Conference Proceedings

Canopy optical indices from infinite reflectance and canopy reflectance models for forest condition monitoring: application to hyperspectral CASI Data

PJ Zarco-Tejada, JR Miller, GH Mohammed, TL Noland, PH Sampson

International Geoscience and Remote Sensing Symposium (IGARSS) | Published : 1999

Abstract

This paper reports on progress made to link physiologically-based indicators to optical indices from hyperspectral remote sensing. This study is carried out on twelve sites of Acer saccharum M. in the Algoma Region, Ontario (Canada), where field measurements and hyperspectral CASI imagery have been collected in 1997 and 1998 deployments. Individual tree samples were collected at each site for biochemical analysis and measurement of leaf chlorophyll, chlorophyll fluorescence and carotenoid concentrations, as well as leaf reflectance and transmittance. Physiological indices and derivative analysis indices extracted from leaf spectral reflectance have been tested at canopy level using CASI data..

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