| Diurnal variations of turbulence parameters over the tropical oceanic upper troposphere during SCSMEX | |
| Liu Xiao; Xu JiYao; Yuan Wei; Liu, X (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China. | |
| Department | 空间科学部 |
| Source Publication | SCIENCE CHINA-TECHNOLOGICAL SCIENCES
 |
| 2014 | |
| Volume | 57Issue:2Pages:351-359 |
| ISSN | 1674-7321 |
| Language | 英语 |
| Keyword | Diurnal Variation Turbulence Tropical Troposphere Mesoscale Convection Systems |
| Abstract | Using the method of Thorpe analysis, the TKE (turbulence kinematic energy) dissipation rate (E >) and turbulence diffusivity (K) were derived from the RS (radiosounding) measurements in the tropical oceanic upper troposphere. The measurements were performed four times per day during two intense observation periods (May 5-25, and June 5-25) on the Kexue #1 scientific observation ship of SCSMEX (South China Sea Monsoon EXperiment) in 1998. There are three new features obtained from our analysis. First, the responses of E > and K to the onset of monsoon are negligible over the ocean at least for the data used here. Second, the temporal variations of E > and K are in a similar manner and exhibit strong diurnal variations. The diurnal variations achieve their maxima in the morning (08 LT) and early afternoon (14 LT), and achieve their minima in the evening (20 LT) and early morning hours (02 LT). The diurnal variations of turbulence parameters (E > and K) and their responses to the onset of monsoon are entirely different from those derived over land at similar latitudes. Finally, although the correlations between the variations of E > and MCSs (mesoscale convective systems), which were derived from TRMM (tropical rainfall measuring mission) satellite, are not very well in only few days, the diurnal variations of E > averaged over May and June are strongly correlated with the diurnal variations of MCSs with correlation factors of 0.79 and 0.94, respectively. This indicates that the turbulence and its diurnal variations over the tropic oceanic upper stratosphere region are highly related to the MCSs. |
| Indexed By | SCI ; EI |
| Funding Project | 中国科学院空间科学与应用研究中心 |
| Document Type | 期刊论文 |
| Identifier | http://ir.nssc.ac.cn/handle/122/2745 |
| Collection | 空间科学部 |
| Corresponding Author | Liu, X (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, State Key Lab Space Weather, Beijing 100190, Peoples R China. |
| Recommended Citation GB/T 7714 | Liu Xiao,Xu JiYao,Yuan Wei,et al. Diurnal variations of turbulence parameters over the tropical oceanic upper troposphere during SCSMEX[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2014,57(2):351-359. |
| APA | Liu Xiao,Xu JiYao,Yuan Wei,&Liu, X .(2014).Diurnal variations of turbulence parameters over the tropical oceanic upper troposphere during SCSMEX.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,57(2),351-359. |
| MLA | Liu Xiao,et al."Diurnal variations of turbulence parameters over the tropical oceanic upper troposphere during SCSMEX".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 57.2(2014):351-359. |
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| 2014572351.pdf（935KB） | 开放获取 | CC BY-NC-SA | Application Full Text | |||
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