Zhenhao Ling
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View article: Development of SOA modules in the WRF-Chem model and evaluation of the key formation pathways of SOA and associated health risk over mainland China
Development of SOA modules in the WRF-Chem model and evaluation of the key formation pathways of SOA and associated health risk over mainland China Open
Secondary Organic Aerosol (SOA), a vital component of fine particulate matter (PM2.5), formation of which is significantly affected by precursors, meteorological factors and the levels of oxidants. However, identifying their roles in SOA a…
View article: Enhanced mechanical properties and wear resistance of Al–Cu–Mg alloy fabricated by press-and-sinter processing
Enhanced mechanical properties and wear resistance of Al–Cu–Mg alloy fabricated by press-and-sinter processing Open
Two of the main challenges facing the current application of press-and-sinter aluminium alloys are poor densification and insufficient properties such as mechanical properties and wear resistance. In this work, the press-and-sinter Al–4.4C…
View article: NeutronTP: Load-Balanced Distributed Full-Graph GNN Training with Tensor Parallelism
NeutronTP: Load-Balanced Distributed Full-Graph GNN Training with Tensor Parallelism Open
Graph neural networks (GNNs) have emerged as a promising direction. Training large-scale graphs that relies on distributed computing power poses new challenges. Existing distributed GNN systems leverage data parallelism by partitioning the…
View article: Measurement report: Atmospheric nitrate radical chemistry in the South China Sea influenced by the urban outflow of the Pearl River Delta
Measurement report: Atmospheric nitrate radical chemistry in the South China Sea influenced by the urban outflow of the Pearl River Delta Open
The nitrate radical (NO3) is a critical nocturnal atmospheric oxidant in the troposphere, which widely affects the fate of air pollutants and regulates air quality. Many previous works have reported the chemistry of NO3 in inland regions o…
View article: Comment on egusphere-2023-1401
Comment on egusphere-2023-1401 Open
Abstract. Nitrate radical (NO3) is a critical nocturnal atmospheric oxidant in the troposphere, which widely affects the fate of air pollutants and regulates air quality. Many previous works have reported the chemistry of NO3 in inland reg…
View article: Measurement report: Atmospheric nitrate radical chemistry in the South China Sea influenced by the urban outflow of the Pearl River Delta
Measurement report: Atmospheric nitrate radical chemistry in the South China Sea influenced by the urban outflow of the Pearl River Delta Open
Nitrate radical (NO3) is a critical nocturnal atmospheric oxidant in the troposphere, which widely affects the fate of air pollutants and regulates air quality. Many previous works have reported the chemistry of NO3 in inland regions of Ch…
View article: Characteristics of Fine Particulate Matter (PM2.5)-Bound n-Alkanes and Polycyclic Aromatic Hydrocarbons (PAHs) in a Hong Kong Suburban Area
Characteristics of Fine Particulate Matter (PM2.5)-Bound n-Alkanes and Polycyclic Aromatic Hydrocarbons (PAHs) in a Hong Kong Suburban Area Open
PM2.5 samples were collected at Tung Chung (TC), Hong Kong, during four nonconsecutive months in 2011/2012 to determine the concentrations, seasonal variations, and potential sources of polycyclic aromatic hydrocarbons (PAHs) and n-alkanes…
View article: Secondary Formation and Impacts of Gaseous Nitro-Phenolic Compounds in the Continental Outflow Observed at a Background Site in South China
Secondary Formation and Impacts of Gaseous Nitro-Phenolic Compounds in the Continental Outflow Observed at a Background Site in South China Open
Nitro-phenolic compounds (NPs) have attracted increasing attention because of their health risks and impacts on visibility, climate, and atmospheric chemistry. Despite many measurements of particulate NPs, the knowledge of their gaseous ab…
View article: Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation
Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation Open
The dicarbonyls glyoxal (Gly) and methylglyoxal (Mgly) have been recognized as important precursors of secondary organic aerosols (SOAs) through the atmospheric heterogeneous process. In this study, field measurement was conducted at a rec…
View article: Supplementary material to "Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation"
Supplementary material to "Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation" Open
Table S1.Model scenarios used for gas-phase Mgly.Model scenarios Description INITIAL Default MCMv3.2, without considering the reversible and irreversible uptake of Mgly and the gas-particle partitioning of other oxidation products.
