ISSN 1002-1027  CN 11-2952/G2

Acta scientiarum naturalium Universitatis Pekinensis

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A Flux Footprint Model for Large Aperture Scintillometer

PENG Guliang1,CAI Xuhui1,3,LIU Shaomin2   

  1. 1 Department of Environment Sciences, Peking University, Beijing, 100871; 2 State Key Laboratory of Remote Sensing Science, School of Geography, Beijing Normal University, Beijing, 100875; 3 Corresponding Author, E-mail: xhcai@pku.edu.cn
  • Received:2007-01-04 Online:2007-11-20 Published:2007-11-20

Abstract: The large aperture scintillometer (LAS) is a versatile instrument to measure area-average heat fluxes over heterogeneous surface. In order to analyzethe source area of LAS data, a new Eulerian analytical footprint model is developed. The parameters of the LAS footprint are discussed in detail and some outcome of the model application over a heterogeneous field experiment are shown. The good agreement of the results demonstrates that this footprint model is an effective and practical tool for complex surface study.