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A national landfill methane budget for Sweden based on field measurements, and an evaluation of IPCC models Cover

A national landfill methane budget for Sweden based on field measurements, and an evaluation of IPCC models

Open Access
|Jan 2009

Abstract

Seven Swedish landfills were investigated from 2001 to 2003. On each landfill, ameasure of the total methane production was calculated from data on: (1) methane emissions (leakage); (2) methane oxidation and (3) from gas recovery.

Methane emissions were determined via a tracer gas (N2O) release-based remote sensing method. N2O and CH4 were measured with an Fourier Transform infrared detector at a distance of more than 1 kmdownwind from the landfills. Methane oxidation in the landfill covers was measured with the stable carbon isotope method. The efficiency in gas recovery systems proved to be highly variable, but on an average, 51% of the produced landfill gas was captured.

A first-order decay model, based on four fractions (waste from households and parks, sludges and industrial waste), showed that the use of a degradable organic carbon fraction (DOCf) value of 0.54, in accordance with the default value for DOCf of 0.50 in the latest IPCC model, gave an emission estimate similar to the official national reports.

Language: English
Page range: 424 - 435
Submitted on: Oct 8, 2007
Accepted on: Oct 30, 2008
Published on: Jan 1, 2009
Published by: Stockholm University Press
In partnership with: Paradigm Publishing Services

© 2009 Gunnar Börjesson, Jerker Samuelsson, Jeffrey Chanton, Rolf Adolfsson, Bo Galle, Bo H. Svensson, published by Stockholm University Press
This work is licensed under the Creative Commons Attribution 4.0 License.