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View article: Global impact of anthropogenic NH <sub>3</sub> emissions on upper tropospheric aerosol formation
Global impact of anthropogenic NH <sub>3</sub> emissions on upper tropospheric aerosol formation Open
Anthropogenic ammonia (NH 3 ) emissions have significantly increased in recent decades due to enhanced agricultural activities, contributing to global air pollution. While the effects of NH 3 on surface air quality are well documented, its…
View article: Isoprene chemistry under upper-tropospheric conditions
Isoprene chemistry under upper-tropospheric conditions Open
View article: Isoprene Aerosol Growth in the Upper Troposphere: Application of the Diagonal Volatility Basis Set to CLOUD Chamber Measurements
Isoprene Aerosol Growth in the Upper Troposphere: Application of the Diagonal Volatility Basis Set to CLOUD Chamber Measurements Open
Isoprene oxygenated organic molecules (IP-OOM) can nucleate new particles in the upper troposphere. These particles may grow into cloud condensation nuclei and influence the clouds and climate. However, little is known about the individual…
View article: New particle formation dynamics in the central Andes: contrasting urban and mountaintop environments
New particle formation dynamics in the central Andes: contrasting urban and mountaintop environments Open
In this study, we investigate atmospheric new particle formation (NPF) across 65 d in the Bolivian central Andes at two locations: the mountaintop Chacaltaya station (CHC, 5.2 km above sea level) and an urban site in El Alto–La Paz (EAC), …
View article: New particle formation from isoprene under upper-tropospheric conditions
New particle formation from isoprene under upper-tropospheric conditions Open
View article: Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules
Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules Open
Oxygenated organic molecules (OOMs) play an important role in the formation of atmospheric aerosols. Due to various analytical challenges with respect to measuring organic vapors, uncertainties remain regarding the formation and fate of OO…
View article: New Particle Formation dynamics in the central Andes: Contrasting urban and mountain-top environments
New Particle Formation dynamics in the central Andes: Contrasting urban and mountain-top environments Open
In this study, we investigate atmospheric new particle formation (NPF) across 65 days in the Bolivian Central Andes at two locations: the mountain-top Chacaltaya station (CHC, 5.2 km above sea level) and an urban site in El Alto-La Paz (EA…
View article: Supplementary material to "New Particle Formation dynamics in the central Andes: Contrasting urban and mountain-top environments"
Supplementary material to "New Particle Formation dynamics in the central Andes: Contrasting urban and mountain-top environments" Open
View article: Comment on amt-2023-149
Comment on amt-2023-149 Open
Abstract. Oxygenated organic molecules (OOMs) play an important role in the formation of atmospheric aerosols. Due to various analytical challenges in measuring organic vapors, uncertainties remain in the formation and fat…
View article: Nitrate Radicals Suppress Biogenic New Particle Formation from Monoterpene Oxidation
Nitrate Radicals Suppress Biogenic New Particle Formation from Monoterpene Oxidation Open
Highly oxygenated organic molecules (HOMs) are a major source of new particles that affect the Earth's climate. HOM production from the oxidation of volatile organic compounds (VOCs) occurs during both the day and night and can lead to new…
View article: Assessing the importance of nitric acid and ammonia for particle growth in the polluted boundary layer
Assessing the importance of nitric acid and ammonia for particle growth in the polluted boundary layer Open
Inhomogeneities in temperature and ammonia concentrations can cause rapid growth of nanoparticles in polluted environments.
