Fabian Mahrt
YOU?
Author Swipe
View article: Influence of Relative Humidity and Seed Particles on Molecular Composition of α-Pinene Secondary Organic Aerosol
Influence of Relative Humidity and Seed Particles on Molecular Composition of α-Pinene Secondary Organic Aerosol Open
Secondary organic aerosol (SOA), a major component of submicrometer particles, is critical to the climate and human health. SOA can form through nucleation of low-volatility organic compounds, following atmospheric oxidation, or by condens…
View article: Photochemistry of iron-containing secondary organic aerosol is impacted by relative humidity during formation
Photochemistry of iron-containing secondary organic aerosol is impacted by relative humidity during formation Open
View article: Multiphase Chemistry in the Atmosphere
Multiphase Chemistry in the Atmosphere Open
Earth’s atmosphere comprises a complex mix of gas and condensed phases, where condensed phases facilitate multiphase chemical reactions that would not occur in the gas phase alone. These reactions drive dynamic physical and chemical proces…
View article: Measurement report: The Fifth International Workshop on Ice Nucleation phase 1 (FIN-01): intercomparison of single-particle mass spectrometers
Measurement report: The Fifth International Workshop on Ice Nucleation phase 1 (FIN-01): intercomparison of single-particle mass spectrometers Open
Knowledge of the chemical composition and mixing state of aerosols at a single-particle level is critical for gaining insights into atmospheric processes. One common tool to make these measurements is single-particle mass spectrometry. The…
View article: Iron-Containing Seed Particles Enhance α-Pinene Secondary Organic Aerosol Mass Concentration and Dimer Formation
Iron-Containing Seed Particles Enhance α-Pinene Secondary Organic Aerosol Mass Concentration and Dimer Formation Open
Secondary organic aerosol (SOA) comprises the majority of submicron particles and is important for air pollution, health, and climate. When SOA mixes with inorganic particles containing transition metals (e.g., Fe), chemical reactions alte…
View article: Comment on egusphere-2024-928
Comment on egusphere-2024-928 Open
Abstract. Knowledge of chemical composition and mixing state of aerosols at a single particle level is critical for gaining insights into atmospheric processes. One common tool to make these measurements is single particle…
View article: Secondary organic aerosol from biomass burning phenolic compounds and nitrate radicals can be highly viscous over a wide relative humidity range
Secondary organic aerosol from biomass burning phenolic compounds and nitrate radicals can be highly viscous over a wide relative humidity range Open
Biomass burning events, including wildfires, can emit large amounts of phenolic compounds such as guaiacol. These phenolic compounds can undergo oxidation by nitrate radicals (NO3) to form secondary organic aerosol (SOA). Viscosity and hyg…
View article: Soot aerosols from commercial aviation engines are poor ice-nucleating particles at cirrus cloud temperatures
Soot aerosols from commercial aviation engines are poor ice-nucleating particles at cirrus cloud temperatures Open
Ice-nucleating particles catalyze ice formation in clouds, affecting climate through radiative forcing from aerosol–cloud interactions. Aviation directly emits particles into the upper troposphere where ice formation conditions are favorab…
View article: Measurement report: The Fifth International Workshop on Ice Nucleation Phase 1 (FIN-01): Intercomparison of Single Particle Mass Spectrometers
Measurement report: The Fifth International Workshop on Ice Nucleation Phase 1 (FIN-01): Intercomparison of Single Particle Mass Spectrometers Open
Knowledge of chemical composition and mixing state of aerosols at a single particle level is critical for gaining insights into atmospheric processes. One common tool to make these measurements is single particle mass spectrometry. There r…
View article: Supplementary material to "Measurement report: The Fifth International Workshop on Ice Nucleation Phase 1 (FIN-01): Intercomparison of Single Particle Mass Spectrometers"
Supplementary material to "Measurement report: The Fifth International Workshop on Ice Nucleation Phase 1 (FIN-01): Intercomparison of Single Particle Mass Spectrometers" Open
Supporting informationTable S1: Average correlation coefficients of the average spectra analyzed by the different SPMSs.Aerosol type ravg-pos ravg-neg K-feldspar 0.73 ± 0.12 0.57 ± 0.41 Illite NX 0.71 ± 0.13 0.78 ± 0.08 Moroccan desert dus…
View article: Combining surface spectroscopy and optical microscopy can provide evidence of phase separation induced by photochemical aging of organic aerosol
Combining surface spectroscopy and optical microscopy can provide evidence of phase separation induced by photochemical aging of organic aerosol Open
Organic aerosols make up a considerable mass fraction of atmospheric particulate matter, and impact air quality and climate. In the atmosphere, organic aerosols are exposed to different relative humidities (RH), often ranging between 20% t…
View article: Boiling of catechol secondary organic aerosol when heated to mild temperatures (36-52 °C) due to acetone and carbon dioxide formation and high viscosity
Boiling of catechol secondary organic aerosol when heated to mild temperatures (36-52 °C) due to acetone and carbon dioxide formation and high viscosity Open
Thermal desorption measurements, including thermal desorption mass spectrometry, are often used to determine the volatility and chemical composition of secondary organic aerosol (SOA). Accurately interpreting such measurements requires und…
View article: Comment on egusphere-2023-2441
Comment on egusphere-2023-2441 Open
Abstract. Ice nucleating particles catalyse ice formation in clouds, affecting climate through radiative forcing from aerosol-cloud interactions. Aviation directly emits particles into the upper troposphere where ice forma…
View article: Comment on egusphere-2023-2441
Comment on egusphere-2023-2441 Open
Abstract. Ice nucleating particles catalyse ice formation in clouds, affecting climate through radiative forcing from aerosol-cloud interactions. Aviation directly emits particles into the upper troposphere where ice forma…
