Role of Bedrock and Surficial Geology in Determining the Sensitivity of Thunder Bay Area Lakes to Acidification

Role of Bedrock and Surficial Geology in Determining the Sensitivity of Thunder Bay Area Lakes to Acidification

During 1979–82, samples from 331 lakes in the Thunder Bay area were analyzed for alkalinity, conductivity, and pH. Eight lakes (2.4%) were extremely sensitive to acidification (alk. < 40 μeq/L), 259 (78.2%) had moderate to low sensitivity (alk. 40–500 μeq/L) and 64 (19.4%) were not sensitive (alk...

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Veröffentlicht in:Journal of Great Lakes research 1985, Vol.11 (4), p.501-507
Hauptverfasser: Brousseau, Christopher S., Baccante, D., Maki, L.W.
Format: Artikel
Sprache:eng
Schlagworte:
Acid rain
alkalinity
conductivity
Freshwater
geologic mapping
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Zusammenfassung:During 1979–82, samples from 331 lakes in the Thunder Bay area were analyzed for alkalinity, conductivity, and pH. Eight lakes (2.4%) were extremely sensitive to acidification (alk. < 40 μeq/L), 259 (78.2%) had moderate to low sensitivity (alk. 40–500 μeq/L) and 64 (19.4%) were not sensitive (alk. >500 μeq/L). Conductivity was
ISSN:0380-1330
DOI:10.1016/S0380-1330(85)71793-5