly-to-yearly scale cloud nuclei concentration and radiative forcing in polluted atmosphere Open
The accurate prediction of cloud condensation nuclei (CCN) number concentration (NCCN) on a large spatiotemporal scale is challenging but critical to evaluate the aerosol cloud interaction (ACI) effect. Combining multi-source dataset and t…
View article: Supplementary material to "Machine learning significantly improves the simulation of hourly-to-yearly scale cloud nuclei concentration and radiative forcing in polluted atmosphere"
Supplementary material to "Machine learning significantly improves the simulation of hourly-to-yearly scale cloud nuclei concentration and radiative forcing in polluted atmosphere" Open
View article: Reduction in Organic Aerosol from Coal Combustion is Partially Offset by Enhanced Secondary Formation during the Beijing Coal Burning Ban
Reduction in Organic Aerosol from Coal Combustion is Partially Offset by Enhanced Secondary Formation during the Beijing Coal Burning Ban Open
A coal ban policy in northern China during winter 2017 enforced a switch from coal to gas or electricity for residential heating, providing a unique opportunity to study the effect of reduced coal combustion emissions on organic aerosol (O…
View article: Supplementary material to "Differentiation of primary and secondary marine organic aerosol with machine learning"
Supplementary material to "Differentiation of primary and secondary marine organic aerosol with machine learning" Open
View article: Differentiation of primary and secondary marine organic aerosol with machine learning
Differentiation of primary and secondary marine organic aerosol with machine learning Open
Marine primary organic aerosols (POA) are important components of the marine climate system, regulating solar radiation budget and cloud dynamics. Despite their importance, there is a lack of extensive long-term observations of POA propert…
View article: Chemical characterization of organic vapors from wood, straw, cow dung, and coal burning
Chemical characterization of organic vapors from wood, straw, cow dung, and coal burning Open
Solid fuel (SF) combustions, including coal and biomass, are important sources of pollutants in the particle and gas phase and therefore have significant implications for air quality, climate, and human health. In this study, we systematic…
View article: Enhancing the Durability of Pt Catalysts in the Oxygen Reduction Reaction by Confinement Effect of Mesoporous Carbon
Enhancing the Durability of Pt Catalysts in the Oxygen Reduction Reaction by Confinement Effect of Mesoporous Carbon Open
View article: Online Measurements during Simulated Atmospheric Aging Track the Strongly Increasing Oxidative Potential of Complex Combustion Aerosols Relative to Their Primary Emissions
Online Measurements during Simulated Atmospheric Aging Track the Strongly Increasing Oxidative Potential of Complex Combustion Aerosols Relative to Their Primary Emissions Open
Oxidative potential (OP) is increasingly recognized as a more health-relevant metric than particulate matter (PM) mass concentration because of its response to varying chemical compositions. Given the limited research on the OP of complex …
View article: Measurement report: Oxidation potential of water-soluble aerosol components in the south and north of Beijing
Measurement report: Oxidation potential of water-soluble aerosol components in the south and north of Beijing Open
Water-soluble components significantly contribute to the oxidative potential (OP) of atmospheric fine particles (PM2.5), but our understanding of the water-soluble PM2.5 OP and its sources, as well as its relationship with water-soluble co…
View article: Open-Pit Image Detection Based on Improved Faster – RCNN
Open-Pit Image Detection Based on Improved Faster – RCNN Open
Remote sensing image open-pit mine monitoring is usually affected by speckle noise, multi-scale and other factors due to the limitations of landform and other conditions, and faces the problem of low availability of monitoring area effect.…
View article: The Pivotal Role of Heavy Terpenes and Anthropogenic Interactions in New Particle Formation on the Southeastern Qinghai-Tibet Plateau
The Pivotal Role of Heavy Terpenes and Anthropogenic Interactions in New Particle Formation on the Southeastern Qinghai-Tibet Plateau Open
Aerosol particles originating from the Qinghai-Tibet Plateau (QTP) readily reach the free troposphere, potentially affecting global radiation and climate. Although new particle formation (NPF) is frequently observed at such high altitudes,…
