Výsledky vyhledávání - "E A, Lovejoy"

Akademický článek

In situ observations of new particle formation in the tropical upper troposphere: the role of clouds and the nucleation mechanism

Publikováno v: Atmospheric Chemistry and Physics, Vol 11, Iss 18, Pp 9983-10010 (2011)

New particle formation (NPF), which generates nucleation mode aerosol, was observed in the tropical Upper Troposphere (UT) and Tropical Tropopause Layer (TTL) by in situ airborne measurements over South America (January–March 2005), Australia (Nove

Externí odkaz: https://doaj.org/article/e7bb2790aad74ae787c95f8b6044ff72

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Akademický článek

A semi-analytical method for calculating rates of new sulfate aerosol formation from the gas phase

Autor: J. Kazil, E. R. Lovejoy

Publikováno v: Atmospheric Chemistry and Physics, Vol 7, Iss 13, Pp 3447-3459 (2007)

The formation of new aerosol from the gas phase is commonly represented in atmospheric modeling with parameterizations of the steady state nucleation rate. Present parameterizations are based on classical nucleation theory or on nucleation rates calc

Externí odkaz: https://doaj.org/article/41aa3adc985342f2a0c429470042c30e

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Akademický článek

Is aerosol formation in cirrus clouds possible?

Autor: J. Kazil, E. R. Lovejoy, E. J. Jensen, D. R. Hanson

Publikováno v: Atmospheric Chemistry and Physics, Vol 7, Iss 5, Pp 1407-1413 (2007)

The recent observation of ultrafine aerosol particles in cirrus clouds has raised the question whether aerosol formation within cirrus clouds is possible, and if so, what mechanisms are involved. We have developed an aerosol parcel model of neutral a

Externí odkaz: https://doaj.org/article/7a84114acb2448f882cc0f3bc322c031

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Akademický článek

Modeling the possible role of iodine oxides in atmospheric new particle formation

Autor: S. Pechtl, E. R. Lovejoy, J. B. Burkholder, R. von Glasow

Publikováno v: Atmospheric Chemistry and Physics, Vol 6, Iss 2, Pp 505-523 (2006)

We studied the possible role of iodine oxides in atmospheric new particle formation with the one-dimensional marine boundary layer model MISTRA, which includes chemistry in the gas and aerosol phase as well as aerosol microphysics. The chemical react

Externí odkaz: https://doaj.org/article/7da3b5e51e1b4934ab1bb11665612b2b

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Akademický článek

Aerosol nucleation over oceans and the role of galactic cosmic rays

Autor: J. Kazil, E. R. Lovejoy, M. C. Barth, K. O'Brien

Publikováno v: Atmospheric Chemistry and Physics, Vol 6, Iss 12, Pp 4905-4924 (2006)

We investigate formation of sulfate aerosol in the marine troposphere from neutral and charged nucleation of H2SO4 and H2O. A box model of neutral and charged aerosol processes is run on a grid covering the oceans. Input data are taken from a model o

Externí odkaz: https://doaj.org/article/c14352549d24414b986fc23cc7638dcb

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Akademický článek

Laboratory studies of the homogeneous nucleation of iodine oxides

Autor: J. B. Burkholder, J. Curtius, A. R. Ravishankara, E. R. Lovejoy

Publikováno v: Atmospheric Chemistry and Physics, Vol 4, Iss 1, Pp 19-34 (2004)

Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of excess ozone. Measurements were performed in a 70 L Teflon reactor with new particles detecte

Externí odkaz: https://doaj.org/article/c5e305daf02142fe9812eedc3a7f5a80

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