Tracer-based determination of vortex descent in the 1999-2000 Arctic winter

Greenblatt, J.B., H. Jost, M. Loewenstein, J.R. Podolske, D.F. Hurst, J.W. Elkins, S.M. Schauffler, E.L. Atlas, R.L. Herman, C.R. Webster, T.V. Bui, F.L. Moore, E.A. Ray, S.J. Oltmans, H. Vömel, J.-F. Blavier, B. Sen, R.A. Stachnik, G. Toon, A. Engel, M. Müller, U. Schmidt, H. Bremer, R.B. Pierce, B.-M. Sinnhuber, M. Chipperfield, and F. Lefèvre (2002), Tracer-based determination of vortex descent in the 1999-2000 Arctic winter, J. Geophys. Res., 107, 8279, doi:10.1029/2001JD000937.