Articles | Volume 16, issue 22
https://doi.org/10.5194/acp-16-14203-2016
https://doi.org/10.5194/acp-16-14203-2016
Research article
 | 
16 Nov 2016
Research article |  | 16 Nov 2016

STEFLUX, a tool for investigating stratospheric intrusions: application to two WMO/GAW global stations

Davide Putero, Paolo Cristofanelli, Michael Sprenger, Bojan Škerlak, Laura Tositti, and Paolo Bonasoni

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Cited articles

Appenzeller, C. and Davies, H. C.: Structure of stratospheric intrusions into the troposphere, Nature, 358, 570–572, 1992.
Appenzeller, C., Davies, H., and Norton, W.: Fragmentation of stratospheric intrusions, J. Geophys. Res.-Atmos., 101, 1435–1456, 1996.
Bourqui, M. S.: Stratosphere-troposphere exchange from the Lagrangian perspective: a case study and method sensitivities, Atmos. Chem. Phys., 6, 2651–2670, https://doi.org/10.5194/acp-6-2651-2006, 2006.
Bourqui, M. and Trépanier, P.-Y.: Descent of deep stratospheric intrusions during the IONS August 2006 campaign, J. Geophys. Res.-Atmos., 115, D18301, https://doi.org/10.1029/2009JD013183, 2010.
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The aim of this paper is to present STEFLUX, a tool to obtain a fast-computing identification of the stratospheric intrusion (SI) events occurring at a specific location and during a specified time window. STEFLUX results are compared to the SI observations at two high-mountain WMO/GAW global stations in Nepal and Italy, representative of two hot spots for climate change. Furthermore, the climatology of SI at the two stations is assessed, and the impact of several climate factors investigated.
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