Worringen, Annette and Ebert, Martin and Trautmann, Thomas and Weinbruch, Stephan and Helas, Guenter (2007) Optical properties of internally mixed ammonium sulfate and soot particles - a study of individual aerosol particles and ambient aerosol populations. Applied Optics, 47 (21), pp. 3835-3845. DOI: 10.1364/AO.47.003835.
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Optical parameters of simulated ambient individual ammonium sulfate and soot-mixed particles were calculated using the discrete-dipole approximation method with different model geometries. Knowledge of the mixing state and the approximation by a suited idealized geometry reduces the errors of the optical properties by ±50% to ±10%. The influence of the soot content and the mixing state on the optical properties of the total aerosol was estimated. For the total aerosol population, the size distribution and the absolute soot content had the largest influence. The exact geometry of the ammonium sulfate and soot-mixed particles can be neglected.
|Title:||Optical properties of internally mixed ammonium sulfate and soot particles - a study of individual aerosol particles and ambient aerosol populations|
|Date:||28 November 2007|
|Journal or Publication Title:||Applied Optics|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 3835-3845|
|Keywords:||Optical properties, sulfate and soot-mixed particles, particle characterization, particle mixing state, discrete-dipole approximation, Mie simulations|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Entwicklung von Atmosphärenprozessoren (old)|
|Institutes and Institutions:||Remote Sensing Technology Institute > Atmospheric Processors|
|Deposited By:||Prof.Dr. Thomas Trautmann|
|Deposited On:||30 Sep 2008|
|Last Modified:||15 Jan 2010 00:05|
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