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A new FAPAR retrieval model for continuous vegetation



Liu, Y. , Fan, W. , Xu, X. , & Chen, G. . (2013). A new FAPAR retrieval model for continuous vegetation.
Literature information
Type Of Reference CONF
Title A new FAPAR retrieval model for continuous vegetation
Authors Liu, Yuan| Fan, Wenjie| Xu, Xiru| Chen, Gaoxing|
Secondary Title Geoscience and Remote Sensing Symposium (IGARSS), 2013 IEEE International
Abstract The Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) is the fraction of incoming solar radiation that is absorbed by green vegetation in the spectral range from 400 nm to 700 nm. FAPAR reflects the energy absorption ability of vegetation canopy. It is a critical input in many land surface models, such as crop growth models, net primary productivity models, climate models and ecological models. Existing models for FAPAR retrieval are complex and difficult to retrieve, most of them cannot be used under cloudy weather. In this paper, a new quantitative FAPAR retrieval model considering the diffuse skylight and multiple scattering between canopy and background is introduced to retrieve FAPAR of vegetation canopy. The model was used to continuous vegetation and was validated by Monte Carlo (MC) simulation and field tests. The conclusion shows that the error is less than 0.32%.
Date 2013/07//
Year 2013
DOI 10.1109/IGARSS.2013.6723470
Database Provider IEEE Xplore
Start Page 3052
Keywords absorbed PAR fraction| Biological system modeling| climate models| continuous vegetation| crop growth models| diffuse skylight| ecological models| FAPAR| FAPAR retrieval model| geophysical signal processing| green vegetation| incoming solar radiation| land surface models| light scattering| MC simulation| multiple scattering| net primary productivity models| Photonics| photosynthesis| photosynthetically active radiation| re-collision probability| Reflectivity| Remote sensing| soil| solar radiation| sunlight| vegetation canopy energy absorption ability| vegetation mapping| wavelength 400 nm to 700 nm|
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