Comparison of two methods for measurement of CO2 emission during the transformation processes in peat

B. G. Ageev; E. A. Golovatskaya; T. V. Dement'eva; L. I. Inisheva; Yurii N. Ponomarev; V. A. Sapozhnikova

doi:10.1117/12.412010

29 December 2000 Comparison of two methods for measurement of CO₂ emission during the transformation processes in peat

B. G. Ageev, E. A. Golovatskaya, T. V. Dement'eva, L. I. Inisheva, Yurii N. Ponomarev, V. A. Sapozhnikova

Proceedings Volume 4341, Seventh International Symposium on Atmospheric and Ocean Optics; (2000) https://doi.org/10.1117/12.412010
Event: 7th International Symposium on Atmospheric and Ocean Optics, 2000, Tomsk, Russian Federation

Abstract

The problem of CO₂ balance is a basic in the biosphere study and in the prediction of consequences of the global climate change due to anthropogenous impacts. The growing mires are the unique ecosystems among the terrestrial biosystems capable to fix the atmospheric CO₂ for a long period. The CO₂ emission from peatlands into the atmosphere is caused by mineralization processes of organic substances taking place due to drainage. The quantity of carbon dioxide emission from the peatland or from the peat deposits surface is an integral indicator of the transforming processes intensity in the peat. Different physical-chemical methods are used in the CO₂-gas-analysis. The aim of this work is a comparison of the hemosorption and optoacoustic gas- analysis methods. The outlines of the methods and their characteristics is also presented. The intercalibration was carried out under maximum possible identical conditions of the experiment. The CO₂ concentration and CO₂ emission kinetics at mineralization process of peat were measured simultaneously by both methods. It was shown that the results are in good agreement.

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B. G. Ageev, E. A. Golovatskaya, T. V. Dement'eva, L. I. Inisheva, Yurii N. Ponomarev, and V. A. Sapozhnikova "Comparison of two methods for measurement of CO₂ emission during the transformation processes in peat", Proc. SPIE 4341, Seventh International Symposium on Atmospheric and Ocean Optics, (29 December 2000); https://doi.org/10.1117/12.412010

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KEYWORDS

Carbon dioxide

Chemisorption

Carbon monoxide

Ecosystems

Atmospheric physics

Carbon dioxide lasers

Climate change

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