| Reference Type | Journal (article/letter/editorial) |
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| Title | Isotope geochemistry of stratified Lake "A," Ellesmere Island, N.W.T., Canada |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Jeffries, M. O. | Author |
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| Krouse, H. R. | Author |
| Shakur, M. A. | Author |
| Harris, S. A. | Author |
| Year | 1984 (September 1) | Volume | 21 |
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| Issue | 9 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e84-105Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 478361 | Long-form Identifier | mindat:1:5:478361:3 |
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| GUID | 0 |
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| Full Reference | Jeffries, M. O., Krouse, H. R., Shakur, M. A., Harris, S. A. (1984) Isotope geochemistry of stratified Lake "A," Ellesmere Island, N.W.T., Canada. Canadian Journal of Earth Sciences, 21 (9) 1008-1017 doi:10.1139/e84-105 |
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| Plain Text | Jeffries, M. O., Krouse, H. R., Shakur, M. A., Harris, S. A. (1984) Isotope geochemistry of stratified Lake "A," Ellesmere Island, N.W.T., Canada. Canadian Journal of Earth Sciences, 21 (9) 1008-1017 doi:10.1139/e84-105 |
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| In | (1984, September) Canadian Journal of Earth Sciences Vol. 21 (9) Canadian Science Publishing |
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| Abstract/Notes | Ionic composition, salinity, temperature, pH, tritium, and stable isotope compositions of water and ions were determined for samples collected in 1969 and 1982 from different depths of stratified Lake "A" on Ellesmere Island. Tritium contents and ionic and stable isotope compositions were diagnostic of recent fresh water overlying older, deeper trapped seawater. A temperature maximum occurs at 15 m in the freshwater–seawater transition zone. Salinity, δ18O, and δD data suggest that the lake evaporated slightly and acquired about 12% fresh water prior to stratification. Individual ion concentrations reveal a slightly modified cation composition and marked depletions in sulphate and enrichments in dissolved carbonate compared with modern ocean water. The δ34S, δ18O, and δ13C data for [Formula: see text] and [Formula: see text] attest to extensive anaerobic [Formula: see text] reduction during the lake's history. |
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