城市冠层湍流精细结构的研究

It is very important to study the urban boundary layer (UBL). Until now, scientists don not know much about the fine structure of turbulence in the lower part of UBL, i.e. urban canopy layer. In this project, we will use the advanced atmospheric turbulence measuring system and the newly developed chaos, fractal and wavelet transform theory to deeply study the fine structures of urban canopy layer turbulent flow. The final research results of the project will be expected to be useful to the study of land-air interaction, air pollution modeling and even the basic turbulence theory.

城市大气边界层研究具有十分重要的意义。目前人们对其底部称为“城市冠层”中的湍流结构还不甚了解。本项目利用先进的大气湍流观测仪器以及最近发展起来的混沌、分形和小波分析方法，对城市冠层湍流的细微结构进行实验和理论研究。所获得的结果对于地-气相互饔谩⒋笃廴纠┥⒌任侍獾难芯恳约耙话阃睦砺垩芯烤哂锌蒲Р慰技壑怠