Experimental study of turbulence and vertical temperature profile in the urban boundary layer

被引：0

作者：

Kano, Hitoshi ^{[1
]}

Watanabe, Satsuki ^{[1
]}

Iwai, Yoshinori ^{[2
]}

Ito, Yoshiki ^{[2
]}

Aoki, Tomokazu ^{[3
]}

Tamura, Dai ^{[4
]}

Adachi, Takashi ^{[5
]}

机构：

[1] Univ Hyogo, Sch Human Sci & Environm, Himeji, Hyogo 6700092, Japan

[2] Sonic Corp, Mizuho, Tokyo 1901295, Japan

[3] Japan Meteorol Corp, Naniwa Ku, Osaka 5560021, Japan

[4] Tokyo Kyuei Co Ltd, Kawaguchi, Saitama 3330866, Japan

[5] Japan Weather Assoc, Toshima Ku, Tokyo 1706055, Japan

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2011年 / 47卷 / 1-4期

关键词：

correlation coefficient; Doppler sodar; field observation; Monin-Obukhov similarity theory; roughness sublayer; tower; turbulence; unstable condition; urban areas; REYNOLDS STRESS; SURFACE;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We observed the turbulence and vertical profile of temperature in and above the roughness sublayer (RS) using a tower, a tethered balloon and a Doppler sodar in Himeji City. A 3-D ultrasonic anemometer-thermometer was sited at a height of 54 m on the tower. The present results showed that in the RS, the ratio of friction velocity to wind speed, u*/u, observed under unstable conditions of -4.2 < z'/L < -0.5 were close to those under neutral conditions, where z' = z - d; the displacement height d = 2 m; L is the Monin-Obkhov stability length. In addition, sigma(w)/u* were lower than the universal function presented by Panofsky et al. (1977). The cross correlation coefficients for u'w' and T'w' under neutral and unstable conditions were also studied.

引用

页码：337 / 347

页数：11

共 19 条

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