View article: Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation
Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation Open
The dicarbonyls, glyoxal (Gly) and methylglyoxal (Mgly) have been recognized as important precursors of secondary organic aerosols (SOAs) through the atmospheric heterogeneous process. In this study, field measurement was conducted at a re…
View article: Contributions of different anthropogenic volatile organic compound sources to ozone formation at a receptor site in the Pearl River Delta region and its policy implications
Contributions of different anthropogenic volatile organic compound sources to ozone formation at a receptor site in the Pearl River Delta region and its policy implications Open
Volatile organic compounds (VOCs) are key precursors of photochemical smog. Quantitatively evaluating the contributions of VOC sources to ozone (O3) formation could provide valuable information for emissions control and photochemical pollu…
View article: Emission inventory of semi-volatile and intermediate-volatility organic compounds and their effects on secondary organic aerosol over the Pearl River Delta region
Emission inventory of semi-volatile and intermediate-volatility organic compounds and their effects on secondary organic aerosol over the Pearl River Delta region Open
Semi-volatile and intermediate-volatility organic compounds (S–IVOCs) are considered critical precursors of secondary organic aerosol (SOA), which is an important component of fine particulate matter (PM2.5). However, knowledge of the cont…
View article: Emission inventory of semi-volatile and intermediate volatility organic compounds and theireffectson SOA over the Pearl River Delta region
Emission inventory of semi-volatile and intermediate volatility organic compounds and theireffectson SOA over the Pearl River Delta region Open
Semi-volatile and intermediate volatility organic compounds (S/IVOCs) are considered as critical precursors of secondary organic aerosol (SOA), which is an important component of fine particulate matter (PM2.5). However, the knowledge on t…
View article: Contributions of different anthropogenic volatile organic compound sources to ozone formation at a receptor site in the Pearl River Delta region and its policy implications
Contributions of different anthropogenic volatile organic compound sources to ozone formation at a receptor site in the Pearl River Delta region and its policy implications Open
Volatile organic compounds (VOCs) are key precursors of photochemical smog. Quantitatively evaluating the contributions of VOCs sources to ozone (O3) formation could provide valuable information for emissions control and photochemical poll…
View article: PAN–Precursor Relationship and Process Analysis of PAN Variations in the Pearl River Delta Region
PAN–Precursor Relationship and Process Analysis of PAN Variations in the Pearl River Delta Region Open
Peroxy acetyl nitrate (PAN) is an important photochemical product formed from the reactions between volatile organic compounds (VOCs) and nitrogen oxides (NOx) under sunlight. In this study, a field measurement was conducted at a rural sit…
View article: Ozone pollution around a coastal region of South China Sea: interaction between marine and continental air
Ozone pollution around a coastal region of South China Sea: interaction between marine and continental air Open
Marine atmosphere is usually considered to be a clean environment, but this study indicates that the near-coast waters of the South China Sea (SCS) suffer from even worse air quality than coastal cities. The analyses were based on concurre…
View article: Modeling the impact of chlorine emissions from coal combustion and prescribed waste incineration on tropospheric ozone formation in China
Modeling the impact of chlorine emissions from coal combustion and prescribed waste incineration on tropospheric ozone formation in China Open
Chlorine radicals can enhance atmospheric oxidation, which potentially increases tropospheric ozone concentration. However, few studies have been done to quantify the impact of chlorine emissions on ozone formation in China due to the lack…
View article: Ozone pollution around a coastal region of South China Sea: Interaction between marine and continental air
Ozone pollution around a coastal region of South China Sea: Interaction between marine and continental air Open
Marine atmosphere is usually considered to be a clean environment, while this study indicates that the near-coast waters of South China Sea (SCS) suffered from even worse air quality than coastal cities. The analyses were based on concurre…
View article: Modeling the impact of chlorine emissions from coal combustion and prescribed waste incineration on tropospheric ozone formation in China
Modeling the impact of chlorine emissions from coal combustion and prescribed waste incineration on tropospheric ozone formation in China Open
Chlorine radicals can enhance atmospheric oxidation which potentially increase tropospheric ozone concentration. However, few studies have been done to quantify the impact of chlorine emissions on ozone formation in China due to lack of ch…
View article: Long-term O <sub>3</sub> –precursor relationships in Hong Kong: field observation and model simulation
Long-term O <sub>3</sub> –precursor relationships in Hong Kong: field observation and model simulation Open
Over the past 10 years (2005–2014), ground-level O3 in Hong Kong has consistently increased in all seasons except winter, despite the yearly reduction of its precursors, i.e. nitrogen oxides (NOx = NO + NO2), total volatile organic compoun…