Search Results - "MARCOLLI, C"

Deposition nucleation viewed as homogeneous or immersion freezing in pores and cavities by Marcolli, C

“…Heterogeneous ice nucleation is an important mechanism for the glaciation of mixed phase clouds and may also be relevant for cloud formation and dehydration at…”
Get full text

A thermodynamic model of mixed organic-inorganic aerosols to predict activity coefficients by Zuend, A., Marcolli, C., Luo, B. P., Peter, T.

“…Tropospheric aerosols contain mixtures of inorganic salts, acids, water, and a large variety of organic compounds. Interactions between these substances in…”
Get full text

Computation of liquid-liquid equilibria and phase stabilities: implications for RH-dependent gas/particle partitioning of organic-inorganic aerosols by Zuend, A, Marcolli, C, Peter, T, Seinfeld, J H

“…Semivolatile organic and inorganic aerosol species partition between the gas and aerosol particle phases to maintain thermodynamic equilibrium. Liquid-liquid…”
Get full text

Do atmospheric aerosols form glasses? by Zobrist, B., Marcolli, C., Pedernera, D. A., Koop, T.

“…A new process is presented by which water soluble organics might influence ice nucleation, ice growth, chemical reactions and water uptake of aerosols in the…”
Get full text

Liquid-liquid phase separation in aerosol particles: Dependence on O:C, organic functionalities, and compositional complexity by Song, M., Marcolli, C., Krieger, U. K., Zuend, A., Peter, T.

“…Atmospheric aerosol particles may undergo liquid‐liquid phase separation (LLPS) when exposed to varying relative humidity. In this study we investigated the…”
Get full text

New and extended parameterization of the thermodynamic model AIOMFAC: calculation of activity coefficients for organic-inorganic mixtures containing carboxyl, hydroxyl, carbonyl, ether, ester, alkenyl, alkyl, and aromatic functional groups by Zuend, A., Marcolli, C., Booth, A. M., Lienhard, D. M., Soonsin, V., Krieger, U. K., Topping, D. O., McFiggans, G., Peter, T., Seinfeld, J. H.

“…We present a new and considerably extended parameterization of the thermodynamic activity coefficient model AIOMFAC (Aerosol Inorganic-Organic Mixtures…”
Get full text

Liquid-liquid phase separation and morphology of internally mixed dicarboxylic acids/ammonium sulfate/water particles by Song, M, Marcolli, C, Krieger, U. K, Zuend, A, Peter, T

“…Knowledge of the physical state and morphology of internally mixed organic/inorganic aerosol particles is still largely uncertain. To obtain more detailed…”
Get full text

Efficiency of immersion mode ice nucleation on surrogates of mineral dust by Marcolli, C., Gedamke, S., Peter, T., Zobrist, B.

“…A differential scanning calorimeter (DSC) was used to explore heterogeneous ice nucleation of emulsified aqueous suspensions of two Arizona test dust (ATD)…”
Get full text

Ice nucleation efficiency of clay minerals in the immersion mode by Pinti, V, Marcolli, C, Zobrist, B, Hoyle, C. R, Peter, T

“…Emulsion and bulk freezing experiments were performed to investigate immersion ice nucleation on clay minerals in pure water, using various kaolinites,…”
Get full text

Liquid–Liquid Phase Separation in Mixed Organic/Inorganic Single Aqueous Aerosol Droplets by Stewart, D. J, Cai, C, Nayler, J, Preston, T. C, Reid, J. P, Krieger, U. K, Marcolli, C, Zhang, Y. H

“…Direct measurements of the phase separation relative humidity (RH) and morphology of aerosol particles consisting of liquid organic and aqueous inorganic…”
Get full text

Viscous organic aerosol particles in the upper troposphere: diffusivity-controlled water uptake and ice nucleation? by Lienhard, D. M, Huisman, A. J, Krieger, U. K, Rudich, Y, Marcolli, C, Luo, B. P, Bones, D. L, Reid, J. P, Lambe, A. T, Canagaratna, M. R, Davidovits, P, Onasch, T. B, Worsnop, D. R, Steimer, S. S, Koop, T, Peter, T

“…New measurements of water diffusion in secondary organic aerosol (SOA) material produced by oxidation of α-pinene and in a number of organic/inorganic model…”
Get full text

Improved AIOMFAC model parameterisation of the temperature dependence of activity coefficients for aqueous organic mixtures by Ganbavale, G, Zuend, A, Marcolli, C, Peter, T

“…This study presents a new, improved parameterisation of the temperature dependence of activity coefficients in the AIOMFAC (Aerosol Inorganic–Organic Mixtures…”
Get full text

Redistribution of black carbon in aerosol particles undergoing liquid-liquid phase separation by Brunamonti, S., Krieger, U. K., Marcolli, C., Peter, T.

“…Atmospheric black carbon (BC) is a major anthropogenic greenhouse agent, yet substantial uncertainties obstruct understanding its radiative forcing…”
Get full text

Heterogeneous Ice Nucleation in Aqueous Solutions:  the Role of Water Activity by Zobrist, B, Marcolli, C, Peter, T, Koop, T

“…Heterogeneous ice nucleation experiments have been performed with four different ice nuclei (IN), namely nonadecanol, silica, silver iodide and Arizona test…”
Get full text

Heterogeneous Ice Nucleation Rate Coefficient of Water Droplets Coated by a Nonadecanol Monolayer by Zobrist, B, Koop, T, Luo, B. P, Marcolli, C, Peter, T

“…The heterogeneous ice nucleation rate coefficient (j het) of water droplets coated with a monolayer of 1-nonadecanol was determined from multiple…”
Get full text

The Role of Mineral Dust Aerosol Particles in Aviation Soot‐Cirrus Interactions by Kärcher, B., Marcolli, C., Mahrt, F.

“…Predicting cirrus cloud properties with confidence requires a sound understanding of the relative roles of homogeneous and heterogeneous ice formation. This…”
Get full text

Comparison of measured and calculated collision efficiencies at low temperatures by Nagare, B, Marcolli, C, Stetzer, O, Lohmann, U

“…Interactions of atmospheric aerosols with clouds influence cloud properties and modify the aerosol life cycle. Aerosol particles act as cloud condensation…”
Get full text

A combined particle trap/HTDMA hygroscopicity study of mixed inorganic/organic aerosol particles by Zardini, A. A., Sjogren, S., Marcolli, C., Krieger, U. K., Gysel, M., Weingartner, E., Baltensperger, U., Peter, T.

“…Atmospheric aerosols are often mixtures of inorganic and organic material. Organics can represent a large fraction of the total aerosol mass and are comprised…”
Get full text

The vapor pressures and activities of dicarboxylic acids reconsidered: the impact of the physical state of the aerosol by Soonsin, V, Zardini, A A, Marcolli, C, Zuend, A, Krieger, U K

“…We present vapor pressure data of the C2 to C5 dicarboxylic acids deduced from measured evaporation rates of single levitated particles as both, aqueous…”
Get full text

Vapor pressures of substituted polycarboxylic acids are much lower than previously reported by Huisman, A. J, Krieger, U. K, Zuend, A, Marcolli, C, Peter, T

“…The partitioning of compounds between the aerosol and gas phase is a primary focus in the study of the formation and fate of secondary organic aerosol. We…”
Get full text