Adaptation of a cloud activation scheme to a spectral-chemical aerosol model

Carole Bedos, Karsten Suhre, Robert Rosset

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Development and preliminary tests of a cloud activation scheme adapted to a spectral-chemical aerosol model are presented. After some sensitivity studies bearing on changes in ambient relative humidity and various sulfate formation rates, the model is used to calculate cloud droplet nucleation for an ascending air parcel. Using the spectrum obtained with the aerosol model initialized with experimentally determined chemical concentrations, the critical radius thus obtained appears quite realistic. Sensitivity studies on the vertical velocity and on the aerosol mass concentrations display good agreement with previous published results.

Original languageEnglish
Pages (from-to)267-279
Number of pages13
JournalAtmospheric Research
Issue number3-4
Publication statusPublished - Sep 1996
Externally publishedYes


ASJC Scopus subject areas

  • Atmospheric Science

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