Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL088911 |
Step increase in eastern U.S. precipitation linked to Indian Ocean warming | |
Courtenay Strong; Gregory J. McCabe; Alexander Weech | |
2020-08-21 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2020 |
英文摘要 | A step increase in annual precipitation over the eastern U.S. in the early 1970s commenced five decades of invigorated hydroclimate, with ongoing impacts on streamflow and water resources. Despite its far‐reaching impacts, the dynamical origin of this change is unknown. Here, analyses of a century of atmospheric and oceanic data trace the dynamics to changes in the Indian Ocean. Increases in fall precipitation contribute most strongly to the step increase, and the associated mechanism is emergence of a pan‐Pacific atmospheric wave emanating from deep convection over the warming Indian Ocean. Documentation of this fall teleconnection draws attention to projected anthropogenic increases in tropical oceanic heat content, and their potential impacts on hydroclimate of the midlatitudes. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/291111 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Courtenay Strong,Gregory J. McCabe,Alexander Weech. Step increase in eastern U.S. precipitation linked to Indian Ocean warming[J]. Geophysical Research Letters,2020. |
APA | Courtenay Strong,Gregory J. McCabe,&Alexander Weech.(2020).Step increase in eastern U.S. precipitation linked to Indian Ocean warming.Geophysical Research Letters. |
MLA | Courtenay Strong,et al."Step increase in eastern U.S. precipitation linked to Indian Ocean warming".Geophysical Research Letters (2020). |
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