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Specularly modified vegetation indices to estimate photosynthetic activity (1993)

Rondeaux, G. ; Vanderbilt, V. C.

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Publication Date: 2011-08-24

Description: The hypothesis tested was that some part of the ecosystem-dependent variability of vegetation indices was attributable to the effects of light specularly reflected by leaves. 'Minus specular' indices were defined excluding effects of specular light which contains no cellular pigment information. Results, both empirical and theoretical, show that the 'minus specular' indices, when compared to the traditional vegetation indices, potentially provide better estimates of the photosynthetic activity within a canopy - and therefore canopy primary production - specifically as a function of sun and view angles.

Keywords: EARTH RESOURCES AND REMOTE SENSING

Type: International Journal of Remote Sensing (ISSN 0143-1161); 14; 9; p. 1815-1823.

Format: text

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