A Preliminary Study of the Validation of Land Surface Models with Large Aperture Scintillometer Data
Received date: 2010-03-16
Revised date: 2010-07-14
Online published: 2010-11-10
The application of large aperture scintillometer observations to the validation of land surface models has important significances in better understanding and describing the influences of land surface processes on climate change. With observational data from stations, field survey data, and remote sensing data, the land surface processes of Miyun and Arou, two typical flux observation stations in northern China, were simulated by SiB2 model at the spatial scale of 1km2. The simulation was validated by the sensible heat fluxes obtained by Large Aperture Scintillometer (LAS) and Eddy Covariance measurement (EC). The results showed that: ①SiB2 has given a good simulation of the sensible heat flux as well as its diurnal variation and seasonal variation; ②The validation of large scale simulation by LAS can avoid the disadvantage of EC, such as energy disclosure and spatial scale differences with model simulation, and could give better results.
Key words： SiB2; Large aperture scintillometer; Eddy covariance; Model validation
Li Yuan, Sun Rui, Liu Shaomin, Xu Ziwei, Bai Jie . A Preliminary Study of the Validation of Land Surface Models with Large Aperture Scintillometer Data[J]. Advances in Earth Science, 2010 , 25(11) : 1237 -1247 . DOI: 10.11867/j.issn.1001-8166.2010.11.1237
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