Articles | Volume 15, issue 6
Research article
31 Mar 2015
Research article |  | 31 Mar 2015

The impact of temperature vertical structure on trajectory modeling of stratospheric water vapor

T. Wang, A. E. Dessler, M. R. Schoeberl, W. J. Randel, and J.-E. Kim


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Short summary
We investigated the impacts of vertical temperature structures on trajectory simulations of stratospheric dehydration and water vapor by using 1) MERRA temperatures on model levels; 2) GPS temperatures at finer vertical resolutions; and 3) adjusted MERRA temperatures with finer vertical structures induced by waves. We show that despite the fact that temperatures at finer vertical structures tend to dry air by 0.1-0.3ppmv, the interannual variability in different runs is essentially the same.
Final-revised paper