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The effects of dimethylsulfide upon marine aerosol concentrations

Kreidenweis, S. M. and Penner, J. E. and Yin, F. and Seinfeld, J. H. (1991) The effects of dimethylsulfide upon marine aerosol concentrations. Atmospheric Environment Part A-General Topics, 25 (11). pp. 2501-2511. ISSN 0960-1686. doi:10.1016/0960-1686(91)90166-5.

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A simplified dimethylsulfide (DMS) oxidation mechanism is used in a box model to predict the vapor source rates of the major sulfur-containing products, methanesulfonic acid and sulfuric acid, in the marine boundary layer. These vapor source rates drive an integral aerosol model that predicts gas-to-particle conversion of the acid species in the presence of water vapor. The effects of latitudinal variations in background hydroxyl radical concentrations, temperatures, and relative humidities upon the predicted aerosol number concentrations are presented, and the sensitivity of the predictions to uncertainties in aerosol model input parameters is discussed. The predictions support a dependence of marine aerosol concentrations on latitude, as noted in some observations. Realistic choices of aerosol model parameters yield number concentrations that are consistent with observed concentrations in remote marine areas.

Item Type:Article
Related URLs:
URLURL TypeDescription
Kreidenweis, S. M.0000-0002-2561-2914
Penner, J. E.0000-0001-5577-452X
Seinfeld, J. H.0000-0003-1344-4068
Additional Information:This work was performed under the auspices of the U.S. Department of Energy by the Lawrence Livermore National Laboratory under Contract W-7405-Eng-48. S. M. Kreidenweis gratefully acknowledges the support of an AWU-DOE Faculty Fellowship. We also wish to thank John Hobson of the LLNL for his contributions in adapting the computer codes.
Funding AgencyGrant Number
Department of Energy (DOE)W-7405-ENG-48
Issue or Number:11
Record Number:CaltechAUTHORS:20230304-773476300.1
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:119645
Deposited By: Tony Diaz
Deposited On:06 Mar 2023 18:22
Last Modified:06 Mar 2023 18:22

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