| SPECTRAL CHARACTERISTICS OF SURFACE-LAYER TURBULENCE OVER THE SUBURBS OF TIANJIN |
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| 作者姓名： | (王存忠 (曹文俊 |
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| 作者单位： | China Meteorological Press Beijing 100081，Nanjing Institute of Meteorology，Nanjing 210044 |
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| 基金项目： | This study is supported by the National Natural Science Foundation of China. |
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| 摘 要： | The paper computed the spectra of velocity and temperature,and the cospectra of velocity and temperature by theobservational data of July,1990 in the suburbs of Tianjin.The results show that the characteristics of the atmosphericturbulence spectra over the suburbs are basically in accordance with some typical results over the flat terrain.But thescale,on which turbulence can satisfy the isotropic condition,over the suburbs is larger than over the flat terrain.Thespectrum peak frequency range is a bit narrower.The feature of the spectrum range in low frequency(LF)is out ofaccordance with that of the flat terrain either.
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SPECTRAL CHARACTERISTICS OF SURFACE-LAYER TURBULENCE OVER THE SUBURBS OF TIANJIN |
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| Wang CunzhongChina Meteorological Press,Beijing and Cao WenjunNanjing Institute of Meteorology,Nanjing.SPECTRAL CHARACTERISTICS OF SURFACE-LAYER TURBULENCE OVER THE SUBURBS OF TIANJIN[J].Acta Meteorologica Sinica,1994(2). |
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| Authors: | Wang CunzhongChina Meteorological Press Beijing and Cao WenjunNanjing Institute of Meteorology Nanjing |
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| Institution: | Wang CunzhongChina Meteorological Press,Beijing 100081 and Cao WenjunNanjing Institute of Meteorology,Nanjing 210044 |
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| Abstract: | The paper computed the spectra of velocity and temperature,and the cospectra of velocity and temperature by the observational data of July,1990 in the suburbs of Tianjin.The results show that the characteristics of the atmospheric turbulence spectra over the suburbs are basically in accordance with some typical results over the flat terrain.But the scale,on which turbulence can satisfy the isotropic condition,over the suburbs is larger than over the flat terrain.The spectrum peak frequency range is a bit narrower.The feature of the spectrum range in low frequency(LF)is out of accordance with that of the flat terrain either. |
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| Keywords: | atmospheric boundary layer atmospheric turbulence turbulence spectrum |
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