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Limitations of Using δ 18 O for the Source Identification of Nitrate in Agricultural Soils

✍ Scribed by Mengis, Martin; Walther, Ulrich; Bernasconi, Stefano M.; Wehrli, Bernhard


Book ID
126057705
Publisher
American Chemical Society
Year
2001
Tongue
English
Weight
70 KB
Volume
35
Category
Article
ISSN
0013-936X

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## Abstract The natural abundance of nitrogen and oxygen isotopes in nitrate can be a powerful tool for identifying the source of nitrate in streamwater in forested watersheds, because the two main sources of nitrate, atmospheric deposition and microbial nitrification, have distinct δ^18^O values.