The Feasibility of Using LAS Measurements of the Sensible Heat Flux from a Mixed Plantation in the Hilly Zone of the North China

doi:10.11867/j.issn.1001-8166.2010.11.1283

Advances in Earth Science ›› 2010, Vol. 25 ›› Issue (11): 1283-1290. doi: 10.11867/j.issn.1001-8166.2010.11.1283

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The Feasibility of Using LAS Measurements of the Sensible Heat Flux from a Mixed Plantation in the Hilly Zone of the North China

Zhang Jinsong, Meng Ping, Zheng Ning, Huang Hui, Gao Jun

Research Institute of Forestry, CAF; Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing 100091, China

Received:2010-03-16 Revised:2010-08-24 Online:2010-11-10 Published:2010-11-10

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Zhang Jinsong, Meng Ping, Zheng Ning, Huang Hui, Gao Jun. The Feasibility of Using LAS Measurements of the Sensible Heat Flux from a Mixed Plantation in the Hilly Zone of the North China[J]. Advances in Earth Science, 2010, 25(11): 1283-1290.

In this study, by use of the Large Aperture Scintillometer (LAS) method and the Eddy Covariance (EC) method respectively, the sensible heat flux under unstable stratification conditions was calculated over a mixed plantation in the hilly zone of the north China from May to September in 2009, which was called H_LAS and H_EC for short respectively. H_EC in the source area for LAS method (Hf_EC) was corrected and estimated with the application of footprint model. The result showed that the correlation coefficient between Hf_EC and H_LAS was 0.93. It proved the feasibility of using LAS measurements to estimate H over the mixed plantations in the hilly zone, based on the analysis of the footprint and source area.

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