TARGAS-1 Operation Manual V. 1.02 159 support@ppsystems.com
is the correction for air temperature with
input by the user in ºC,
.
.
is the molar volume and Ideal Gas constant at STP,
is the chamber volume and soil surface area,
And the remaining terms are units conversions.
(1.11) The same equation in alternate units is
(mol m
s
) =
mol
mol s
×
1013
×
273
273 +
×
1 mol
22.414 L
×
m
m
×
10
L
m
Or to convert (g m
-2
hr
-1
) to (µmol m
-2
s
-1
) multiply
(g m
hr
) by 6.312.
References
Parkinson K.J. (1981). An improved method for measuring soil respiration in the field. Journal of Applied
Ecology, 18, 221-228.
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