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DOI | 10.1175/JAS-D-17-0122.1 |
The Role of Near-Core Convective and Stratiform Heating/Cooling in Tropical Cyclone Structure and Intensity | |
Chen, Guanghua1,2; Wu, Chun-Chieh3; Huang, Yi-Hsuan3 | |
2018 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES
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ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2018 |
卷号 | 75期号:1页码:297-326 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Taiwan |
英文摘要 | The effects of convective and stratiform diabatic processes in the near-core region on tropical cyclone (TC) structure and intensity change are examined by artificially modifying the convective and stratiform heating/cooling between 40- and 80-km radii. Sensitivity experiments show that the absence of convective heating in the annulus can weaken TC intensity and decrease the inner-core size. The increased convective heating generates a thick and polygonal eyewall, while the storm intensifies more gently than that in the control run. The removal of stratiform heating can slow down TC intensification with a moderate intensity, whereas the doubling of stratiform heating has little effect on the TC evolution compared to the control run. The halved stratiform cooling facilitates TC rapid intensification and a compact inner-core structure with the spiral rainbands largely suppressed. With the stratiform cooling doubled, the storm terminates intensification and eventually develops a double-eyewall-like structure accompanied by the significantly outward expansion of the inner-core size. The removal of both stratiform heating and cooling generates the strongest storm with the structure and intensity similar to those in the experiment with stratiform cooling halved. When both stratiform heating and cooling are doubled, the storm first decays rapidly, followed by the vertical connection of the updrafts at mid-to upper levels in the near-core region and at lower levels in the collapsed eyewall, which reinvigorates the eyewall convection but with a large outward slope. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000425750200017 |
WOS关键词 | SECONDARY EYEWALL FORMATION ; RAPID FILAMENTATION ZONE ; PART II ; MICROPHYSICAL PROCESSES ; INERTIAL STABILITY ; WIND-FIELD ; WARM-CORE ; EVOLUTION ; HURRICANES ; MODEL |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
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/29293 |
专题 | 地球科学 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, Beijing, Peoples R China; 2.Nanjing Univ Informat Sci & Technol, Minist Educ, Key Lab Meteorol Disaster, Nanjing, Jiangsu, Peoples R China; 3.Natl Taiwan Univ, Dept Atmospher Sci, Taipei, Taiwan |
推荐引用方式 GB/T 7714 | Chen, Guanghua,Wu, Chun-Chieh,Huang, Yi-Hsuan. The Role of Near-Core Convective and Stratiform Heating/Cooling in Tropical Cyclone Structure and Intensity[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2018,75(1):297-326. |
APA | Chen, Guanghua,Wu, Chun-Chieh,&Huang, Yi-Hsuan.(2018).The Role of Near-Core Convective and Stratiform Heating/Cooling in Tropical Cyclone Structure and Intensity.JOURNAL OF THE ATMOSPHERIC SCIENCES,75(1),297-326. |
MLA | Chen, Guanghua,et al."The Role of Near-Core Convective and Stratiform Heating/Cooling in Tropical Cyclone Structure and Intensity".JOURNAL OF THE ATMOSPHERIC SCIENCES 75.1(2018):297-326. |
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