Record Display for the EPA National Library Catalog

RECORD NUMBER: 30 OF 433

OLS Field Name OLS Field Data
Main Title Acidic Lakes and Streams in the United States: The Role of Acidic Deposition.
Author Baker, L. A. ; Herlihy, A. T. ; Kaufmann, P. R. ; Eilers., J. M. ;
CORP Author Corvallis Environmental Research Lab., OR. ;E and S Environmental Chemistry, Inc., Corvallis, OR.
Publisher c1991
Year Published 1991
Report Number EPA/600/J-91/156;
Stock Number PB91-226324
Additional Subjects Surface waters ; Acidification ; Air water interactions ; Water pollution ; Deposition ; Lakes ; Streams ; United States ; Pollution sources ; Air pollution ; Statistical analysis ; Acid mine drainage ; Precipitation(Meteorology) ; Wet methods ; Dry methods ; Reprints ; National Surface Water Survey
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB91-226324 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 11/26/1991
Collation 7p
Abstract
A statistically designed survey of lakes and streams in acid-sensitive areas of the United States, the National Surface Water Survey (NSWS), was used to identify the role of acidic deposition, relative to other factors, in causing acidic conditions in 1,181 lakes and 4,668 streams. Atmospheric deposition is the dominant source of acid anions in 75% of the acidic lakes and 47% of the acidic streams. Organic anions are dominant in one-fourth of the acidic lakes and streams; acidic mine drainage is the dominant acid source in 25% of the acidic streams. Other causes of acidic conditions are relatively unimportant on a regional scale. Nearly all the deposition-dominated acidic systems were found in six well-delineated subpopulations that represent about one-fourth of the NSWS lake population and one-third of the NSWS stream population. (Copyright (c) 1991 by the American Association for the Advancement of Science.)