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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First collided Intensity (1)<br />
The first collided intensity in downward direction Ω<br />
corresponds to the radiation scattered only once by leaves,<br />
but which has not interacted with the soil.<br />
•Downward source coming from the direct intensity,<br />
attenuated through the first k layers, and scattered by the<br />
leaves according to their optical properties in layer k:<br />
Q<br />
0<br />
↓<br />
(z<br />
k<br />
, Ω,<br />
Ω<br />
•Downward intensity<br />
I<br />
1<br />
↓<br />
(z<br />
k<br />
, Ω,<br />
Ω<br />
0<br />
)<br />
0<br />
)<br />
=<br />
1<br />
1<br />
Γ(<br />
Ω<br />
π<br />
0<br />
→ Ω)I<br />
s<br />
⎡<br />
⎢1<br />
−<br />
⎣<br />
G( Ω0)<br />
⎤<br />
λ ⎥<br />
| μ | ⎦<br />
⎡ −<br />
⎣<br />
k<br />
= ∑<br />
0<br />
Q (zi,<br />
Ω,<br />
Ω0)<br />
λ 1<br />
↓<br />
μ<br />
⎢<br />
i=<br />
1<br />
λ<br />
| μ<br />
<strong>Gobron</strong>, N et. al. (1997) ‘A semi-discrete model for the scattering of light by vegetation’, Journal of Geophysical<br />
Research, 102, 9431-9446.<br />
0<br />
k<br />
G( Ω)<br />
⎤<br />
|<br />
⎥ ⎦<br />
48<br />
k−i
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