globalchange  > 气候变化与战略
DOI: 10.1073/pnas.2013584117
论文题名:
The critical role of cloud–infrared radiation feedback in tropical cyclone development
作者: Ruppert Jr J.H.; Wing A.A.; Tang X.; Duran E.L.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:45
起始页码: 27884
结束页码: 27892
语种: 英语
英文关键词: clouds ; feedback ; Hurricane ; radiation ; tropical cyclone
Scopus关键词: article ; gestation period ; hurricane ; infrared radiation ; prediction ; hurricane
英文摘要: The tall clouds that comprise tropical storms, hurricanes, and typhoons—or more generally, tropical cyclones (TCs)—are highly effective at trapping the infrared radiation welling up from the surface. This cloud–infrared radiation feedback, referred to as the “cloud greenhouse effect,” locally warms the lower–middle troposphere relative to a TC’s surroundings through all stages of its life cycle. Here, we show that this effect is essential to promoting and accelerating TC development in the context of two archetypal storms—Super Typhoon Haiyan (2013) and Hurricane Maria (2017). Namely, this feedback strengthens the thermally direct transverse circulation of the developing storm, in turn both promoting saturation within its core and accelerating the spin-up of its surface tangential circulation through angular momentum convergence. This feedback therefore shortens the storm’s gestation period prior to its rapid intensification into a strong hurricane or typhoon. Further research into this subject holds the potential for key progress in TC prediction, which remains a critical societal challenge. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163951
Appears in Collections:气候变化与战略

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作者单位: Ruppert Jr, J.H., Department of Meteorology and Atmospheric Science, Pennsylvania State University, University Park, PA 16802, United States, Center for Advanced DataAssimilation and Predictability Techniques, Pennsylvania State University, University Park, PA 16802, United States; Wing, A.A., Department of Earth, Ocean and AtmosphericScience, Florida State University, Tallahassee, FL 32306, United States; Tang, X., Key Laboratory of Mesoscale Severe Weather, Ministry of Education, School of AtmosphericSciences, Nanjing University, Nanjing, 210093, China; Duran, E.L., Earth System Science Center, University of Alabama in Huntsville, NASA Short-term PredictionResearch and Transition (SPoRT) Center, Huntsville, AL 35805, United States

Recommended Citation:
Ruppert Jr J.H.,Wing A.A.,Tang X.,et al. The critical role of cloud–infrared radiation feedback in tropical cyclone development[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(45)
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