View article: Aerosol optical properties within the atmospheric boundary layer predicted from ground-based observations compared to Raman lidar retrievals during RITA-2021
Aerosol optical properties within the atmospheric boundary layer predicted from ground-based observations compared to Raman lidar retrievals during RITA-2021 Open
In this study, we utilised ground-based in situ measurements of the aerosol chemical composition and particle size distribution, along with meteorological data from the European Centre for Medium-Range Weather Forecasts (ECMWF), to predict…
View article: Measurement report: Size-resolved secondary organic aerosol formation modulated by aerosol water uptake in wintertime haze
Measurement report: Size-resolved secondary organic aerosol formation modulated by aerosol water uptake in wintertime haze Open
This study investigated the potential effects of changes in inorganics on aerosol water uptake and, thus, on secondary organic aerosol (SOA) formation in wintertime haze based on the size-resolved measurements of non-refractory fine partic…
View article: Condensation of organic-inorganic vapours governs the production of ultrafine secondary marine cloud nuclei
Condensation of organic-inorganic vapours governs the production of ultrafine secondary marine cloud nuclei Open
Ultrafine secondary marine aerosol (<100 nm), formed via gas-to-particle conversion, can make an important contribution to the number of cloud condensation nuclei in the marine boundary layer. It has long been known that the growth of ultr…
View article: Reply on RC1
Reply on RC1 Open
Abstract. Solid fuel (SF) combustions, including coal and biomass, are important sources of pollutants in the particle and gas phase and therefore have significant implications for air quality, climate, and human health. I…
View article: Widespread 2013-2020 decreases and reduction challenges of organic aerosol in China
Widespread 2013-2020 decreases and reduction challenges of organic aerosol in China Open
View article: Comment on egusphere-2024-1161
Comment on egusphere-2024-1161 Open
Abstract. Solid fuel (SF) combustions, including coal and biomass, are important sources of pollutants in the particle and gas phase and therefore have significant implications for air quality, climate, and human health. I…
View article: Organic vapors from wood, straw, cow dung, and coal burning using Vocus PTR-TOF
Organic vapors from wood, straw, cow dung, and coal burning using Vocus PTR-TOF Open
Solid fuel (SF) combustions, including coal and biomass, are important sources of pollutants in the particle and gas phase and therefore have significant implications for air quality, climate, and human health. In this study, we systematic…
View article: Comment on egusphere-2024-680
Comment on egusphere-2024-680 Open
Abstract. Water-soluble components have significant contribution to the oxidative potential (OP) of atmospheric fine particles, while our understanding of their relationship is still limited. In this study, the water-solub…
View article: Measurement report: Oxidation potential of water-soluble aerosol components in the southern and northern of Beijing
Measurement report: Oxidation potential of water-soluble aerosol components in the southern and northern of Beijing Open
Water-soluble components have significant contribution to the oxidative potential (OP) of atmospheric fine particles, while our understanding of their relationship is still limited. In this study, the water-soluble OP levels in wintertime …
View article: Supplementary material to "Measurement report: Oxidation potential of water-soluble aerosol components in the southern and northern of Beijing"
Supplementary material to "Measurement report: Oxidation potential of water-soluble aerosol components in the southern and northern of Beijing" Open
View article: Measurement report: Evaluation of the TOF-ACSM-CV for PM <sub>1.0</sub> and PM <sub>2.5</sub> measurements during the RITA-2021 field campaign
Measurement report: Evaluation of the TOF-ACSM-CV for PM <sub>1.0</sub> and PM <sub>2.5</sub> measurements during the RITA-2021 field campaign Open
The recently developed time-of-flight aerosol chemical speciation monitor with a capture vaporizer and a PM2.5 aerodynamic lens (TOF-ACSM-CV-PM2.5) aims to improve the collection efficiency and chemical characterization of aerosol particle…