CIRAS-3 Operation Manual V. 1.09
64
Photosynthesis Data
Ci
Sub-stomatal CO
2
concentration (µmol mol
-1
)
A
Assimilation/Respiration (µmol CO
2
m
-2
s
-1
)
gs
Stomatal conductance (mmol H
2
O m
-2
s
-1
)
E
Transpiration (mmol H
2
O m
-2
s
-1
)
VPD
Leaf to air vapor pressure deficit (kPa)
WUE
Photosynthetic water use efficiency (mmol CO
2
mol
-1
H
2
O)
Environmental Controls
CO2
CO
2
Reference (µmol mol
-1
)
H2O
H
2
O Reference (mb)
PARi
PAR internal (µmol m
-2
s
-1
)
Flow
Cuvette flow rate (cc min
-1
)
Tleaf
Temperature control method
Area
Leaf Area (cm
2
)
