Developing spatially stratified N2O emission factors for Europe

Leip, A., Busto, M., & Winiwarter, W. ORCID: https://orcid.org/0000-0001-7131-1496 (2011). Developing spatially stratified N2O emission factors for Europe. Environmental Pollution 159 (11) 3223-3232. 10.1016/j.envpol.2010.11.024.

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Abstract

We investigate the possibility to replace the -- so-called -- Tier 1 IPCC approach to estimate soil N2O emissions with stratified emissions factors that take into account both N-input and the spatial variability of the environmental conditions within the countries of the European Union, using the DNDC-Europe model. Spatial variability in model simulations is high and corresponds to the variability reported in literature for field data. Our results indicate that (a) much of the observed variability in N2O fluxes reflects the response of soils to external conditions, (b) it is likely that national inventories tend to overestimate the uncertainties in their estimated direct N2O emissions from arable soils; (c) on average over Europe, the fertilizer-induced emissions (FIE) coincide with the IPCC factors, but they display large spatial variations. Therefore, at scales of individual countries or smaller, a stratified approach considering fertilizer type, soil characteristics and climatic parameters is preferable.

Item Type:	Article
Uncontrolled Keywords:	CAPRI; DNDC; Europe; GHG inventories; Soil N2O emissions; Stratification
Research Programs:	Air Quality & Greenhouse Gases (AIR) Atmospheric Pollution (APD) Mitigation of Air Pollution (MAG)
Bibliographic Reference:	Environmental Pollution; 159(11):3223-3232 (November 2011) (Published online 25 December 2010)
Depositing User:	IIASA Import
Date Deposited:	15 Jan 2016 08:45
Last Modified:	27 Aug 2021 17:21
URI:	https://pure.iiasa.ac.at/9535

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