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This paper describes the physical and mathematical approach to design advanced vegetation indices optimized for new optical instruments, like VEGETATION, MEdium REsolution Imaging Spectrometed (MERIS) and Global Imager (GLI) and alternative methods to estimate vegetation parameters of a plant canopies. Specifically, the crucial issue of the dependency of the vegetation index with respect to changes in the spectral properties of the sensor, in the illumination and observing geometries is addressed, together with the atmospheric contamination problem. The derivation of the optimal vegetation index formulae for each instrument allows the comparison of their performances to that of other vegetation indices both from a theoretical and an experimental point of view.

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Authors: GOBRON N, JRC-Space Applications Institute, GVM, Ispra (IT);PINTY B, JRC-Space Applications Institute, GVM, Ispra (IT);M.VERSTRAETE M, JRC-Space Applications Institute, GVM, Ispra (IT);WIDLOWSKI J.L, JRC-Space Applications Institute, GVM, Ispra (IT)
Bibliographic Reference: An article published in: IEEE Transactions on Geoscience and Remote Sensing. Vol.38, No,6 (2000),pp.2489-2505
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