globalchange  > 气候变化与战略
DOI: 10.3390/atmos11020158
论文题名:
An observational study of the symmetric boundary layer structure and tropical cyclone intensity
作者: Ren Y.; Zhang J.A.; Vigh J.L.; Zhu P.; Liu H.; Wang X.; Wadler J.B.
刊名: Atmosphere
ISSN: 20734433
出版年: 2020
卷: 11, 期:2
语种: 英语
英文关键词: Atmospheric boundary layer ; Axisymmetric structure ; Climatology ; Storm intensity ; Tropical cyclone
Scopus关键词: Atmospheric structure ; Climatology ; Hurricanes ; Storms ; Tropics ; Wind ; Axisymmetric structure ; Boundary layer structure ; Composite analysis ; Observational study ; Potential temperature ; Storm intensity ; Tropical cyclone ; Tropical cyclone intensity ; Atmospheric boundary layer
英文摘要: This study analyses Global Positioning System dropsondes to document the axisymmetric tropical cyclone (TC) boundary-layer structure, based on storm intensity. A total of 2608 dropsondes from 42 named TCs in the Atlantic basin from 1998 to 2017 are used in the composite analyses. The results show that the axisymmetric inflow layer depth, the height of maximum tangential wind speed, and the thermodynamic mixed layer depth are all shallower in more intense TCs. The results also show that more intense TCs tend to have a deep layer of the near-saturated air inside the radius of maximum wind speed (RMW). The magnitude of the radial gradient of equivalent potential temperature (θe) near the RMW correlates positively with storm intensity. Above the inflow layer, composite structures of TCs with different intensities all possess a ring of anomalously cool temperatures surrounding the warm-core, with the magnitude of the warm-core anomaly proportional to TC intensity. The boundary layer composites presented here provide a climatology of how axisymmetric TC boundary layer structure changes with intensity. © 2020 by the authors.
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被引频次[WOS]:9   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/159894
Appears in Collections:气候变化与战略

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作者单位: Climate Center of Jiangsu Province, Nanjing210000, China; Hurricane Research Division, NOAA/AOML and Cooperative Institute for Marine and Atmospheric Studies, University of Miami, Miami, FL 33149, United States; Joint Numerical Testbed Program, Research Applications Laboratory, National Center for Atmospheric Research, Boulder, CO 80305, United States; Department of Earth and Environment, Florida International University, Miami, FL 33149, United States; Institute of Oceanography, Shanghai Jiao Tong University, Shanghai, 200000, China; Joint Centre for Data Assimilation Research and Application, Nanjing University of Information Science and Technology, Nanjing, 210000, China; Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL 33149, United States

Recommended Citation:
Ren Y.,Zhang J.A.,Vigh J.L.,et al. An observational study of the symmetric boundary layer structure and tropical cyclone intensity[J]. Atmosphere,2020-01-01,11(2)
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