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Author  |
Heaton, T.H.E. | ||||
| Title | Sources of the nitrate in phreatic groundwater in the western Kalahari | Type | Journal Article | ||
| Year | 1984 | Publication | Journal of Hydrology | Abbreviated Journal | |
| Volume | 67 | Issue | 1 | Pages | 249-259 |
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| Abstract | Elevated levels of nitrate occur in phreatic groundwater in the western Kalahari, Namibia. Nitrate in water containing 0.4–3.1 meq NO−3l−1, of widespread occurrence, has δ15N values in the range +4.9 to +8.0‰, suggesting natural derivation from the soil. The sporadic occurrence of very high levels of nitrate (> 4 meq NO−3l−1), which has δ15N between +9.3 to +18.7‰, reflects pollution derived from animal waste. The importance of considering the possible isotopic effects of denitrification, and the significance of leaching in the nitrogen budget of the Kalahari soil, are also discussed. | ||||
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| Language | Summary Language | Original Title | |||
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| ISSN | 0022-1694 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | THL @ christoph.kuells @ Heaton1984249 | Serial | 278 | ||
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