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View article: Preparation of the Super-sophobic Oil Surface on Steel Substrate by Composite Electrodeposition
Preparation of the Super-sophobic Oil Surface on Steel Substrate by Composite Electrodeposition Open
View article: Informing City-Scale Air Pollution Episodes Using Hourly Time-Scale Measurements of PM<sub>2.5</sub> Molecular and Elemental Tracers at an Air Quality Research Supersite in Hong Kong
Informing City-Scale Air Pollution Episodes Using Hourly Time-Scale Measurements of PM<sub>2.5</sub> Molecular and Elemental Tracers at an Air Quality Research Supersite in Hong Kong Open
While general monitoring stations provide essential data on criteria air pollutants across a larger area, air quality research supersites offer comprehensive chemical composition measurements, albeit with limited spatial coverage. This stu…
View article: Abundance of volatile organic compounds and their role in ozone pollution management: Evidence from multi-platform observations and model representations during the 2021–2022 field campaign in Hong Kong
Abundance of volatile organic compounds and their role in ozone pollution management: Evidence from multi-platform observations and model representations during the 2021–2022 field campaign in Hong Kong Open
Volatile organic compounds (VOCs) are a diverse group of species that contribute to ozone formation. However, our understanding of VOC dynamics and their effect on ozone pollution is limited by the lack of long-term, continuous, and specia…
View article: Supplementary material to "The critical role of oxygenated volatile organic compounds (OVOCs) in shaping photochemical O <sub>3</sub> chemistry and control strategy in a subtropical coastal environment"
Supplementary material to "The critical role of oxygenated volatile organic compounds (OVOCs) in shaping photochemical O <sub>3</sub> chemistry and control strategy in a subtropical coastal environment" Open
View article: The critical role of oxygenated volatile organic compounds (OVOCs) in shaping photochemical O <sub>3</sub> chemistry and control strategy in a subtropical coastal environment
The critical role of oxygenated volatile organic compounds (OVOCs) in shaping photochemical O <sub>3</sub> chemistry and control strategy in a subtropical coastal environment Open
Photochemical ozone (O3) pollution remains a persistent environmental challenge, and growing evidence highlights the critical role of oxygenated volatile organic compounds (OVOCs) in photochemical processes. However, comprehensive and quan…
View article: An optimal sequential physical retrieval system for retrieving high-accuracy diurnal atmospheric gases from FY-4B/GIIRS: Theory, algorithm and evaluation
An optimal sequential physical retrieval system for retrieving high-accuracy diurnal atmospheric gases from FY-4B/GIIRS: Theory, algorithm and evaluation Open
The Geostationary Interferometric Infrared Sounder (GIIRS) onboard the FY-4B satellite is the world's first and currently the only operational hyperspectral thermal infrared sounder in geostationary orbit, with the unique advantage of cont…
View article: Real-time point-cloud-based vehicle fleet monitoring system on the edge, edge computing, and deep learning technique
Real-time point-cloud-based vehicle fleet monitoring system on the edge, edge computing, and deep learning technique Open
View article: Advancing Atmospheric Detection of Weakly Absorbing Reactive Trace Gases Using the FY-3E/HIRAS-II TIR Sounder on a Dawn–Dusk Orbit
Advancing Atmospheric Detection of Weakly Absorbing Reactive Trace Gases Using the FY-3E/HIRAS-II TIR Sounder on a Dawn–Dusk Orbit Open
Weakly absorbing reactive trace gases play important roles in the atmospheric environment and usually have short lifetimes ranging from seconds to days. HIRAS-II, the second hyperspectral infrared atmospheric sounder aboard the world's fir…
View article: Vertical changes in volatile organic compounds (VOCs) and impacts on photochemical ozone formation
Vertical changes in volatile organic compounds (VOCs) and impacts on photochemical ozone formation Open
Volatile organic compounds (VOCs) play crucial roles in regulating the formation of tropospheric ozone. However, limited knowledge on the interactions between vertical VOC variations and photochemical ozone formation in the planetary bound…
View article: The UCI Fluxtron: A versatile dynamic chamber and software system for biosphere–atmosphere exchange research
The UCI Fluxtron: A versatile dynamic chamber and software system for biosphere–atmosphere exchange research Open
