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Clouds are important to the earth’s energy balance and a regulator of both climate and weather. My current research focuses on developing more physically realistic turbulence models for the subgrid scales in moist-atmosphere large-eddy simulation (LES) codes, and will seek deeper understanding of the physical processes related to cloud simulations. My PhD research at the University of Washington mainly focused on the influence of mountains on the response of precipitation to global warming. Orographic precipitation directly supplies water resources for 1/4 of the world's population; Meanwhile, it also generates rain shadows responsible for the formation of many dry lands around the globe. So mountains are important modulators of the hydrological cycle in the Earth system. It is interesting and important to know how those effects may change under global warming. Another field that interests me is the atmosphere's natural variability. Despite the chaotic nature of its dynamics, the general circulation of the atmosphere has been found to be largely governed by a few relatively simple modes/waves, such as Annular Modes, MJO. Knowledge about the atmopshere's variability is not only of important intellectual merit, but also useful in developing global atmospheric models. |
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