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RECORD NUMBER: 32 OF 848

OLS Field Name OLS Field Data
Main Title Aluminum Precipitation and Dissolution Rates in Spodosol Bs Horizons in the Northeastern USA.
Author Dahlgren, A. ; Driscoll, C. T. ; McAvoy, D. C. ;
CORP Author Syracuse Univ., NY. Dept. of Civil Engineering.
Publisher c1989
Year Published 1989
Report Number EPA/600/J-89/305;
Stock Number PB90-198656
Additional Subjects Computerized simulation ; Aluminum ; Precipitation(Chemistry) ; Reaction kinetics ; Geochemistry ; Soil science ; Acidification ; Surface waters ; Neutralization ; Water chemistry ; Watersheds ; Dissolving ; Water pollution ; Horizon ; Reprints ; Northeast Region(United States) ; Spodosols ; Case studies
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB90-198656 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 08/27/1990
Collation 10p
Abstract The present study was undertaken to verify some of the assumptions involved in the modeling of Al geochemistry in Spodosols of the northeastern USA. Specific objectives were to determine if there is a mineral phase in the Bs horizons which regulates Al(3+) activities, evaluate the rate at which precipitation and dissolution reactions occur with the controlling mineral phase (referred to as Al(OH)3 precipitation hereafter, since the specific reactions controlling Al(3+) activity in soil solutions are unknown), and provide process-level information for the development of simulation models that depict Al retention/release and the acidification of drainage waters. The Bs horizon was chosen because it is the soil horizon thought to most influence surface water chemistry in these shallow Spodosols.
Supplementary Notes Pub. in Soil Science Society of America Jnl., v53 n4 p1045-1052 Jul-Aug 89. Corvallis Environmental Research Lab., OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Aluminum Precipitation and Dissolution Rates in Spodosol Bs Horizons in the Northeastern USA.
Category Codes 48G; 48E; 99F; 68D
NTIS Prices PC A02/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 014419694
Origin NTIS
Type CAT