Articles | Volume 16, issue 1
https://doi.org/10.5194/acp-16-101-2016
https://doi.org/10.5194/acp-16-101-2016
Research article
 | 
15 Jan 2016
Research article |  | 15 Jan 2016

Sensitivity of polar stratospheric cloud formation to changes in water vapour and temperature

F. Khosrawi, J. Urban, S. Lossow, G. Stiller, K. Weigel, P. Braesicke, M. C. Pitts, A. Rozanov, J. P. Burrows, and D. Murtagh

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Cited articles

Achtert, P., Khosrawi, F., Blum, U., and Fricke, K.-H.: Investigation of polar stratospheric clouds in January 2008 by means of ground-based and space-borne lidar measurements and microphysical box model simulations, J. Geophys. Res., 116, D07201, https://doi.org/https://doi.org/10.1029/2010JD014803, 2011.
Alexander, S. P., Klekociuk, A. R., Pitts, M. C., McDonald, A. J., and Arevalo-Torres, A.: The effect of orographic gravity waves on Antarctic polar stratospheric cloud occurrence and composition, J. Geophys. Res., 116, D06109, https://doi.org/https://doi.org/10.1029/2010JD015184, 2011.
Alexander, S. P., Klekociuk, A. R., McDonald, A. J., and Pitts, M. C.: Quantifying the role of orographic waves on polar stratospheric cloud occurrence in the Antarctic and the Arctic, J. Geophys. Res., 118, 11493–11507, https://doi.org/https://doi.org/10.1002/2013JD020122, 2013.
Arnone, E., Castelli, E., Papandrea, E., Carlotti, M., and Dinelli, B. M.: Extreme ozone depletion in the 2010–2011 Arctic winter stratosphere as observed by MIPAS/ENVISAT using a 2-D tomographic approach, Atmos. Chem. Phys., 12, 9149–9165, https://doi.org/10.5194/acp-12-9149-2012, 2012.
Austin, J., Butchart, N., and Shine, K. P.: Possibility of an Arctic ozone hole in a doubled-CO2 climate, Nature, 360, 221–225, 1992.
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Short summary
Our sensitivity studies based on air parcel trajectories confirm that Polar stratospheric cloud (PSC) formation is quite sensitive to water vapour and temperature changes. Considering water vapour time series from satellite measurements we do not find a consistent, significant trend in water vapour in the lower stratosphere during the past 15 years (2000–2014). Thus, the severe dentrification observed in 2010/2011 cannot be directly related to increases in stratospheric water vapour.
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