The oxygen isotopic composition of phosphate in river water and its potential sources in the Upper River Taw catchment, UK
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- 作者：Steven J. Granger<sup>asup><sup> ; sup><sup>steve.granger@rothamsted.ac.uk" class="auth_mail" title="E-mail the corresponding authorsup> ; Tim H.E. Heaton<sup>bsup> ; Verena Pfahler<sup>asup> ; Martin S.A. Blackwell<sup>asup> ; Huimin Yuan<sup>csup> ; Adrian L. Collins<sup>asup>
- 关键词：Phosphorus ; Stable isotopes ; Tracing ; Fertilizers ; Animal slurry ; Microbial cycling
- 刊名：Science of the Total Environment
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：574
- 期：Complete
- 页码：680-690
- 全文大小：813 K
文摘
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Can sources of aquatic PO<sub>4sub> be traced using its stable oxygen isotope ratio?
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Various PO<sub>4sub> sources within a catchment were analysed for their δ<sup>18sup>O<sub>PO4sub>.
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River δ<sup>18sup>O<sub>PO4sub> indicated that rapid microbial cycling of PO<sub>4sub> was occurring.
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This method appears inappropriate in systems where PO<sub>4sub> cycling is rapid.
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