Effect of film slicks on near-surface wind

被引：4
|
作者：
Charnotskii, Mikhail [1 ,2 ]
Ermakov, Stanislav [3 ]
Ostrovsky, Lev [3 ,4 ,5 ]
Shomina, Olga [3 ]
机构：
[1] Zel Technol LLC, Boulder, CO USA
[2] NOAA, Earth Syst Res Lab, Boulder, CO USA
[3] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia
[4] Univ Colorado, Boulder, CO 80309 USA
[5] Univ N Carolina, Chapel Hill, NC USA
来源：
DYNAMICS OF ATMOSPHERES AND OCEANS | 2016年 / 75卷
基金：
俄罗斯基础研究基金会;
关键词：
Internal boundary layer; Oil slick; Surface roughness; Wind profile; SEA-SURFACE; AIR-FLOW; WAVES; ROUGHNESS; HEIGHT; TURBULENCE; GROWTH; MODEL;
D O I：
10.1016/j.dynatmoce.2016.08.003
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The transient effects of horizontal variation of sea-surface wave roughness due to surfactant films on near-surface turbulent wind are studied theoretically and experimentally. Here we suggest two practical schemes for calculating variations of wind velocity profiles near the water surface, the average short-wave roughness of which is varying in space and time when a film slick is present. The schemes are based on a generalized two-layer model of turbulent air flow over a rough surface and on the solution of the continuous model involving the equation for turbulent kinetic energy of the air flow. Wave tank studies of wind flow over wind waves in the presence of film slicks are described and compared with theory. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：118 / 128
页数：11
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