Greenhouse impacts of anthropogenic CH4 and N2O emissions in Finland

Riitta Pipatti, Ilkka Savolainen, Jukka Sinisalo

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14 Citations (Scopus)

Abstract

The Finnish anthropogenic CH4 emissions in 1990 are estimated to be about 250 Gg, with an uncertainty range extending from 160 to 440 Gg. The most important sources are landfills and animal husbandry. The N2O emissions, which come mainly from agriculture and the nitric acid industry are about 20 Gg in 1990 (uncertainty range 10–30 Gg). The development of the emissions to the year 2010 is reviewed in two scenarios: the base and the reduction scenarios.

According to the base scenario, the Finnish CH4 emissions will decrease in the near future. Emissions from landfills, energy production, and transportation will decrease because of already decided and partly realized volume and technical changes in these sectors. The average reduction potential of 50%, as assumed in the reduction scenario, is considered achievable.

N2O emissions, on the other hand, are expected to increase as emissions from energy production and transportation will grow due to an increasing use of fluidized bed boilers and catalytic converters in cars. The average reduction potential of 50%, as assumed in the reduction scenario, is optimistic.

Anthropogenic CH4 and N2O emissions presently cause about 30% of the direct radiative forcing due to Finnish anthropogenic greenhouse gas emissions. This share would be even larger if the indirect impacts of CH4 were included. The contribution of CH4 can be controlled due to its relatively short atmospheric lifetime and due to the existing emission reduction potential. Nitrous oxide has a long atmospheric lifetime and its emission control possiblities are limited consequently, the greenhouse impact of N2O seems to be increasing even if the emissions were limited somehow.
Original languageEnglish
Pages (from-to)219-233
Number of pages15
JournalEnvironmental Management
Volume20
Issue number2
DOIs
Publication statusPublished - 1996
MoE publication typeA1 Journal article-refereed

Fingerprint

Greenhouses
Land fill
Catalytic converters
Emission control
Nitric acid
landfill
Gas emissions
Greenhouse gases
Fluidized beds
Agriculture
Boilers
Animals
Railroad cars
animal husbandry
emission control
radiative forcing
nitric acid
Oxides
nitrous oxide
automobile

Cite this

Pipatti, Riitta ; Savolainen, Ilkka ; Sinisalo, Jukka. / Greenhouse impacts of anthropogenic CH4 and N2O emissions in Finland. In: Environmental Management. 1996 ; Vol. 20, No. 2. pp. 219-233.
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abstract = "The Finnish anthropogenic CH4 emissions in 1990 are estimated to be about 250 Gg, with an uncertainty range extending from 160 to 440 Gg. The most important sources are landfills and animal husbandry. The N2O emissions, which come mainly from agriculture and the nitric acid industry are about 20 Gg in 1990 (uncertainty range 10–30 Gg). The development of the emissions to the year 2010 is reviewed in two scenarios: the base and the reduction scenarios.According to the base scenario, the Finnish CH4 emissions will decrease in the near future. Emissions from landfills, energy production, and transportation will decrease because of already decided and partly realized volume and technical changes in these sectors. The average reduction potential of 50{\%}, as assumed in the reduction scenario, is considered achievable.N2O emissions, on the other hand, are expected to increase as emissions from energy production and transportation will grow due to an increasing use of fluidized bed boilers and catalytic converters in cars. The average reduction potential of 50{\%}, as assumed in the reduction scenario, is optimistic.Anthropogenic CH4 and N2O emissions presently cause about 30{\%} of the direct radiative forcing due to Finnish anthropogenic greenhouse gas emissions. This share would be even larger if the indirect impacts of CH4 were included. The contribution of CH4 can be controlled due to its relatively short atmospheric lifetime and due to the existing emission reduction potential. Nitrous oxide has a long atmospheric lifetime and its emission control possiblities are limited consequently, the greenhouse impact of N2O seems to be increasing even if the emissions were limited somehow.",
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Greenhouse impacts of anthropogenic CH4 and N2O emissions in Finland. / Pipatti, Riitta; Savolainen, Ilkka; Sinisalo, Jukka.

In: Environmental Management, Vol. 20, No. 2, 1996, p. 219-233.

Research output: Contribution to journalArticleScientificpeer-review

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