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RECORD NUMBER: 20 OF 42

OLS Field Name OLS Field Data
Main Title Hydrologic and Chemical Characteristics of Darkwater, Clearwater and Acidic Lakes in the United States.
Author Brakke, D. F. ; Eilers, J. M. ; Landers, D. H. ;
CORP Author Western Washington Univ., Bellingham.;Corvallis Environmental Research Lab., OR.
Year Published 1987
Report Number EPA-R-812653 ;EPA-R-10652; EPA/600/D-87/360;
Stock Number PB88-144498
Additional Subjects Chemical composition ; Lakes ; Water composition ; Chemical analysis ; Acidification ; Hydrology ; Water pollution ; Acid deposition
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB88-144498 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 14p
Abstract
Major differences were found in the distribution of lake types between areas of the United States. Drainage lakes were most common in the Northeast and West. Seepage lakes were common in some areas of the Upper Midwest (59% of the lakes in Northcentral Wisconsin) and Florida (66%). Seepage lakes represented 18% of the lakes in the West. Seepage lakes in the Northeast had ANC values similar to drainage lakes whereas seepage lakes in the Upper Midwest and Florida had lower ANC compared to drainage lakes. Reservoirs in all regions had the highest median ANC and Ca2+. Hydrologic residence times were two to three times shorter in the Northeast than in the Upper Midwest, but DOC was inversely related to residence time in both areas. Acidic drainage lakes (ANC