Geochemistry of Lake Waters from the South Island, New Zealand
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1974-10
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University of Hawai'i Press
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Abstract
Snow and lake water samples from the New Zealand region have
been analyzed for a range of constituents. The results indicate that the lake waters
are generally low in ionic constituents and that these constituents are distributed
uniformly with depth in the lakes. The concentrations of sodium and potassium
in the lake waters indicate that these elements are derived principally by direct
atmospheric transport of marine aerosols. Calcium, magnesium, and silica are
enriched relative to sodium in the lake waters when compared with rainwater
by leaching of the surrounding schist and graywackes in the sequence calcium >
magnesium > silicon silica. SO4 2- is also enriched relative to sodium in the lake
water compared with the precipitation samples.
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Glasby GP, Edgerley WHL. 1974. Geochemistry of lake waters from the South Island, New Zealand. Pac Sci 28(4): 505-513.
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