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Acid deposition during two contrasting frontal rainfall events

Beverland, I J and Crowther, J M and Srinivas, M S N (1997) Acid deposition during two contrasting frontal rainfall events. Water, Air, and Soil Pollution, 96 (1-4). pp. 93-106.

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Abstract

Analysis of the chemical composition of rain at high temporal resolution provides additional information on wet deposition processes. High resolution data was obtained using a microprocessor-based acid rain monitor at two sites in SW Scotland and SE England. Meteorological details of the transport and wet deposition processes during two frontal rain events were examined and related to rainfall composition. Rapid depletions of ion concentrations during heavy rainfall in the first event were interpreted using a rainfall scavenging model. The sub-event data for the second event showed the influence of frontal discontinuities. Increasing ionic concentrations during this second event were attributed both to the change in air mass, and to diminished upwind precipitation scavenging.