Leaf Porometer Operator’s Manual
6. Leaf Porometer Theory
58
The parameters listed above represent the following:
C
leaf
The mole fraction of vapor inside the leaf
C
1
The mole fraction of vapor at node 1
C
2
The mole fraction of vapor at node 2
g
s
Stomatal conductance of the leaf surface
gd
1
Vapor conductance of the diffusion path between
leaf surface and node 1
gd
2
Vapor conductance of the diffusion path between
node 1 and node 2
d
1
Distance between the leaf surface and the first
humidity sensor
d
2
Distance between the two humidity sensors
[
]
)
(
)
(
1
ˆ
2
2
1
1
2
a
s
r
a
s
r
atm
vapor
vapor
T
e
h
T
e
h
P
d
D
F
−
=
ρ
