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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Hot-spot Effects<br />
Extinction coefficient is modified adding hot-spot<br />
scale factor:<br />
σ e (z, Ω, Ω 0 ) = Λ(z) · G(Ω)· O(z, Ω, Ω 0 )<br />
Ω 0<br />
Ω = Ω 0<br />
Ω<br />
Turbid canopy representation: 1-D<br />
-90 -45 0 45 90<br />
observation zenith angle [degree]<br />
illuminated leaf<br />
Verstraete, M. M et. al. (1990) 'A physical model of the bidirectional reflectance of vegetation canopies; Part 1: Theory', Journal of<br />
Geophysical Research, 95, 11,755-11,765.<br />
<strong>Gobron</strong>, N et. al. (1997) ‘A semi-discrete model for the scattering of light by vegetation’, Journal of Geophysical Research, 102, 40<br />
9431-9446.<br />
Bi-directional Reflectance Factor (λ= Red)<br />
0.08<br />
0.06<br />
0.04<br />
0.02<br />
0.00<br />
1-D’<br />
1-D