Have U.S. surface waters responded to the 1990 clean air act amendments?
Regulatory measures have had a positive effect on acid content in many lakes and streams in the northern and eastern US. Nearly 20 years of data are analyzed.
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Veröffentlicht in: | Environmental science & technology 2004-12, Vol.38 (24), p.484A-490A |
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Hauptverfasser: | , , , , , , , , , , , , , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Regulatory measures have had a positive effect on acid content in many lakes and streams in the northern and eastern US. Nearly 20 years of data are analyzed. |
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ISSN: | 0013-936X 1520-5851 |
DOI: | 10.1021/es040686l |