Atmospheric deposition at Rothamsted, Saxmundham and Woburn Experimental Stations, England, 1969-1984.

A - Papers appearing in refereed journals

Goulding, K. W. T., Poulton, P. R., Thomas, V. H. and Williams, R. J. B. 1986. Atmospheric deposition at Rothamsted, Saxmundham and Woburn Experimental Stations, England, 1969-1984. Water Air And Soil Pollution. 29, pp. 27-49.

AuthorsGoulding, K. W. T., Poulton, P. R., Thomas, V. H. and Williams, R. J. B.
Abstract

The pH of precipitation, and the concentrations in precipitation and depositions by precipitation of H+, major cations, N, S, and chloride were measured in bulk collectors at three sites in Eastern England. The Rothamsted site is 100 km from the coast in a semi-urban environment. The Saxmundham site is 13 km and the Woburn site 120 km from the coast; both are in rural environments. Precipitation is acidic at all three sites, with a pH of 4.3 at Rothamsted and 5.0 at Saxmundham and Woburn at present, but the pH has been increasing. Precipitation chemistry is chiefly controlled by sea-salts (Na, Mg, Cl) and earth salts (K, Ca, Mg, NH4, N03). Sea-salts dominate near the coast at Saxmundham, but earth salts become much more important inland at Rothamsted and at Woburn. The concentration and deposition of non-sea Cl are increasing at Rothamsted and Saxmundham, those of non-sea SO4-S are increasing at Woburn, and those of NO3-N are increasing at all of the sites. Precipitation acidity is associated chiefly with non-sea SO4, and only a little with NO3 and non-sea Cl, at Rothamsted and Woburn. At Saxmundham, no correlation between acidity and anions is observed, presumably because of the overwhelming effect of sea-salts.

KeywordsPrecipitation; Chloride; Acidity; Experimental station; Atmospheric deposition
Year of Publication1986
JournalWater Air And Soil Pollution
Journal citation29, pp. 27-49
Digital Object Identifier (DOI)doi:10.1007/BF00149327
Open accessPublished as non-open access
Output statusPublished
Publication process dates
Accepted11 Feb 1985
Copyright licenseCC BY
ISSN0049-6979
PublisherSpringer

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