Jiacan Yuan epswebCongratulations to EPS Assistant Research Professor Jiacan Yuan on her new publication "Response of subtropical stationary waves and hydrological extremes to climate warming in boreal summer" in the Journal of Climate. Yuan and coauthors (including Professor and Director of EOAS Robert Kopp) studied subtropical stationary waves in northern summers using CMIP5 climate models in various climate scenarios. These waves consist of high pressure systems over the North Atlantic and North Pacific which lead to more dry weather, and low pressure systems over Eurasia and North America that lead to more wet weather. The study suggests that the intensity of subtropical stationary waves increases in response to global warming. The intensification will partially explain the increase in heavy rainfalls over south and Southeast Asia, and extremely dry weathers over United States and Mexico in projections of future climate.

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