Simulation of vertical wind profile under neutral conditions

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	Simulation of vertical wind profile under neutral conditions
	Wang W.; Yu Q.
	2007
关键词	Atmospheric movements Computer simulation Meteorological instruments Topography Velocity Velocity measurement Weather satellites
英文摘要	After analysing formulations of the horizontal wind velocity above a non-uniform underlying surface, it is found that the mean height of roughness elements, fractional vegetation cover and leaf area index are the most essential parameters of vertical wind profile under neutral conditions. By using Landsat-5 data, every-10-days observed data in the field, the every-10-days Normalized Difference Vegetation Index (NDVI) data from NOAA-14 meteorological satellite, 1: 10 000 land-use data, and 1: 10 000 topographical data, the mean height, leaf area index and fractional vegetation cover of wheat at Yucheng Integrated Agricultural Experiment Station are simulated as functions of NDVI. Then, hourly horizontal wind velocity at a height of 4 m during the period from 21:05 on 5 March 2000 to 7:05 on 24 May 2000 is calculated, for which hourly observed horizontal wind velocity at a height of 2 m is first used to simulate the wheat parameter of the dimensionless constant. The results show that the simulated velocity is almost identical to the observation velocity at a height of 4 m.
出处	International Journal of Remote Sensing
卷	28 期:10 页:2207-2219
收录类别	EI
语种	英语
内容类型	EI期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/24402]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Wang W.,Yu Q.. Simulation of vertical wind profile under neutral conditions. 2007.