View article: Soot aerosol from commercial aviation engines are poor ice nucleating particles at cirrus cloud temperatures
Soot aerosol from commercial aviation engines are poor ice nucleating particles at cirrus cloud temperatures Open
Ice nucleating particles catalyse ice formation in clouds, affecting climate through radiative forcing from aerosol-cloud interactions. Aviation directly emits particles into the upper troposphere where ice formation conditions are favoura…
View article: Dark aging of iron containing alpha-pinene secondary organic aerosol
Dark aging of iron containing alpha-pinene secondary organic aerosol Open
Secondary organic aerosol (SOA) can undergo atmospheric aging processes that alter their impact on climate, air quality and human health. Transition metals, such as iron, can age SOA particles through catalytic chemical reactions within th…
View article: Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types
Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types Open
Atmospheric aerosol particles play an important role for air quality and climate. Secondary organic aerosol (SOA) make up a significant mass fraction of these particles. SOA particles mostly forms from oxidation of gases, followed by gas-p…
View article: Secondary Organic Aerosol from Biomass Burning Phenolics Could Increase Brown Carbon Lifetimes, Seed Ice Clouds, and Transport Pollutants
Secondary Organic Aerosol from Biomass Burning Phenolics Could Increase Brown Carbon Lifetimes, Seed Ice Clouds, and Transport Pollutants Open
Biomass burning events emit large amounts of phenolic compounds, which are oxidized in the atmosphere and form secondary organic aerosol (SOA). Using the poke-flow technique, we measured room-temperature and relative humidity (RH)-dependen…
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: The Role of Mineral Dust Aerosol Particles in Aviation Soot‐Cirrus Interactions
The Role of Mineral Dust Aerosol Particles in Aviation Soot‐Cirrus Interactions Open
Predicting cirrus cloud properties with confidence requires a sound understanding of the relative roles of homogeneous and heterogeneous ice formation. This study explores the effect of mineral dust and contrail‐processed aviation soot par…
View article: AC: Comment on acp-2022-581
AC: Comment on acp-2022-581 Open
Abstract. 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,…
View article: The role of mineral dust aerosol particles in aviation soot-cirrus interactions
The role of mineral dust aerosol particles in aviation soot-cirrus interactions Open
The files contain the datasets shown in the publication "The role of mineral dust aerosol particles in aviation soot-cirrus interactions" to appear in J. Geophys. Res. Atmos. (revised manuscript submitted) The files are xmgrace plot files …
View article: The role of mineral dust aerosol particles in aviation soot-cirrus interactions
The role of mineral dust aerosol particles in aviation soot-cirrus interactions Open
The files contain the datasets shown in the publication "The role of mineral dust aerosol particles in aviation soot-cirrus interactions" to appear in J. Geophys. Res. Atmos. (revised manuscript submitted) The files are xmgrace plot files …
View article: Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types
Not all types of secondary organic aerosol mix: two phases observed when mixing different secondary organic aerosol types Open
Secondary organic aerosol (SOA) constitutes a large fraction of atmospheric aerosol. To assess its impacts on climate and air pollution, knowledge of the number of phases in internal mixtures of different SOA types is required. Atmospheric…
View article: Sunlight can convert atmospheric aerosols into a glassy solid state and modify their environmental impacts
Sunlight can convert atmospheric aerosols into a glassy solid state and modify their environmental impacts Open
Secondary organic aerosol (SOA) plays a critical, yet uncertain, role in air quality and climate. Once formed, SOA is transported throughout the atmosphere and is exposed to solar UV light. Information on the viscosity of SOA, and how it m…
View article: Comment on acp-2022-331
Comment on acp-2022-331 Open
Abstract. Secondary organic aerosol (SOA) constitutes a large fraction of atmospheric aerosol. To assess its impacts on climate and air pollution, knowledge of the number of phases in internal mixtures of different SOA typ…
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: Supplementary material to "Not All Types of Secondary Organic Aerosol Mix: Two Phases Observed When Mixing Different Secondary Organic Aerosol Types"
Supplementary material to "Not All Types of Secondary Organic Aerosol Mix: Two Phases Observed When Mixing Different Secondary Organic Aerosol Types" Open
flow tube experiment; $ chamber experiment; γ aerosol optical tweezer; a Mixing (mass enhancement) was only found for tetraethylene glycol concentrations ≥ 80 μg m -3 ; b Based on Rice and MacCarthy (1991); c Mixing (mass enhancement) was …
View article: Not All Types of Secondary Organic Aerosol Mix: Two Phases Observed When Mixing Different Secondary Organic Aerosol Types
Not All Types of Secondary Organic Aerosol Mix: Two Phases Observed When Mixing Different Secondary Organic Aerosol Types Open
Secondary organic aerosol (SOA) constitutes a large fraction of atmospheric aerosol. To assess its impacts on cli-mate and air pollution, knowledge of the number of phases in internal mixtures of different SOA types is required. Atmospheri…
View article: Phase Behavior of Internal Mixtures of Hydrocarbon-like Primary Organic Aerosol and Secondary Aerosol Based on Their Differences in Oxygen-to-Carbon Ratios
Phase Behavior of Internal Mixtures of Hydrocarbon-like Primary Organic Aerosol and Secondary Aerosol Based on Their Differences in Oxygen-to-Carbon Ratios Open
The phase behavior, the number and type of phases, in atmospheric particles containing mixtures of hydrocarbon-like organic aerosol (HOA) and secondary organic aerosol (SOA) is important for predicting their impacts on air pollution, human…