%0 Journal Article
%T Footprint Analysis of Turbulent Flux Measurement over Heterogeneous Surface<br>非均匀下垫面湍流通量观测的印痕分析
%A PENG Guliang
%A LIU Shaomin
%A CAI Xuhui and
%A <br>彭谷亮
%A 刘绍民
%A 蔡旭晖
%A 等
%J 大气科学
%D 2008
%I 
%X To test the applicability of the footprint model over complex surface,heat flux data measured from Beijing Xiao Tang Shan heterogeneous field experiment in May 2005 are used.The data from eddy covariance measurements and Large Aperture Scintillometer(LAS) are processed and analyzed by a footprint model,respectively.Because of heterogeneity,the measurement of eddy covariance method seems to be ambiguous,which contains turbulence information from other land covers.The LAS data have a problem of underestimation due to the blending height and 'source area' effect.After corrected by the footprint method,they are in good agreement.The results demonstrate that the footprint model is an effective and practical tool to solve the heterogeneous problem in the turbulence flux study.
%K footprint
%K heterogeneity
%K large aperture scintillometer
%K heat flux
%K eddy covariance<br>印痕分析
%K 非均匀下垫面
%K 大孔径闪烁仪(LAS)
%K 感热通量
%K 涡旋相关
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=28A2F569B2458C17&jid=46874A5A102033D774D00D819E91CD68&aid=6A5B3D8A794D94F88241CD1696D58F0D&yid=67289AFF6305E306&vid=9971A5E270697F23&iid=94C357A881DFC066&sid=941A3E905B9F2AD9&eid=A50445FB05D4B1A0&journal_id=1006-9895&journal_name=大气科学&referenced_num=4&reference_num=25