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BG | Articles | Volume 15, issue 22
Biogeosciences, 15, 7025–7042, 2018
https://doi.org/10.5194/bg-15-7025-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 7025–7042, 2018
https://doi.org/10.5194/bg-15-7025-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 22 Nov 2018

Research article | 22 Nov 2018

Export flux of unprocessed atmospheric nitrate from temperate forested catchments: a possible new index for nitrogen saturation

Fumiko Nakagawa et al.

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Cited articles

Aber, J. D., Nadelhoffer, K. J., Steudler, P., and Melillo, J. M.: Nitrogen Saturation in Northern Forest Ecosystems, Bioscience, 39, 378–386, 1989. 
Aber, J. D., Goodale, C. L., Ollinger, S. V., Smith, M.-L., Magill, A. H., Martin, M. E., Hallett, R. A., and Stoddard, J. L.: Is nitrogen deposition altering the nitrogen status of northeastern forests?, Bioscience, 53, 375–389, 2003. 
Aikawa, M., Hiraki, T., Tamaki, M., and Shoga, M.: Difference between filtering-type bulk and wet-only data sets based on site classification, Atmos. Environ., 37, 2597–2603, 2003. 
Alexander, B., Hastings, M. G., Allman, D. J., Dachs, J., Thornton, J. A., and Kunasek, S. A.: Quantifying atmospheric nitrate formation pathways based on a global model of the oxygen isotopic composition (Δ17O) of atmospheric nitrate, Atmos. Chem. Phys., 9, 5043–5056, https://doi.org/10.5194/acp-9-5043-2009, 2009 
Berner, E. K. and Berner, R. A.: The global water cycle: geochemistry and environment, Englewood Cliffs, NJ, Prentice-Hall, 1987. 
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To clarify the biological processing of nitrate within temperate forested catchments using unprocessed atmospheric nitrate exported from each catchment as a tracer, we continuously monitored stream nitrate concentrations and stable isotopic compositions in three forested catchments for more than 2 years. We concluded that the export flux of unprocessed atmospheric nitrate relative to the deposition flux in each forest ecosystem is applicable as an index for nitrogen saturation.
To clarify the biological processing of nitrate within temperate forested catchments using...
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