A statistical description of small-scale turbulence in the low-level nocturnal jet

被引：1
|
作者：
Frehlich, R [1 ]
Meillier, Y [1 ]
Jensen, ML [1 ]
Balsley, B [1 ]
机构：
[1] Univ Colorado, CIRES, Boulder, CO 80309 USA
来源：
JOURNAL OF THE ATMOSPHERIC SCIENCES | 2004年 / 61卷 / 09期
关键词：
D O I：
10.1175/1520-0469(2004)061<1079:ASDOST>2.0.CO;2
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The probability density function (PDF) and spatial statistics of both the energy dissipation rate epsilon and the temperature structure constant C-T(2) are determined for the shear region of a nocturnal jet. The PDF of epsilon and C-T(2) are approximately lognormal. In addition, the joint probability density function of epsilon and C-T(2) is approximately a joint lognormal distribution. The one-dimensional spatial spectra of epsilon and C-T(2) in the inertial region have a k(-0.5) and k(-0.6) dependence, respectively, where k is the horizontal spatial wavenumber.
引用
收藏
页码：1079 / 1085
页数：7
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