Measurements of regional sensible heat flux over Mongolian grassland using large aperture scintillometer

被引：17

作者：

Asanuma, J. ^{[1
]}

Iemoto, K.

机构：

[1] Univ Tsukuba, Terrestrial Environm Res Ctr, Tsukuba, Ibaraki 3058572, Japan

[2] Univ Tsukuba, Masters Program Environm Sci, Tsukuba, Ibaraki, Japan

来源：

JOURNAL OF HYDROLOGY | 2007年 / 333卷 / 01期

基金：

日本科学技术振兴机构;

关键词：

RAISE; Mongolia; surface energy budget; regional surface flux; atmosphere-vegetation interaction;

D O I：

10.1016/j.jhydrol.2006.07.031

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper reports the scintiltometry of regional sensible heat flux over a semi-arid grassland in Mongolia. The structure parameter of refractive index measured by the scintillometer was used to compute regional sensible heat flux using the Monin-Obukhov similarity. A comparison with the eddy covariance measurements showed that they are comparable with each other. Detailed analyses suggest that difference between the sensible heat flux measured over different optical paths stems from the surface variability. Results of this study demonstrate the capability of scintiltometry to infer regional distribution of the surface sensible heat flux at the scale of kilometers over non-uniform surfaces. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：58 / 67

页数：10

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