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DOI | 10.1175/JAS-D-16-0195.1 |
Tropical Cyclones in Rotating Radiative-Convective Equilibrium with Coupled SST | |
Zhou, Wenyu1,3; Held, Isaac M.2; Garner, Stephen T.2 | |
2017-03-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES |
ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2017 |
卷号 | 74期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Tropical cyclones are studied under the idealized framework of rotating radiative-convective equilibrium, achieved in a large doubly periodic f plane by coupling the column physics of a global atmospheric model to rotating hydrostatic dynamics. Unlike previous studies that prescribe uniform sea surface temperature (SST) over the domain, SSTs are now predicted by coupling the atmosphere to a simple slab ocean model. With coupling, SSTs under the eyewall region of tropical cyclones (TCs) become cooler than the environment. However, the domain still fills up with multiple long-lived TCs in all cases examined, including at the limit of the very small depth of the slab. The cooling of SSTs under the eyewall increases as the depth of the slab ocean layer decreases but levels off at roughly 6.5K as the depth approaches zero. At the eyewall, the storm interior is decoupled from the cooler surface and moist entropy is no longer well mixed along the angular momentum surface in the boundary layer. TC intensity is reduced from the potential intensity computed without the cooling, but the intensity reduction is smaller than that estimated by a potential intensity taking into account the cooling and assuming that moist entropy is well mixed along angular momentum surfaces within the atmospheric boundary layer. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000399332300010 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; PART I ; HURRICANE INTENSITY ; SIMULATIONS ; MODEL ; RESOLUTION ; PREDICTABILITY ; CYCLOGENESIS ; VARIABILITY ; SENSITIVITY |
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/29280 |
专题 | 地球科学 |
作者单位 | 1.Princeton Univ, Atmospher & Ocean Sci Program, Princeton, NJ 08544 USA; 2.NOAA, Geophys Fluid Dynam Lab, Princeton, NJ USA; 3.Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA |
推荐引用方式 GB/T 7714 | Zhou, Wenyu,Held, Isaac M.,Garner, Stephen T.. Tropical Cyclones in Rotating Radiative-Convective Equilibrium with Coupled SST[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(3). |
APA | Zhou, Wenyu,Held, Isaac M.,&Garner, Stephen T..(2017).Tropical Cyclones in Rotating Radiative-Convective Equilibrium with Coupled SST.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(3). |
MLA | Zhou, Wenyu,et al."Tropical Cyclones in Rotating Radiative-Convective Equilibrium with Coupled SST".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.3(2017). |
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