Oxygen isotope mass balance of atmospheric nitrate at Dome C, East  Antarctica, during the OPALE campaign

Savarino, Joël; Vicars, William C.; Legrand, Michel; Preunkert, Suzanne; Jourdain, Bruno; Frey, Markus M.; Kukui, Alexandre; Caillon, Nicolas; Gil Roca, Jaime

doi:10.5194/acp-16-2659-2016

Articles | Volume 16, issue 4

https://doi.org/10.5194/acp-16-2659-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Oxidant Production over Antarctic Land and its Export...

https://doi.org/10.5194/acp-16-2659-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 4

Research article

|

03 Mar 2016

Research article |

| 03 Mar 2016

Oxygen isotope mass balance of atmospheric nitrate at Dome C, East Antarctica, during the OPALE campaign

Joël Savarino, William C. Vicars, Michel Legrand, Suzanne Preunkert, Bruno Jourdain, Markus M. Frey, Alexandre Kukui, Nicolas Caillon, and Jaime Gil Roca

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Latest update: 08 Nov 2025

Short summary

Atmospheric nitrate is collected on the East Antarctic ice sheet. Nitrogen and oxygen stable isotopes and concentrations of nitrate are measured. Using a box model, we show that there is s systematic discrepancy between observations and model results. We suggest that this discrepancy probably results from unknown NO_x chemistry above the Antarctic ice sheet. However, possible misconception in the stable isotope mass balance is not completely excluded.