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Estimation of chlorophyll content in Eucalyptus globulus foliage with the leaf reflectance model PROSPECT


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Barry, KM, Newnham, G and Stone, C 2009 , 'Estimation of chlorophyll content in Eucalyptus globulus foliage with the leaf reflectance model PROSPECT' , Agricultural and Forest Meteorology, vol. 149 , pp. 1209-1213 , doi: 10.1016/j.agrformet.2009.01.005.

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This communication presents the performance of the PROSPECT leaf optical model to derive chlorophyll
content (Cab) estimates from reflectance and transmittance spectra of Eucalyptus globulus foliage.
Estimates were compared to measured chlorophyll of 100% acetone extractions. The analysis showed
that recent modifications to the absorption coefficients used in the PROSPECT model resulted in
improved estimates of chlorophyll for both adult and juvenile leaves. Results were better for adult leaves,
with estimates within 5 mg cm-2 for the juvenile data set and 3 mg cm-2 for adult leaves. Accurate
estimates of canopy chlorophyll content in eucalypt plantations through the numerical inversion of leaflevel
radiative transfer (RT) models such as PROSPECT coupled to canopy RT models would improve our
ability to assess and monitor eucalypt plantation growth, health and condition.

Item Type: Article
Authors/Creators:Barry, KM and Newnham, G and Stone, C
Journal or Publication Title: Agricultural and Forest Meteorology
DOI / ID Number: 10.1016/j.agrformet.2009.01.005
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