Marked sea-salt and brown water effects at the acidified sites probably interfere with ionic equilibria and influenced water acidity in ways which invalidate some assumptions implicit in the models. 7 ...

Douglas R. Lawson, Jerome G. Wendt, Acid Deposition in California, SAE Transactions, Vol. 91, Section 4: 821158–821559 (1982), pp. 3949-3967 ...

Credit: Gregory B. Lawrence A series of U.S. and Canadian regulations since the 1990s dramatically cut rates of acidic deposition, leading to steep declines in sulfuric acid in lakes.

Organic Soils Continue To Acidify Despite Reduction In Acidic Deposition Date: January 13, 2009 Source: Soil Science Society of America Summary: Scientist's understanding of how soils have ...

1972 - Scientists discovered rain deposited in the White Mountains in New Hampshire was acidic. 1980 - Congress passed the Acid Deposition Act establishing an 18-year assessment and research program ...