Title

Acid deposition and lake chemistry in southwest China

Document Type

Article

Peer Reviewed

1

Publication Date

1-1-1994

Journal/Book/Conference Title

Water, air, and soil pollution

DOI of Published Version

10.1007/BF01100399

Start Page

61

Abstract

A water quality survey has been performed on selected lakes and streams in southwest China. The purpose of the study was to measure the concentrations of acidic deposition and surface water chemistry in a region of severe air pollution, forest decline, and relatively sensitive geology to acidic deposition. We show that, although there are some high elevation lakes of low acid neutralizing capacity (ANC-1), acidification of lakes has not occurred in southwest China due to production of base cations in soil and dry deposition of dust that serves to neutralize acidic deposition. Water chemistry is buffered by high base cation concentrations (Ca2+, Mg2+, Na+, and K+) greater than 300 μeq L-1, and pH values are always greater than 6.5.

Published Article/Book Citation

Water, air, and soil pollution, 75:1-2 (1994) pp.61

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URL

https://ir.uiowa.edu/cee_pubs/296