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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Uncollided intensity (1)<br />
Downward uncollided intensity at level z k<br />
Where<br />
I<br />
0<br />
↓<br />
(z<br />
k<br />
, Ω<br />
0<br />
) =<br />
I<br />
s<br />
⎡<br />
⎢1<br />
− λ<br />
⎣<br />
0<br />
Is<br />
= I (z0,<br />
Ω0)<br />
δ(<br />
Ω − Ω0)<br />
G( Ω0)<br />
⎤<br />
⎥<br />
| μ | ⎦<br />
0<br />
k<br />
is the incoming<br />
collimated beam at the top of canopy<br />
Probability that a light ray within this beam is transmitted<br />
downward in the same direction through the first k layers<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 />
42
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