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| Titel |
The municipal solid waste landfill as a source of ozone-depleting substances in the United States and United Kingdom |
| VerfasserIn |
E. L. Hodson, D. Martin, R. G. Prinn |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 10, no. 4 ; Nr. 10, no. 4 (2010-02-19), S.1899-1910 |
| Datensatznummer |
250008123
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| Publikation (Nr.) |
 copernicus.org/acp-10-1899-2010.pdf |
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| Zusammenfassung |
| This study provides observation-based national estimates of CFC-11, CFC-12,
CFC-113, and 1,1,1-trichloroethane emissions for the United States (US) and
United Kingdom (UK) from municipal solid waste (MSW) landfills. The scarcity
of national estimates has lead to the assumption that a significant fraction
of the lingering ozone-depleting substance (ODS) emissions, which have been
detected in industrialized countries, could be emitted from landfills.
Spatial coverage was achieved through sampling at seven landfills in
Massachusetts and through data provided by nine UK landfills. Linear least
square regressions of recovered ODS vs. CH4 were used in combination
with national estimates of landfill CH4 emissions to estimate 2006
national US and UK ODS landfill emissions. The ODS landfill emission
estimates were then compared to recent estimates of total US and UK ODS
emissions. US ODS landfill emissions are 0.4%–1% (0.006–0.09 Gg/year)
of total US emissions. UK ODS landfill emission estimates are 1%
(0.008 Gg/year) and 6% (0.03 Gg/year) of total UK CFC-11 and CFC-12
emissions, respectively. This indicates that landfills are only a minor
source of lingering ODS emissions in the US, but may be more significant for
CFC-12 emissions in the UK. The implication is that the majority of current
ODS emissions in industrialized countries is likely coming from equipment
still in use. |
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