Vegetation Radiative Transfer Modelling (Nadine Gobron) - PEER
Vegetation Radiative Transfer Modelling (Nadine Gobron) - PEER
Vegetation Radiative Transfer Modelling (Nadine Gobron) - PEER
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<strong>Vegetation</strong> ‘Optical Depth’<br />
• Leaf Area Index (LAI) is a quantitative<br />
measure of the amount of live green leaf<br />
material present in the canopy per unit ground<br />
surface.<br />
• It is defined as the total one-sided area of all<br />
leaves in the canopy within a defined region.<br />
N N<br />
LAI = ∑ λ ∑ i = niai<br />
i=<br />
1 i=<br />
1<br />
N = # of layers<br />
a i = leaf surface<br />
n i = # leaves /m2<br />
<strong>Gobron</strong>, N et. al. (1997) ‘A semi-discrete model for the scattering of light by vegetation’, Journal of Geophysical Research,<br />
102, 9431-9446.<br />
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