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. Grangera ; steve.granger@rothamsted.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Tim H.E. Heatonb ; Verena Pfahlera ; Martin S.A. Blackwella ; Huimin Yuanc ; Adrian L. Collinsa
- 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 PO4 be traced using its stable oxygen isotope ratio?
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Various PO4 sources within a catchment were analysed for their δ18OPO4.
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River δ18OPO4 indicated that rapid microbial cycling of PO4 was occurring.
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This method appears inappropriate in systems where PO4 cycling is rapid.