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Article Dans Une Revue Hydrology and Earth System Sciences Discussions Année : 2002

Nitrous oxide emission from a range of land uses across Europe

Résumé

The results of a literature study examining quantitative estimates of N2O emission rates are presented for a range of land-uses across Europe. The analysis shows that the highest N2O emission rates are for agricultural lands compared to forests and grasslands. The main factors regulating these rates are available mineral nitrogen, soil temperature, soil water content and the available labile organic compounds. These controls operate across different time-scales, all must exceed a certain threshold for N2O emission to occur. The results support the need for an emission factor function of land-use and climate within models describing nitrogen dynamics in catchments. This would allow the assessment of the net N2O emission within catchments in terms of current levels and potential changes associated with climate variability, climate change and land use change.

Keywords: nitrous oxide, soil water content, inorganic N, soil temperature, ecosystems, land-use management, soil type

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Dates et versions

hal-00304665 , version 1 (18-06-2008)

Identifiants

  • HAL Id : hal-00304665 , version 1

Citer

S. E. Machefert, N. B. Dise, K. W. T. Goulding, P.G. Whitehead. Nitrous oxide emission from a range of land uses across Europe. Hydrology and Earth System Sciences Discussions, 2002, 6 (3), pp.325-338. ⟨hal-00304665⟩

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