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Sulfur dry deposition over the western North Atlantic: the role of coarse aerosol particles Cover

Sulfur dry deposition over the western North Atlantic: the role of coarse aerosol particles

Open Access
|Jan 1989

Abstract

A number of investigators have observed substantial amounts of coarse fraction (D > 1 μm) non-sea-salt or excess sulfate (XSO4) to prevail in marine boundary layer (MBL) aerosol. Its dry deposition velocity may be 1 cm s-1 or more with low uncertainty relative to the dry deposition velocity of fine-fraction XSO4. Estimates of total sulfur dry deposition using MBL ambient air data over the western North Atlantic Ocean are presented. It is shown, at distances of hundreds to 1000 km downwind from sulfur source regions, that sulfur dry removal from the western North Atlantic MBL is dominated by the dry deposition of XSO4 rather than that of SO2.

Language: English
Page range: 338 - 343
Submitted on: Nov 30, 1987
Accepted on: Jul 27, 1988
Published on: Jan 1, 1989
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 1989 H. Sievering, J. Boatman, M. Luria, C. C. Van Valin, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.