Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China
Aerodynamic roughness length (zom) is an important parameter for reliably simulating surface fluxes. The parameter varies with wind speed, atmospheric stratification, terrain and other factors; however, variations of this parameter are not properly considered in most models, which may result in unce...
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Springer
2012-01-01
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Series: | Terrestrial, Atmospheric and Oceanic Sciences |
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http://tao.cgu.org.tw/images/attachments/v232p181.pdf
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author | Yanlian Zhou Xiaomin Sun Weimin Ju Xuefa Wen Dexin Guan |
author_facet | Yanlian Zhou Xiaomin Sun Weimin Ju Xuefa Wen Dexin Guan |
author_sort | Yanlian Zhou |
collection | DOAJ |
description | Aerodynamic roughness length (zom) is an important parameter for reliably simulating surface fluxes. The parameter varies with wind speed, atmospheric stratification, terrain and other factors; however, variations of this parameter are not properly considered in most models, which may result in uncertainties in simulating surface latent heat and sensible heat flux. There have been few studies of the diurnal and wind-direction dependent variations in zom. This study analyzes the seasonal, diurnal and wind-direction-dependent variations in zom calculated from the profile of meteorological data for two forest systems of China, and explores the mechanism underlying these variations. |
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issn | 1017-0839 2311-7680 |
language | English |
last_indexed | 2024-12-12T14:57:24Z |
publishDate | 2012-01-01 |
publisher | Springer |
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series | Terrestrial, Atmospheric and Oceanic Sciences |
spelling | doaj.art-aa85ed776a93421c8f415ae026fb6faf2022-12-22T00:20:53ZengSpringerTerrestrial, Atmospheric and Oceanic Sciences1017-08392311-76802012-01-0123218110.3319/TAO.2011.10.06.01(A)1061Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of ChinaYanlian ZhouXiaomin SunWeimin JuXuefa WenDexin GuanAerodynamic roughness length (zom) is an important parameter for reliably simulating surface fluxes. The parameter varies with wind speed, atmospheric stratification, terrain and other factors; however, variations of this parameter are not properly considered in most models, which may result in uncertainties in simulating surface latent heat and sensible heat flux. There have been few studies of the diurnal and wind-direction dependent variations in zom. This study analyzes the seasonal, diurnal and wind-direction-dependent variations in zom calculated from the profile of meteorological data for two forest systems of China, and explores the mechanism underlying these variations. http://tao.cgu.org.tw/images/attachments/v232p181.pdf Aerodynamic roughnessSeasonal variationDiurnal variationWind-direction-dependent variation |
spellingShingle | Yanlian Zhou Xiaomin Sun Weimin Ju Xuefa Wen Dexin Guan Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China Terrestrial, Atmospheric and Oceanic Sciences Aerodynamic roughness Seasonal variation Diurnal variation Wind-direction-dependent variation |
title | Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China |
title_full | Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China |
title_fullStr | Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China |
title_full_unstemmed | Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China |
title_short | Seasonal, Diurnal and Wind-Direction-Dependent Variations of the Aerodynamic Roughness Length in Two Typical Forest Ecosystems of China |
title_sort | seasonal diurnal and wind direction dependent variations of the aerodynamic roughness length in two typical forest ecosystems of china |
topic | Aerodynamic roughness Seasonal variation Diurnal variation Wind-direction-dependent variation |
url |
http://tao.cgu.org.tw/images/attachments/v232p181.pdf
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