Stable Isotope Geochemistry


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from mhs ( []) by (AIX4.2/UCB 8.7/8.7) with ESMTP id DAA13202 for <[log in to unmask]>; Thu, 13 Feb 1997 03:44:01 -0500 (EST) from GEOG1.SWAN.AC.UK (actually host geog1) by mhs with SMTP (PP); Thu, 13 Feb 1997 08:40:52 +0000 from GEOG1/MERCURY by GEOG1.SWAN.AC.UK (Mercury 1.12); Thu, 13 Feb 97 8:48:07 GMT0BST from MERCURY by GEOG1 (Mercury 1.12); Thu, 13 Feb 97 8:47:22 GMT0BST
FRANK PAWELLEK <[log in to unmask]>
Thu, 13 Feb 1997 08:47:16 GMT0BST
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Dear Kazushi Takahashi,

some useful references for trapping of CO2 from soils for isotope 
ratio measurements are:

J. I. Freijer; W. Bouten (1991) A comparison of field methods for 
measuring soil carbon dioxide evolution: experiments and simulation.
Plant and Soil, vol. 135, pp. 133 - 142.

G. R. Davidson (1995) The stable isotopic composition and measurement 
of carbon in soil CO2. Geochim. Cosmochim. Acta, vol. 59 no. 12, pp. 
2485 - 2489.

P. Fritz; A. A. Mozeto; E. J. Reardon (1985) Practical considerations 
on carbon isotope studies on soil carbon dioxide. Chem. Geol., vol. 
58, pp. 89 - 95.

T. E. Cerling; D. K. Solomon; J. Quade; J. R. Bowman (1991) On the 
isotopic composition of carbon in soil carbon dioxide. Geochim. 
Cosmochim. Acta, vol. 55, pp. 3403 - 3405.

Some of these deal with trapping of CO2 emitted from soils, others 
with measurement of within-soil CO2. Freijer & Bouten (1991) is not 
about isotope ratio but exact concentration measurements. It 
gives a good overview and comparison of several methods for trapping 
emitted CO2 quantitatively.

Frank Pawellek

Frank Pawellek
Stable Isotope Laboratory
Department of Geography
University of Wales, Swansea
Singleton Park
Swansea SA2 8PP
Wales / GB

Tel. +44 1792 295148
Fax. +44 1792 205556
email [log in to unmask]