Heikki Junninen

Latest

• Atmospheric pressure thermal desorption chemical ionization mass spectrometry for ultra-sensitive explosive detection
• Diurnal evolution of negative atmospheric ions above the boreal forest: from ground level to the free troposphere
• Quiet New Particle Formation in the Atmosphere
• Terpene emissions from boreal wetlands can initiate stronger atmospheric new particle formation than boreal forests
• Links between the concentrations of gaseous pollutants measured in different regions of Estonia
• Molecular Composition of Oxygenated Organic Molecules and Their Contributions to Organic Aerosol in Beijing
• The importance of sesquiterpene oxidation products for secondary organic aerosol formation in a springtime hemiboreal forest
• Forest canopy mitigates soil N2O emission during hot moments
• The Synergistic Role of Sulfuric Acid, Bases, and Oxidized Organics Governing New-Particle Formation in Beijing
• Indoor Model Simulation for COVID-19 Transport and Exposure
• Is reducing new particle formation a plausible solution to mitigate particulate air pollution in Beijing and other Chinese megacities?
• Differing Mechanisms of New Particle Formation at Two Arctic Sites
• Role of iodine oxoacids in atmospheric aerosol nucleation
• Long-term measurement of sub-3 nm particles and their precursor gases in the boreal forest
• Insights into atmospheric oxidation processes by performing factor analyses on subranges of mass spectra
• Biogenic and anthropogenic sources of aerosols at the High Arctic site Villum Research Station
• A novel approach for simple statistical analysis of high-resolution mass spectra
• Constructing a data-driven receptor model for organic and inorganic aerosol - a synthesis analysis of eight mass spectrometric data sets from a boreal forest site
• Highly Oxygenated Organic Molecules (HOM) from Gas-Phase Autoxidation Involving Peroxy Radicals: A Key Contributor to Atmospheric Aerosol
• Refined classification and characterization of atmospheric new-particle formation events using air ions
• Exploring non-linear associations between atmospheric new-particle formation and ambient variables: a mutual information approach
• The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest
• Comprehensive analysis of particle growth rates from nucleation mode to cloud condensation nuclei in boreal forest
• Atmospheric new particle formation from sulfuric acid and amines in a Chinese megacity
• Observations of biogenic ion-induced cluster formation in the atmosphere
• Influence of temperature on the molecular composition of ions and charged clusters during pure biogenic nucleation
• Observations of ozone depletion events in a Finnish boreal forest
• The role of highly oxygenated molecules (HOMs) in determining the composition of ambient ions in the boreal forest
• The legacy of Finnish-Estonian air ion and aerosol workshops
• Does the Onset of New Particle Formation Occur in the Planetary Boundary Layer?
• Composition of negative air ions as a function of ion age and selected trace gases: Mass- and mobility distribution
• An Instrumental Comparison of Mobility and Mass Measurements of Atmospheric Small Ions
• Aerosol particle formation events and analysis of high growth rates observed above a subarctic wetland-forest mosaic
• Observations on nocturnal growth of atmospheric clusters
• Toward direct measurement of atmospheric nucleation