Aerosol and cloudwater properties at whiteface mountain, New York

Valin, C. C. Van; Wellman, D. L.; Stearns, L. P.

doi:10.1007/bf00282738

Cited by 7 publications

(1 citation statement)

References 13 publications

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“…The winter levels observed at Etzion are typical of rural areas and are in the same range as those measured at Bermuda (Wolff et al, 1986). The peak values are among the highest ever reported and exceed values measured both over the Gulf of Mexico during offshore flow (28 ___ 18 ~tg m -a, Luria et al, 1986) and over northeastern U.S.A. (up to 40 ~tg m -3, Van Valin et al, 1987). Very little correlation (r2< 0.1) was observed between the individual 6 h measurements of sulfate and SO2.…”

Section: Resultssupporting

confidence: 55%

Particulate sulfate levels at a rural site in Israel

1989

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Ambient particulate sulfate measurements have been intermittently performed at a rural site in Israel over a period of more than two years. Concurrent measurements of ambient pollutants (SO2, NO-NOx, and 03), as well as meteorological data, were also carried out. The daily data included four particulate sulfate samples representing four successive 6 h accumulating periods. The measured concentrations of sulfate ions ranged from a low 2 lag m -3 observed during the winter season to a high of > 50 lag m -3 obtained during the summer. Little correlation was obtained between the sulfate concentration and either 03 or SO 2 , although sulfate and 03 showed a similar diurnal and annual trend. Based on the data distribution and on a photochemical model, it was concluded that a large part of the particulate sulfate observed at the eastern coast of the Mediterranean Sea must be related to long-range transport from distant sources.

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Section: Resultssupporting

confidence: 55%

Particulate sulfate levels at a rural site in Israel

1989

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A method for evaluation of acidic sulfate and nitrate in precipitation

Sisterson

1989

Water Air Soil Pollut

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A simple method is presented and used to estimate the portions of SO 2 -and NO3-that contribute to the strong acidity in weekly precipitation samples collected at three NADP sites in the eastern United States. The method assumes that, in general, the difference between SO ] -and NH 2 represents acidic sulfate and the difference between NO3-and soil-derived materials (the sum of Ca 2 +, Mg 2 +, and K ÷ ) represents acidic nitrate. Acidic sulfate and nitrate are considered to be the predominant source of H + (determined from laboratory pH) in the weekly precipitation samples. Most of the acidity for all three sites was attributed to acidic sulfate. The highest fraction of acidic SO 2-to H + wet deposition values was for the east-central Tennessee site (0.95) and the northeastern Illinois site (0.90), and the lowest fraction occurred at the central Pennsylvania site (0.75). The Tennessee site had the greatest acidic fraction of sulfate (0.84) and the Pennsylvania site had the greatest acidic fraction of nitrate (0.59).

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Kwiecień

1997

Environmental Monitoring and Assessment

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Aerosol and cloudwater properties at whiteface mountain, New York

Cited by 7 publications

References 13 publications

Particulate sulfate levels at a rural site in Israel

Particulate sulfate levels at a rural site in Israel

A method for evaluation of acidic sulfate and nitrate in precipitation

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