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Water, Air, and Soil Pollution

, Volume 18, Issue 1–3, pp 191–198 | Cite as

Bridging the gap between air quality and precipitation chemistry

  • G. M. Hidy
Article

Abstract

Data sets recently have become available providing simultaneous, regional scale observations of ambient air quality and precipitation chemistry. The data cover parts of the greater northeastern United States. With certain key assumptions, the observations of ambient SOx and NOx concentrations can be linked with precipitation concentrations through Junge's concept of rainout efficiency, assumed to be qualitatively equivalent to the washout ratio. A preliminary comparison between data taken from the Sulfate Regional Experiment (SURE) and the parallel precipitation studies using Junge's approach reveals certain useful consequences. Apparent dramatic differences in SOx and NOx scavenging are found. Ratios between sulfate in the aerosol and in precipitation compared with trace elements suggest the importance of particulate scavenging processes. Such results show promise for simplified analysis of these data as approaches to differentiating mechanisms involved in cloud-precipitation chemistry.

Keywords

Precipitation Waste Water Washout Regional Scale Precipitation Chemistry 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© D. Reidel Publishing Company 1982

Authors and Affiliations

  • G. M. Hidy
    • 1
  1. 1.Environmental Research and Technology, Inc.WestlakeUSA

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