Thermal valley inversion impact on the dispersion of a passive pollutant in a complex mountainous area

被引：30

作者：

Anquetin, S

Guilbaud, C

Chollet, JP

机构：

[1] Univ Grenoble 1, Lab Etud Transports Hydrol Environm, INPG, IRD,CNRS, F-38041 Grenoble, France

[2] Univ Grenoble 1, CNRS, INPG, Lab Ecoulements Geophys & Ind, F-38041 Grenoble 9, France

来源：

ATMOSPHERIC ENVIRONMENT | 1999年 / 33卷 / 24-25期

关键词：

large eddy simulation; valley inversion; diurnal cycle dispersion; passive tracer;

D O I：

10.1016/S1352-2310(99)00137-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This contribution deals with the large eddy simulations of a complete diurnal cycle of atmospheric flow within a schematic deep valley for two seasons (i.e. winter and summer). The scale of interest is characteristic of an urban site located in a complex area, with special focus on low wind conditions. The results of the numerical simulations describe the influence of the season on the mechanisms responsible for the formation and the destruction of the inversion layer, and its impact on pollutant trapping within the valley. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：3953 / 3959

页数：7

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