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

H. Sievering; J. Boatman; M. Luria; C. C. Van Valin

doi:10.3402/tellusb.v41i3.15089

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

H. Sievering
, J. Boatman
, M. Luria
, C. C. Van Valin

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

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 downward 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. -Authors

Original language	English
Pages (from-to)	338-343
Number of pages	6
Journal	Tellus, Series B: Chemical and Physical Meteorology
Volume	41 B
Issue number	3
DOIs	https://doi.org/10.3402/tellusb.v41i3.15089
State	Published - 1989
Externally published	Yes

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title = "Sulfur dry deposition over the western North Atlantic: the role of coarse aerosol particles",

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 downward 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. -Authors",

author = "H. Sievering and J. Boatman and M. Luria and \{Van Valin\}, \{C. C.\}",

year = "1989",

doi = "10.3402/tellusb.v41i3.15089",

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journal = "Tellus, Series B: Chemical and Physical Meteorology",

issn = "0280-6509",

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T2 - the role of coarse aerosol particles

AU - Sievering, H.

AU - Boatman, J.

AU - Luria, M.

AU - Van Valin, C. C.

PY - 1989

Y1 - 1989

N2 - 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 downward 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. -Authors

AB - 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 downward 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. -Authors

UR - https://www.scopus.com/pages/publications/0024799579

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SN - 0280-6509

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JO - Tellus, Series B: Chemical and Physical Meteorology

JF - Tellus, Series B: Chemical and Physical Meteorology

IS - 3

ER -

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

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