Исследование прогресса модели дистанционного зондирования двунаправленного отражения горного растительного покрова

  • role: First author第一作者
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China

  • Email:weikexin231@mails.ucas.ac.cn
  • Introduction:E-mail weikexin231@mails.ucas.ac.cn
WEI Kexin12,  
  • role: Corresponding author通信作者
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China

  • Email:wenjg@aircas.ac.cn
  • Introduction:E-mail wenjg@aircas.ac.cn
WEN Jianguang12*,  
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

YOU Dongqin1,  
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

TANG Yong1,  
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China

ZHAO Congcong12,  
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China

LIU Qinhuo12,  
  • Affiliation:

    National Engineering Laboratory for Remote Sensing Satellite Applications and State Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Beijing 100101, China

    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China

XIAO Qing12

реферат

Функция двунаправленного распределения отражательной способности BRDF (Bidirectional Reflectance Distribution Function) является важной функцией для характеристики двунаправленных отражательных свойств растительного покрова. Горный рельеф является одним из ключевых факторов, влияющих на функцию двунаправленного распределения отражательной способности. В Китае широко распространены горные районы, что требует расширения исследований механистических моделей двунаправленной отражательной способности растительного покрова с плоских однородных поверхностей на сложные горные поверхности. Модель дистанционного зондирования двунаправленного отражения горного растительного покрова является основой для понимания механизмов влияния сложного рельефа на характеристики двунаправленного отражения и важным условием для обратного извлечения ключевых параметров горной поверхности. В зависимости от масштабов моделирования дистанционного зондирования, современные модели двунаправленного отражения горного растительного покрова включают механистические модели для одноплановых и сложных многоугольных склонов. В статье сначала рассматривается развитие определения двунаправленного отражения от плоской поверхности растительного покрова к определению для горного рельефа, а затем обзор основных достижений текущих механистических моделей на двух масштабах: одноплановый склон и сложный склон. На масштабе однопланового склона модели сосредоточены на механизмах влияния рельефа на процессы передачи излучения в кроне; на масштабе сложного склона модели также учитывают взаимное затенение и рассеянное взаимодействие мелких субпиксельных склонов и закладывают основы интегрированной модели двунаправленного отражения для одноплановых и сложных склонов через эквивалентную поверхность склона. В заключение статья предлагает перспективы развития по трем направлениям: моделирование двунаправленного отражения в горах с учетом смешанных характеристик почвенно-растительного покрова, многошкальные модели двунаправленного отражения для сопряжения поверхность-атмосфера гор, а также методы многоуглового 3D наблюдения и валидации горных районов, что позволит создать высокоточные механистические модели наблюдения двунаправленного отражения растительности и обеспечить теоретическую поддержку количественному дистанционному зондированию и мониторингу горных районов.

ключеви́че слова́

анизотропная отражательная способность;BRDF;сложный рельеф;одноплановый склон;сложный склон

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