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acid deposition

A complex chemical and atmospheric phenomenon that occurs when emissions of sulfur and nitrogen compounds and other substances are transformed by chemical processes in the atmosphere, often far from the original sources, and then deposited on earth in either a wet or dry form. The wet forms, popularly called acid rain," can fall as rain, snow, or fog. The dry forms are acidic gases or particulates.
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Entry Terms:
  • atmospheric acidic deposition
  • atmospheric acid precipitation
  • acidic fog
  • atmospheric acidic precipitation
  • acid fog
  • atmospheric acid deposition
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RDF/XMLCreated 2006-01-19, last modified 2019-12-16