View article: Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere
Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere Open
The main nucleating vapor in the atmosphere is thought to be sulfuric acid (H 2 SO 4 ), stabilized by ammonia (NH 3 ). However, in marine and polar regions, NH 3 is generally low, and H 2 SO 4 is frequently found together with iodine oxoac…
View article: Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere: data resources
Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere: data resources Open
Data resources for manuscript: "Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere"
View article: Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere: data resources
Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere: data resources Open
Data resources for manuscript: "Iodine oxoacids enhance nucleation of sulfuric acid particles in the atmosphere"
View article: Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules
Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules Open
Oxygenated organic molecules (OOMs) play an important role in the formation of atmospheric aerosols. Due to various analytical challenges in measuring organic vapors, uncertainties remain in the formation and fate of OOMs. The chemical ion…
View article: Supplementary material to "Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules"
Supplementary material to "Ammonium CI-Orbitrap: a tool for characterizing the reactivity of oxygenated organic molecules" Open
View article: An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles
An intercomparison study of four different techniques for measuring the chemical composition of nanoparticles Open
Currently, the complete chemical characterization of nanoparticles (< 100 nm) represents an analytical challenge, since these particles are abundant in number but have negligible mass. Several methods for particle-phase characterization ha…
View article: Oxidized organic molecules in the tropical free troposphere over Amazonia
Oxidized organic molecules in the tropical free troposphere over Amazonia Open
New particle formation (NPF) in the tropical free troposphere (FT) is a globally important source of cloud condensation nuclei, affecting cloud properties and climate. Oxidized organic molecules (OOMs) produced from biogenic volatile organ…
View article: Nitrate radicals suppress biogenic new particle formation from monoterpene oxidation
Nitrate radicals suppress biogenic new particle formation from monoterpene oxidation Open
Highly oxygenated organic molecules (HOMs) are a major source of new particles affecting Earth’s climate1,2. HOM production from the oxidation of volatile organic compounds (VOCs) occurs during both day and night, and can lead t…
View article: Oxidized organic molecules in the tropical free troposphere over Amazonia
Oxidized organic molecules in the tropical free troposphere over Amazonia Open
New particle formation (NPF) in the tropical free troposphere (FT) is a globally important source of cloud condensation nuclei, affecting cloud properties and climate. Oxidized organic molecules (OOMs) produced from biogenic volatile organ…
View article: Molecular Understanding of the Enhancement in Organic Aerosol Mass at High Relative Humidity
Molecular Understanding of the Enhancement in Organic Aerosol Mass at High Relative Humidity Open
The mechanistic pathway by which high relative humidity (RH) affects gas-particle partitioning remains poorly understood, although many studies report increased secondary organic aerosol (SOA) yields at high RH. Here, we use real-time, mol…
View article: Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes
Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes Open
Dimethyl sulfide (DMS) is the primary natural contributor to the atmospheric sulfur burden. Observations concerning the fate of DMS oxidation products after long-range transport in the remote free troposphere are, however, sparse. Here we …
View article: reply to RC1 - discussing open questions
reply to RC1 - discussing open questions Open
Dimethyl sulfide (DMS) is the primary natural contributor to the atmospheric sulfur burden. Observations concerning the fate of DMS oxidation products after long-range transport in the remote free troposphere are, however, sparse. Here we …
View article: Referee comment on egusphere-2022-887
Referee comment on egusphere-2022-887 Open
Abstract. Dimethyl sulfide (DMS) is the primary natural contributor to the atmospheric sulfur burden. Observations concerning the fate of DMS oxidation products after long-range transport in the remote free troposphere are…
View article: Comment on amt-2022-243
Comment on amt-2022-243 Open
Abstract. Since its inception more than 2 decades ago, proton-transfer-reaction mass spectrometry (PTR-MS) has established itself as a powerful technique for the measurements of a wide range of volatile organic compounds (…
View article: Measurement Report: Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes
Measurement Report: Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes Open
Dimethyl sulfide (DMS) is the primary natural contributor to the atmospheric sulfur burden. Observations concerning the fate of DMS oxidation products after long-range transport in the remote free troposphere are, however, sparse. Here we …
View article: High Gas-Phase Methanesulfonic Acid Production in the OH-Initiated Oxidation of Dimethyl Sulfide at Low Temperatures
High Gas-Phase Methanesulfonic Acid Production in the OH-Initiated Oxidation of Dimethyl Sulfide at Low Temperatures Open
Dimethyl sulfide (DMS) influences climate via cloud condensation nuclei (CCN) formation resulting from its oxidation products (mainly methanesulfonic acid, MSA, and sulfuric acid, H$_{2}$SO$_{4}$). Despite their importance, accurate predic…
View article: Data and Code for figures of "Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes"
Data and Code for figures of "Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes" Open
This database includes the material to create the figures in "Measurement Report: Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5…
View article: Data and Code for figures of "Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes"
Data and Code for figures of "Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes" Open
This database includes the material to create the figures in "Measurement Report: Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5…
View article: Data and Code for figures of "Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes"
Data and Code for figures of "Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes" Open
This database includes the material to create the figures in "Measurement Report: Long-range transport and fate of DMS-oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5…