Kunfeng Gao
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View article: Profiling pollen and biomass burning particles over Payerne, Switzerland using laser-induced fluorescence lidar and in situ techniques during the 2023 PERICLES campaign
Profiling pollen and biomass burning particles over Payerne, Switzerland using laser-induced fluorescence lidar and in situ techniques during the 2023 PERICLES campaign Open
Vertical profiles of pollen and biomass burning particles were obtained at a semi-rural site at the MeteoSwiss station near Payerne (Switzerland) using a novel multi-channel elastic-fluorescence lidar combined with in situ measurements dur…
View article: On the drivers of ice nucleating particle diurnal variability in Eastern Mediterranean clouds
On the drivers of ice nucleating particle diurnal variability in Eastern Mediterranean clouds Open
We report the drivers of spatiotemporal variability of ice nucleating particles (INPs) for mixed-phase orographic clouds (~−25 °C) in the Eastern Mediterranean. In the planetary boundary layer, pronounced INP diurnal periodicity is observe…
View article: Quantifying densification effects on the morphology of nano-sized carbon black aggregates
Quantifying densification effects on the morphology of nano-sized carbon black aggregates Open
View article: Biological and dust aerosols as sources of ice-nucleating particles in the eastern Mediterranean: source apportionment, atmospheric processing and parameterization
Biological and dust aerosols as sources of ice-nucleating particles in the eastern Mediterranean: source apportionment, atmospheric processing and parameterization Open
Aerosol–cloud interactions in mixed-phase clouds (MPCs) are one of the most uncertain drivers of the hydrological cycle and climate change. A synergy of in situ, remote-sensing and modelling experiments were used to determine the source of…
View article: Drivers of droplet formation in east Mediterranean orographic clouds
Drivers of droplet formation in east Mediterranean orographic clouds Open
The purpose of this study is to understand the drivers of cloud droplet formation in orographic clouds. We used a combination of modeling, in situ, and remote sensing measurements at the high-altitude Helmos Hellenic Atmospheric Aerosol an…
View article: Unraveling ice multiplication in winter orographic clouds via in-situ observations, remote sensing and modeling
Unraveling ice multiplication in winter orographic clouds via in-situ observations, remote sensing and modeling Open
View article: Comment on egusphere-2024-511
Comment on egusphere-2024-511 Open
Abstract. Aerosol-cloud interactions in mixed-phase clouds (MPCs) are one of the most uncertain drivers of the hydrological cycle and climate change. A synergy of in-situ, remote sensing and modelling experiments was used …
View article: Comment on egusphere-2024-511
Comment on egusphere-2024-511 Open
Abstract. Aerosol-cloud interactions in mixed-phase clouds (MPCs) are one of the most uncertain drivers of the hydrological cycle and climate change. A synergy of in-situ, remote sensing and modelling experiments was used …
View article: Diurnal cycle of bioaerosols is a key driver of ice nucleating particle variability for Eastern Mediterranean orographic clouds
Diurnal cycle of bioaerosols is a key driver of ice nucleating particle variability for Eastern Mediterranean orographic clouds Open
We report the drivers of diurnal cycles of ice nucleating particles (INPs) for mixed-phase orographic clouds in the Eastern Mediterranean. In the planetary boundary layer, pronounced INP diurnal periodicity is observed, which is mainly dri…
View article: Comment on Foskinis et al 2024
Comment on Foskinis et al 2024 Open
Abstract. The purpose of this study is to understand the drivers of cloud droplet formation in orographic clouds. We used a combination of modeling, in-situ and remote sensing measurements at the high-altitude Hel…
View article: Influence of Lowering Soot‐Water Contact Angle on Ice Nucleation of Ozone‐Aged Soot
Influence of Lowering Soot‐Water Contact Angle on Ice Nucleation of Ozone‐Aged Soot Open
Organic‐lean and organic‐rich size‐selected soot particles were exposed to a varying O 3 concentration, progressively decreasing the soot‐water contact angle ( θ ) to study its impact on ice nucleation (IN). The IN ability of fresh and O 3…
View article: Supplementary material to "Drivers of Droplet Formation in East Mediterranean Orographic Clouds"
Supplementary material to "Drivers of Droplet Formation in East Mediterranean Orographic Clouds" Open
Figure S1 presents the averaged lognormal droplet size distribution for clouds with liquid water content greater than 0.1 g m -3 , based on Tables 1 and 2 of Miles et al. (2000) and using the grouping as defined by these authors.It is obvi…
View article: Drivers of Droplet Formation in East Mediterranean Orographic Clouds
Drivers of Droplet Formation in East Mediterranean Orographic Clouds Open
The purpose of this study is to understand the drivers of cloud droplet formation in orographic clouds. We used a combination of modeling, in-situ and remote sensing measurements at the high-altitude Helmos Hellenic Atmospheric Aerosol and…
View article: Source apportionment and parameterization of ice nucleating particles observed at a high-altitude station in the north-eastern Mediterranean in autumn 2021 during the CALISHTO campaign
Source apportionment and parameterization of ice nucleating particles observed at a high-altitude station in the north-eastern Mediterranean in autumn 2021 during the CALISHTO campaign Open
Aerosol source apportionment improves the understanding of aerosol-cloud interaction processes and benefits the parameterization of ice nucleating particles (INPs), which also contributes to the predictability of climate models for quantif…
View article: Biological and dust aerosol as sources of ice nucleating particles in the Eastern Mediterranean: source apportionment, atmospheric processing and parameterization
Biological and dust aerosol as sources of ice nucleating particles in the Eastern Mediterranean: source apportionment, atmospheric processing and parameterization Open
Aerosol-cloud interactions in mixed-phase clouds (MPCs) are one of the most uncertain drivers of the hydrological cycle and climate change. A synergy of in-situ, remote sensing and modelling experiments was used to determine the source of …
