Acidic deposition to streams: a geology-based method predicts their sensitivity

The response of eastern U.S. catchments to acidic deposition varied considerably, some surface waters showing no change in acidity while others became markedly acidified. A reliable method was sought to predict the sensitivity of streams to acidification. In a study in Frederick County, Maryland, th...

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Bibliographic Details
Published in:Environmental science & technology 1989-04, Vol.23 (4), p.379-385
Main Authors: Bricker, O.P, Rice, K.C
Format: Article
Language:English
Subjects:
ACID RAIN
ACIDE
ACIDOS
ACIDS
BASSIN VERSANT
CONTAMINACION DEL AGUA
COURS D'EAU
CUENCAS HIDROGRAFICAS
CURSOS DE AGUA
ECHANTILLONNAGE
FORECASTING
GEOLOGIA
GEOLOGIE
GEOLOGY
LLUVIA ACIDA
MARYLAND
METHODE
METHODS
METODOS
MUESTREO
PLUIE ACIDE
POLLUTION DE L'EAU
PREVISION
PRONOSTICO
RIVERS
SAMPLING
WATER POLLUTION
WATERSHEDS
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Summary:The response of eastern U.S. catchments to acidic deposition varied considerably, some surface waters showing no change in acidity while others became markedly acidified. A reliable method was sought to predict the sensitivity of streams to acidification. In a study in Frederick County, Maryland, the influence of bedrock composition on stream chemistry was demonstrated, and a method based on geology was established for estimating the percentage of streams in an area which was sensitive to acidic deposition. Geological maps and information on bedrock mineralogy could be used to predict the sensitivity of streams to acidic deposition.
ISSN:0013-936X
1520-5851
DOI:10.1021/es00181a001