Designing an observation strategy for N2O

Freibauer, A.

doi:10.1007/978-0-387-76570-9_8

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Designing an observation strategy for N₂O

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Freibauer, A.
Department Biogeochemical Processes, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society;

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Citation

Freibauer, A. (2008). Designing an observation strategy for N₂O. In A. J. Dolman, A. Freibauer, & R. Valentini (Eds.), The continental-scale greenhouse gas balance of europe (pp. 135-151). New York [u.a.]: Springer.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-D66E-5

Abstract

Nitrous oxide (N₂O) is a powerful greenhouse gas (GHG) with a global warming potential (GWP) of 296 in relation to CO₂ (IPCC 2001). In the context of the United Nations Framework Convention on Climate Change (UNFCCC), a GWP value of 310 is used (IPCC 1996). For easy comparison, we express N₂O fluxes in units of nitrogen (N) and in CO₂-carbon equivalents (Ceq), applying the politically relevant GWP of 310 (Eq. 8.1). N₂O is also involved in the depletion of the stratospheric ozone layer. This chapter will give an overview of the present N₂O emissions in Europe, and then focus on the major source, the soilborne N₂O emissions. The spatio-temporal variation of soil N₂O fluxes and underlying biogoechemical processes will be described, as well as approaches to observe and quantify N₂O fluxes, associated uncertainties and ways towards a systematic operational N₂O monitoring. In the latter part, N₂O emissions from other sources than soils will be included.