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Naturwissenschaften. 2000 Apr;87(4):188-92.

Intramolecular stable isotope ratios of N2O in the tropical swamp forest in Thailand.

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Center for Ecological Research, Kyoto University, Otsu., Japan.


The dry-wet cycle is a common climatic phenomenon in the tropical regions of monsoon-affected Asia. An intermittent increase in N2O was clearly observed in the Bang Nara River, with a tropical swamp catchment at the beginning of rainy season of November 1997. The intramolecular distribution of isotopes clearly demonstrated that nitrification is the major process for the production of N2O. Using stable isotope data, the production mechanism of N2O in the study areas was found to vary in time and space with changes in the redox boundary along the water flow.

[Indexed for MEDLINE]

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