Variations in the acid content of rain water in the course of a single precipitation

Seymour, Michael D.; Schubert, Steven A.; Clayton, J. W.; Fernaǹdo, Quintus

doi:10.1007/bf00464711

Cited by 16 publications

(1 citation statement)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…By comparison, weak-to-strong-acid ratios and strong acidities are 0.21:1 and 59 µ in the Adirondack Mountains; 0.34:1 and 113 µ at Ithaca, NY (32); 0.7:1 and 103 µ at Yonkers, NY (33); 0.86:1 and 100 µ at Oak Ridge, TN (34); and 0.97:1 and 31 µ in Minnesota (28). Higher weak-to-strong-acid ratios in southern California are the result of two factors: lower strong-acid concentrations and the fact that titrations were carried out to pH >10 to include weak acids of pKa ~9.3 (35). Most of the Source contributions to mean acidity.…”

Section: Resultsmentioning

confidence: 99%

Spatial variations of acid precipitation in southern California

Liljestrand¹,

Morgan

1981

Environ. Sci. Technol.

View full text Add to dashboard Cite

Section: Resultsmentioning

confidence: 99%

Spatial variations of acid precipitation in southern California

Liljestrand¹,

Morgan

1981

Environ. Sci. Technol.

View full text Add to dashboard Cite

Modeling the Chemical Composition of Acid Rain in Southern California

Liljestrand

Morgan

1980

Polluted Rain

View full text Add to dashboard Cite

Sequential sampling and variability of acid precipitation in Hampton, Virginia

Pellett

Bustin

Harriss

1984

Water Air Soil Pollut

View full text Add to dashboard Cite

Rain samples were collected sequentially by amount (~ 2.7 mm each) from individual events at a single, relatively isolated, suburban site from August 1977 to July 1980. Rain pH's for < 3 mm samples closely fit a monomodal Gaussian distribution with a median of 4.50 and a standard deviation of 0.39. The variability in pH was primarily interevent as opposed to intraevent. The 3-yr volume-weighted pH was 4.35 + 0.02 for 3.16 m collected; annual pH's were 4.31,4.37, and 4.38, and cumulative H + deposition was 141 mg H + m -2. Event-averaged rain pH and meteorological and air quality data were correlated. Low pH was associated with low rainfall volume and rate; rain after several dry days; rains with northeast surface winds; high SOz, NO2, and 03 in the ambient atmosphere; and high, strongly correlated, SO 4 and NO;rainwater concentrations. The lowest 3-yr seasonal average pH (4.31) occurred during summer; values for other seasons were ~ 4.37. Average intraevent H + molarity (volume-weighted) was accurately characterized by 6.89 E -5 *(mm rain) o.z15 The relative merits of composite (e.g., whole event) and sequential sampling are examined.

show abstract

Variations in the acid content of rain water in the course of a single precipitation

Cited by 16 publications

References 14 publications

Spatial variations of acid precipitation in southern California

Spatial variations of acid precipitation in southern California

Modeling the Chemical Composition of Acid Rain in Southern California

Sequential sampling and variability of acid precipitation in Hampton, Virginia

Contact Info

Product

Resources

About