Here we present the UCI Fluxtron, a cost-effective multi-enclosure dynamic gas exchange system that provides an adequate level of control of the experimental conditions for investigating biosphere-atmosphere exchange of trace gases. We foc…
View article: Tracking Source Variations of Inhalation Cancer Risks and Ozone Formation Potential in Hong Kong over Two Decades (2000–2020) Using Toxic Air Pollutant Monitoring Data
Tracking Source Variations of Inhalation Cancer Risks and Ozone Formation Potential in Hong Kong over Two Decades (2000–2020) Using Toxic Air Pollutant Monitoring Data Open
Toxic air pollutants (TAPs) are a class of airborne chemicals known or suspected to cause serious health issues. This study, applying positive matrix factorization and inhalation unit risk estimates of TAPs, quantifies the changes in signi…
View article: Seasonal Variation and Origins of C1–C5 Alkyl Nitrates Observed During One-Year Measurement at a Coastal Site in Hong Kong
Seasonal Variation and Origins of C1–C5 Alkyl Nitrates Observed During One-Year Measurement at a Coastal Site in Hong Kong Open
View article: Diurnal Carbon Monoxide Retrieval from FY-4B/GIIRS Using a Novel Machine Learning Method
Diurnal Carbon Monoxide Retrieval from FY-4B/GIIRS Using a Novel Machine Learning Method Open
Carbon monoxide (CO) is one of the primary reactive trace gases in the Earth’s atmosphere and plays an important role in atmospheric chemistry. The Geostationary Interferometric Infrared Sounder (GIIRS) onboard the FY-4 series satellites i…
View article: Intra- and interannual changes in isoprene emission from central Amazonia
Intra- and interannual changes in isoprene emission from central Amazonia Open
Isoprene emissions are a key component in biosphere–atmosphere interactions, and the most significant global source is the Amazon rainforest. However, intra- and interannual variations in biological and environmental factors that regulate …
View article: Potential Implications of the Sesquiterpene Presence over the Remote Marine Boundary Layer in the Arctic Region
Potential Implications of the Sesquiterpene Presence over the Remote Marine Boundary Layer in the Arctic Region Open
We present reactive VOC observations over the North Pacific and the Arctic Ocean from airborne and shipborne measurements, investigating, in particular, distributions of biogenic volatile organic compounds that may be emitted from phytopla…
View article: Comment on egusphere-2023-168
Comment on egusphere-2023-168 Open
Abstract. Isoprene is a chemical compound emitted naturally by soil, microorganisms, plants, and animals into the atmosphere. But plants are the largest emission source, and the amount of emission depends on plant species,…
View article: Study of ambient halocarbons in Hong Kong: temporal variability and implication on source origins
Study of ambient halocarbons in Hong Kong: temporal variability and implication on source origins Open
Halocarbons have been recognized for their role as major ozone-depleting substances (ODSs) since the 1970s, and some also function as greenhouse gases (GHGs). International agreements, such as the Montreal Protocol, Kyoto Protocol, and Par…
View article: Intra- and inter-annual changes in isoprene emission from central Amazonia
Intra- and inter-annual changes in isoprene emission from central Amazonia Open
Isoprene is a chemical compound emitted naturally by soil, microorganisms, plants, and animals into the atmosphere. But plants are the largest emission source, and the amount of emission depends on plant species, weather conditions, and en…
View article: Intra- and inter-annual changes in isoprene emission from central Amazonia
Intra- and inter-annual changes in isoprene emission from central Amazonia Open
Isoprene emissions are a key component in biosphere-atmosphere interactions, and the most significant global source is the Amazon rainforest. However, intra- and inter-annual variations in biological and environmental factors that regulate…
View article: Impacts of Drought and Rehydration Cycles on Isoprene Emissions in Populus nigra Seedlings
Impacts of Drought and Rehydration Cycles on Isoprene Emissions in Populus nigra Seedlings Open
The volatile organic compounds emitted by plants significantly impact the atmospheric environment. The impacts of drought stress on the biogenic volatile organic compound (BVOC) emissions of plants are still under debate. In this study, th…
View article: Geostationary satellite reveals increasing marine isoprene emissions in the center of the equatorial Pacific Ocean
Geostationary satellite reveals increasing marine isoprene emissions in the center of the equatorial Pacific Ocean Open
