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Study on the law of radiant directionality of row crops

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Abstract

The style of crops planting is frequently in row-structure, the row-structure style may result in big difference among the sunlit, shaded soil surface and foliage temperatures and cause pixel component to vary in azimuth orientation, these further lead to the change of radiant directionlity of row crops in the zenith and azimuth orientations. Since the row crops are often tackled as isotropic in the azimuth orientation based on continuous vegetation assumption, big errors will be brought about. In order to eliminate the errors, it is necessary to study the law of radiant directionality of the row crops. In this paper, Monte Carlo method has been employed to simulate the angular effects on radiation caused by row architecture parameters. The simulated results show that the parameters, for example, row height, row width, row interval between the neighbor rows and the leaf area index have significant influences on the radiant directionality, but the azimuth orientation ranks the first among the parameters.

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Authors and Affiliations

  1. Insitute of Remote Sensing and GIS, Peking University, 100871, Beijing, China

    Liangfu Chen, Jiali Zhuang & Xiru Xu

  2. Institute of Remote Sensing Applications, Chinese Academy of Sciences, 100101, Beijing, China

    Qinhuo Liu & Guoliang Tian

Authors
  1. Liangfu Chen
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  2. Jiali Zhuang
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  3. Qinhuo Liu
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  4. Xiru Xu
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  5. Guoliang Tian
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Correspondence to Liangfu Chen.

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Chen, L., Zhuang, J., Liu, Q. et al. Study on the law of radiant directionality of row crops. Sci. China Ser. E-Technol. Sci. 43 (Suppl 1), 70–82 (2000). https://doi.org/10.1007/BF02916581

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  • DOI: https://doi.org/10.1007/BF02916581

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