References - PP Systems TARGAS-1 Operation Manuals

* Detected by IRGAs, temperature and pressure corrected, effects of foreign gas broadening (water vapor
effects) on measurement corrected.
Physical Constants
λ
Symbol Parameter
M
a Latent heat of vaporization of water
C
p Molecular mass of air
σ
Specific heat at constant pressure
Stefan Boltzmann constant

References

Parkinson, K.J. 1983. Porometry in S.E.B. Symposium of Instrumentation for Environmental Physiology.
Cambridge University Press.
Buck, A.L. 1981. New equations for computing vapour pressure and enhancement factor. J. Appl.
Meteorol., Vol. 20:1527-1532.
von Caemmerer, S. and G.D. Farquhar 1981. Some relationships between the biochemistry of
photosynthesis and the gas exchange of leaves. Planta, Vol. 153:376-387.
TARGAS-1 Operation Manual V. 1.02
Value
45064.3 - (T
28.97
1.012 kJ kg
5.6704 x 10
90
-1
x 42.9) J mol
c
-1 -1
K
-8 -2 -4
W m K
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