Green Leaf Area and Fraction of Photosynthetically Active Radiation Absorbed by Vegetation

  • Sangram Ganguly
  • Ramakrishna R. Nemani
  • Frederic Baret
  • Jian Bi
  • Marie Weiss
  • Gong Zhang
  • Cristina Milesi
  • Hirofumi Hashimoto
  • Arindam Samanta
  • Aleixandre Verger
  • Kumaresh Singh
  • Ranga B. Myneni
Part of the Springer Remote Sensing/Photogrammetry book series (SPRINGERREMO)


Leaf Area Index (LAI), the area of leaves per unit ground area, and the Fraction of Photosynthetically Active Radiation (FPAR; 400–700 nm) absorbed by vegetation are important biophysical variables for quantifying the cycling of water, carbon and nutrients through ecosystems. The LAI/FPAR products from the Advanced Very High Resolution Radiometer (AVHRR), the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor and the Système Pour l’Observation de la Terre (SPOT) sensor have a large Earth science community user base and the ease of access, provision of pixel quality and validation information have greatly aided the use of these products. Recent research efforts focusing on inter-sensor product consistencies have developed a foundation upon which mature algorithms and a validation framework can act synergistically to further refine the accuracy and precision of these existing long-term products. This chapter provides a brief overview of the recent progresses in LAI/FPAR estimation algorithms and resulting biophysical products from the AVHRR, MODIS, SPOT and Landsat data.


Normalize Difference Vegetation Index Leaf Area Index Advanced Very High Resolution Radiometer Advanced Very High Resolution Radiometer Vegetation Canopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Sangram Ganguly
    • 1
  • Ramakrishna R. Nemani
    • 3
  • Frederic Baret
    • 4
  • Jian Bi
    • 2
  • Marie Weiss
    • 4
  • Gong Zhang
    • 1
  • Cristina Milesi
    • 5
  • Hirofumi Hashimoto
    • 5
  • Arindam Samanta
    • 6
  • Aleixandre Verger
    • 4
  • Kumaresh Singh
    • 7
  • Ranga B. Myneni
    • 2
  1. 1.Bay Area Environmental Research Institute (BAERI)/NASA Ames Research CenterMoffett FieldUSA
  2. 2.Department of Earth and EnvironmentBoston UniversityBostonUSA
  3. 3.NASA Advanced Supercomputing DivisionMoffett FieldUSA
  4. 4.INRA-EMMAHAvignonFrance
  5. 5.Department of Science and Environmental PolicyCalifornia State University at Monterey Bay/NASA Ames Research CenterMoffett FieldUSA
  6. 6.Atmospheric and Environmental Research (AER) Inc.LexingtonUSA
  7. 7.Risk Management SolutionsNewarkUSA

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