Isotopic constraints of atmospheric Antarctic nitrate

Nitrogen and oxygen isotopic constraints on the origin of atmospheric nitrate in coastal Antarctica J. Savarino, J. Kaiser, S. Morin, D. M. Sigman, and M. H. Thiemens Laboratoire de Glaciologie et Géophysique de l’Environnement (CNRS – UJF), 54 rue Molière BP96, St Martin d’Hères, 38402 France Princeton University, Department of Geosciences, Princeton, NJ 08544, USA University of California at San Diego, Department of Chemistry and Biochemistry, 9500 Gilman Drive, La Jolla, CA 92093-0356, USA now at: University of East Anglia, School of Environmental Sciences, Norwich, Norfolk, NR4 7TJ, UK Received: 25 July 2006 – Accepted: 29 August 2006 – Published: 21 September 2006 Correspondence to: J. Savarino ([email protected])