View article: Supplementary material to "Biological and dust aerosol as sources of ice nucleating particles in the Eastern Mediterranean: source apportionment, atmospheric processing and parameterization"
Supplementary material to "Biological and dust aerosol as sources of ice nucleating particles in the Eastern Mediterranean: source apportionment, atmospheric processing and parameterization" Open
View article: The Influence of the Planetary Boundary Layer on the Atmospheric State at an Orographic Site at the Eastern Mediterranean
The Influence of the Planetary Boundary Layer on the Atmospheric State at an Orographic Site at the Eastern Mediterranean Open
We studied the influence of the Planetary Boundary Layer (PBL) on the air masses sampled at the mountaintop Hellenic Atmospheric Aerosol and Climate Change station ((HAC) 2 ) at Mount Helmos (Greece) during the Cloud-AerosoL InteractionS i…
View article: Unraveling secondary ice production in winter orographic clouds through a synergy of in-situ observations, remote sensing and modeling
Unraveling secondary ice production in winter orographic clouds through a synergy of in-situ observations, remote sensing and modeling Open
Recent years have shown that secondary ice production (SIP) is ubiquitous, affecting all clouds from polar to tropical regions. SIP is not described well in models and for this may vastly underpredict ice crystal number concentrations in w…
View article: The importance of soot-water contact angle in soot ice nucleation ability in the cirrus regime
The importance of soot-water contact angle in soot ice nucleation ability in the cirrus regime Open
Soot particles emitted by aircraft in the troposphere can serve as ice nucleating particles (INPs) in the cirrus regime, which can compete with natural cirrus formation by homogeneous freezing of solution droplets and influence cirrus clou…
View article: Physicochemical properties of charcoal aerosols derived from biomass pyrolysis affect their ice-nucleating abilities at cirrus and mixed-phase cloud conditions
Physicochemical properties of charcoal aerosols derived from biomass pyrolysis affect their ice-nucleating abilities at cirrus and mixed-phase cloud conditions Open
Atmospheric aerosol particles play a key role in air pollution, health, and climate. Particles from biomass burning emissions are an important source of ambient aerosols, have increased over the past few decades, and are projected to furth…
View article: Impacts of Cloud‐Processing on Ice Nucleation of Soot Particles Internally Mixed With Sulfate and Organics
Impacts of Cloud‐Processing on Ice Nucleation of Soot Particles Internally Mixed With Sulfate and Organics Open
Soot particles are one of the major aerosol components (in particle number concentration) in the troposphere and can impact cirrus formation. Depending on their physicochemical properties, soot particles can nucleate ice in the cirrus regi…
View article: Physicochemical properties affect ice nucleating abilities of biomass burning derived charcoal aerosols at cirrus and mixed-phase cloud conditions
Physicochemical properties affect ice nucleating abilities of biomass burning derived charcoal aerosols at cirrus and mixed-phase cloud conditions Open
Atmospheric aerosol particles play a key role for air pollution, health and climate. Particles from biomass burning emissions are an important source of ambient aerosols and have increased over the past, and are projected to further surge …
View article: Impacts of Simulated Contrail Processing and Organic Content Change on the Ice Nucleation of Soot Particles
Impacts of Simulated Contrail Processing and Organic Content Change on the Ice Nucleation of Soot Particles Open
Soot particles may undergo cloud‐processing during atmospheric transport after which the particle porosity and surface wettability can be modified. Soot particles therefore show varying ice nucleation (IN) abilities via the pore condensati…
View article: Laboratory studies of ice nucleation onto bare and internally mixed soot–sulfuric acid particles
Laboratory studies of ice nucleation onto bare and internally mixed soot–sulfuric acid particles Open
Soot particles are potential candidates for ice-nucleating particles in cirrus cloud formation, which is known to exert a net-warming effect on climate. Bare soot particles, generally hydrophobic and fractal ones, mainly exist near emissio…
View article: Enhanced soot particle ice nucleation ability induced by aggregate compaction and densification
Enhanced soot particle ice nucleation ability induced by aggregate compaction and densification Open
Soot particles, acting as ice nucleating particles (INPs), can contribute to cirrus cloud formation, which has an important influence on climate. Aviation activities emitting soot particles into the upper troposphere can potentially impact…
View article: The dependence of soot particle ice nucleation ability on its volatile content
The dependence of soot particle ice nucleation ability on its volatile content Open
The removal of volatile content enhances the ice nucleation of soot particles by increasing the particle porosity and surface wettability.
View article: Comment on acp-2021-883
Comment on acp-2021-883 Open
Abstract. Soot particles, acting as ice nucleating particles (INPs), can contribute to cirrus cloud formation, which has an important influence on climate. Aviation activities emitting soot particles into the upper troposp…
View article: Comment on acp-2021-883
Comment on acp-2021-883 Open
Abstract. Soot particles, acting as ice nucleating particles (INPs), can contribute to cirrus cloud formation, which has an important influence on climate. Aviation activities emitting soot particles into the upper troposp…
View article: Enhanced soot particle ice nucleation ability induced by aggregate compaction and densification
Enhanced soot particle ice nucleation ability induced by aggregate compaction and densification Open
Soot particles, acting as ice nucleating particles (INPs), can contribute to cirrus cloud formation which has an important influence on climate. Aviation activities emitting soot particles in the upper troposphere can potentially impact ic…
View article: Comment on acp-2021-645
Comment on acp-2021-645 Open
Soot particles are important candidates for ice nucleating particles (INPs) in cirrus cloud formation which is known to exert a warming effect on climate. Bare soot particles, generally hydrophobic and fractal, mainly exist near emission s…