Distinguishing between water column and sedimentary denitrification in the Santa Barbara Basin using the stable isotopes of nitrate

@inproceedings{Sigman2003DistinguishingBW,
  title={Distinguishing between water column and sedimentary denitrification in the Santa Barbara Basin using the stable isotopes of nitrate},
  author={Daniel M Sigman and Rachel M. Robinson and Angela N. Knapp and Daniel C. McCorkle},
  year={2003}
}
[1] Below its sill depth, the Santa Barbara Basin (SBB) is commonly suboxic ([O2] 3 mM), with only brief periods of ventilation. Associated with development of suboxia, the concentration of nitrate decreases with depth into the basin without an associated decrease in phosphate, indicating that a substantial fraction of the nitrate supplied to the basin is removed by denitrification. Coincident with the decrease in nitrate concentration across the ‘‘redoxcline’’ (the interface between oxic and… CONTINUE READING

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