High Resolution Dynamics Limb Sounder measurements of gravity wave activity in the 2006 Arctic stratosphereWright, C. J., Osprey, S. M., Barnett, J. J., Gray, L. J. and Gille, J. C. (2010) High Resolution Dynamics Limb Sounder measurements of gravity wave activity in the 2006 Arctic stratosphere. Journal of Geophysical Research, 115. D02105. ISSN 0148-0227 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1029/2009JD011858 Abstract/SummaryObservations from the High Resolution Dynamics Limb Sounder (HIRDLS) instrument on NASA's Aura satellite are used to quantify gravity wave momentum fluxes in the middle atmosphere. The period around the 2006 Arctic sudden stratospheric warming (SSW) is investigated, during which a substantial elevation of the stratopause occurred. Analysis of the HIRDLS results, together with analysis of European Centre for Medium-Range Weather Forecasting zonal winds, provide direct evidence of wind filtering of the gravity wave spectrum during this period. This confirms previous hypotheses from model studies and further contributes to our understanding of the effects of gravity wave driving on the winter polar stratopause.
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