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Scientists Predict Dramatic Increase in Flooding, Drought in California | |
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2020-07-16 | |
发布年 | 2020 |
语种 | 英语 |
国家 | 美国 |
领域 | 气候变化 |
正文(英文) | California may see a 54 percent increase in rainfall variability by the end of this century, according to new research from the lab of Assistant Professor Da Yang, a 2019 Packard Fellow and atmospheric scientist with the University of California, Davis. Writing in the journal Nature Climate Change, Yang and his co-authors predict the entire West Coast will experience greater month-to-month fluctuations in extremely dry and wet weather, especially in California. The lead author is Wenyu Zhou, a postdoctoral researcher in the Lawrence Berkeley National Laboratory where Yang has a dual appointment. The study explores the Madden-Julian oscillation (MJO), an atmospheric phenomenon that influences rainfall in the tropics and can trigger everything from cyclones over the Indian Ocean to heatwaves, droughts and flooding in the United States. Yang, Zhou and their team show that as the Earth's climate warms, the dynamics controlling MJO will expand eastward and cause a huge uptick in extreme weather in California. "I was surprised by the magnitude of the effect," said Yang, an assistant professor with the UC Davis Department of Land, Air and Water Resources. "A 54 percent increase in rainfall variability will have very significant impacts on agriculture, flood control and water management." In 2019, Yang was among 22 early-career scientists and engineers nationwide to receive the Packard Fellowship. He is the first recipient of the award for the UC Davis College of Agricultural and Environmental Sciences. This study was supported by the David and Lucille Packard Foundation and by the project "Toward Accurately Predicting California Hydroclimate by Cracking the Tropical Storm King," which is funded by the U.S. Department of Energy. Yang and his team use satellite observations and computer models to study the physics of rainstorms and atmospheric circulation in a changing climate. They are working to understand what environmental factors control the size and duration of rainstorms and how the collective effects of rainstorms, in turn, shape Earth's climate.
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Story Source: Materials provided by University of California - Davis. Note: Content may be edited for style and length. Journal Reference:
Cite This Page: University of California - Davis. "Scientists predict dramatic increase in flooding, drought in California." ScienceDaily. ScienceDaily, 16 July 2020.
University of California - Davis. (2020, July 16). Scientists predict dramatic increase in flooding, drought in California. ScienceDaily. Retrieved July 18, 2020 from www.sciencedaily.com/releases/2020/07/200716101603.htm
University of California - Davis. "Scientists predict dramatic increase in flooding, drought in California." ScienceDaily. www.sciencedaily.com/releases/2020/07/200716101603.htm (accessed July 18, 2020).
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URL | 查看原文 |
来源平台 | Science Daily |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/283866 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | admin. Scientists Predict Dramatic Increase in Flooding, Drought in California. 2020. |
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