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Title: Trends in cation, nitrogen, sulfate and hydrogen ion concentrations in precipitation in the United States and Europe from 1978 to 2010: a new look at an old problem

Author: Lajtha, K.; Jones, J.A.;

Date: 2013

Source: Biogeochemistry

Publication Series: Scientific Journal (JRNL)

Description: Industrial emissions of SO2 and NOx, resulting in the formation and deposition of sulfuric and nitric acids, affect the health of both terrestrial and aquatic ecosystems. Since the mid-late 20th century, legislation to control acid rain precursors in both Europe and the US has led to significant declines in both SO4–S and H + in precipitation and streams. However, several authors noted that declines in streamwater SO4–S did not result in stoichiometric reductions in stream H +, and suggested that observed reductions in base cation inputs in precipitation could lessen the effect of air pollution control on improving stream pH.

Keywords: acid deposition,  ammonium, base cations, clean air act, EMEP,  LTER, NADP, Nitrate,  Sulfate

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Lajtha, K.; Jones, J.A. 2013. Trends in cation, nitrogen, sulfate and hydrogen ion concentrations in precipitation in the United States and Europe from 1978 to 2010: a new look at an old problem. Biogeochemistry. doi:10.1007/s10533-013-9860-2: 32 p.

 


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