Isoprene is the most abundant non-methane biogenic volatile organic compound in the Earth’s atmosphere and has the potential to influence photochemistry in the remote ocean–atmosphere. Marine isoprene emission estimates vary over multiple …
View article: Chemical evolution of secondary organic aerosol tracers during high-PM <sub>2.5</sub> episodes at a suburban site in Hong Kong over 4 months of continuous measurement
Chemical evolution of secondary organic aerosol tracers during high-PM <sub>2.5</sub> episodes at a suburban site in Hong Kong over 4 months of continuous measurement Open
Secondary organic aerosol (SOA) makes a sizable contribution to fine-particulate-matter (PM2.5) pollution, especially during high-PM episodes. Past studies of SOA evolution at the episode scale mainly rely on measurements of bulk SOA mass,…
View article: Supplementary material to "Chemical evolution of secondary organic aerosol tracers during high PM <sub>2.5</sub> episodes at a suburban site in Hong Kong over 4 months of continuous measurement"
Supplementary material to "Chemical evolution of secondary organic aerosol tracers during high PM <sub>2.5</sub> episodes at a suburban site in Hong Kong over 4 months of continuous measurement" Open
View article: Chemical evolution of secondary organic aerosol tracers during high PM <sub>2.5</sub> episodes at a suburban site in Hong Kong over 4 months of continuous measurement
Chemical evolution of secondary organic aerosol tracers during high PM <sub>2.5</sub> episodes at a suburban site in Hong Kong over 4 months of continuous measurement Open
Secondary organic aerosol (SOA) makes a sizable contribution to fine particulate matter (PM2.5) pollution, especially during episodic hours. Past studies of SOA evolution at episode-scale mainly rely on measurements of bulk SOA mass and fe…
View article: Simulation of Isoprene Emission with Satellite Microwave Emissivity Difference Vegetation Index as Water Stress Factor in Southeastern China during 2008
Simulation of Isoprene Emission with Satellite Microwave Emissivity Difference Vegetation Index as Water Stress Factor in Southeastern China during 2008 Open
Isoprene is one of the most important biogenic volatile organic compounds (BVOCs) emitted by vegetation. The biogenic isoprene emissions are widely estimated by the Model of Emission of Gases and Aerosols from Nature (MEGAN) considering di…
View article: Reconciling Observed and Predicted Tropical Rainforest OH Concentrations
Reconciling Observed and Predicted Tropical Rainforest OH Concentrations Open
We present OH observations made in Amazonas, Brazil during the Green Ocean Amazon campaign (GoAmazon2014/5) from February to March of 2014. The average diurnal variation of OH peaked with a midday (10:00–15:00) average of 1.0 × 10 6 (±0.6 …
View article: Modeling sensitivities of BVOCs to different versions of MEGAN emission schemes in WRF-Chem (v3.6) and its impacts over eastern China
Modeling sensitivities of BVOCs to different versions of MEGAN emission schemes in WRF-Chem (v3.6) and its impacts over eastern China Open
Biogenic volatile organic compounds (BVOCs) simulated by current air quality and climate models still have large uncertainties, which can influence atmospheric chemistry and secondary pollutant formation. These modeling sensitivities are p…
View article: Contributions to OH reactivity from unexplored volatile organic compounds measured by PTR-ToF-MS – a case study in a suburban forest of the Seoul metropolitan area during the Korea–United States Air Quality Study (KORUS-AQ) 2016
Contributions to OH reactivity from unexplored volatile organic compounds measured by PTR-ToF-MS – a case study in a suburban forest of the Seoul metropolitan area during the Korea–United States Air Quality Study (KORUS-AQ) 2016 Open
We report OH reactivity observations by a chemical ionization mass spectrometer–comparative reactivity method (CIMS-CRM) instrument in a suburban forest of the Seoul metropolitan area (SMA) during the Korea–United States Air Quality Study …
View article: Comment on gmd-2021-29
Comment on gmd-2021-29 Open
Abstract. Biogenic volatile organic compounds (BVOCs) simulated by current air quality and climate models still have large uncertainties, which can influence atmospheric chemistry and secondary pollutant formation. These m…
View article: Comment on gmd-2021-29
Comment on gmd-2021-29 Open
Abstract. Biogenic volatile organic compounds (BVOCs) simulated by current air quality and climate models still have large uncertainties, which can influence atmospheric chemistry and secondary pollutant formation. These m…