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This article in JEQ

  1. Vol. 19 No. 2, p. 296-302
     
    Received: Feb 21, 1989


    * Corresponding author(s):
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doi:10.2134/jeq1990.00472425001900020016x

Streams in the New Jersey Pinelands Directly Reflect Changes in Atmospheric Deposition Chemistry

  1. Mark D. Morgan *
  1. Dep. of Biology, Rutgers Univ., Camden, NJ 08102.

Abstract

Abstract

The major ion chemistry of precipitation and four undisturbed streams was measured in the New Jersey Pinelands (Pine Barrens) in 1970–1972 and 1984–1988. Over the interval, the sea salt corrected concentration of Ca and SO4 significantly declined in precipitation and all streams. Analytical problems prevented analysis of the change in precipitation H, but H significantly declined in all streams. The change in precipitation and stream water Mg and K was less consistent, but was generally toward lower concentrations in 1984–1988. After examining the potential contribution of analytical artifacts and changes in watershed characteristics and hydrology to these results, it was concluded that the changes in precipitation chemistry was real and resulted in direct changes in stream chemistry between 1970–1972 and 1984–1988. The direct effect of precipitation on stream water chemistry in the New Jersey Pinelands suggests that this region is an ideal locality to investigate future long-term linkages between precipitation and surface water.

Financial support was provided by the Pew Charitable Trust, the New Jersey Conserv. Foundation, Public Serv. Electric and Gas Co., Jersey Central Power and Light Co., and Atlantic City Electric Co. The Natl. Science Foundation (BSR 86 05182) and the Division of Pinelands Res. provided the primary laboratory facilities.
Contribution no. 1047 Center for Coastal and Environmental Studies, Rutgers Univ.

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