Nitrate stable isotopes: Tools for determining nitrate sources among different land uses in the Mississippi River Basin

@inproceedings{Chang2002NitrateSI,
  title={Nitrate stable isotopes: Tools for determining nitrate sources among different land uses in the Mississippi River Basin},
  author={Cecily C. Y. Chang and Carol Kendall and Steven R. Silva and William A. Battaglin and Donald Harvey Campbell},
  year={2002}
}
A study was conducted to determine whether NO3– stable isotopes (δ15N and δ18O), at natural abundance levels, could discriminate among NO3– sources from sites with different land uses at the basin scale. Water samples were collected from 24 sites in the Mississippi River Basin from five land-use categories: (1) large river basins (>34 590 km2) draining multiple land uses and smaller basins in which the predominant land use was (2) urban, (3) undeveloped, (4) crops, or (5) crops and livestock… CONTINUE READING

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