European greenhouse gas fluxes from land use

the impact of expanding the use of dedicated bioenergy crops

Astley Francis St John Hastings, Hannes Bottcher, John Clifton-Brown, Richard Fuchs, Jonathan George Hillier, Edward Owen Jones, Michael Obersteiner, Mark Pogson, Mark Lee Andrew Richards, Pete Smith

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Bioenergy derived from vegetation, cycles carbon to and from the atmosphere using the chemical energy fixed by the plants by photosynthesis using solar energy. However bioenergy is not carbon neutral as energy is used and greenhouse gasses (GHG) are emitted in the process of growing bioenergy feeedstocks and processing them into a usable fuel, whether it is biomass or liquid fuel such as biodiesel or bioethanol. Using bio instead of fossil fuels it will replace greenhouse gas emissions from coal, oil and gas by those of the biofuel. To estimate the impact on European greenhouse gas fluxes of expanding the use of bioenergy it is necessary to quantify the difference between the GHG emissions associated with producing and using the biofuel and the fossil fuel it replaces and to take into account any emissions associated with the change from the original land use to that of growing the bioenergy feedstock. This will also involve estimating any displacement of food, fibre and timber production to other geographical areas. Here we report on a study of the GHG emissions from the potential increasing use of a variety of biofuels produced from feedstocks grown in the EU countries. The GHG emissions of the historical land use or the EU27 area have been modelled using ECOSSE on a 1 km grid to estimate the impact the agriculture intensification and land use change of the last 50 years and the associated crop yield gains. The excess land made available from the yield gains is considered to be available for use for bioenergy and the yields of potential bioenergy feedstocks are estimated from EUROSTATS data or modelled using the bioenergy ccrop growth model MISCANFOR. These yields are used to calculate the energy used and GHG emissions associated with the use of the resulting biofuel using a life cycle analysis and to estimate the organic matter input into the soil. The ECOSSE model is then used to estimate the soil carbon change and GHG emissions associated with the land use change to growing the bioenergy feedstock. This data has been used to quantify the net change in GHG emissions and the quantity of energy produced. We conclude that home grown bioenergy will be a modest contributor to both.
Original languageEnglish
Title of host publicationEGU General Assembly, 7-12 April 2013, Vienna, Austria. - Geophysical Research Abstracts 15 (2013)
Place of PublicationVienna, Austria
PublisherEGU
Number of pages1
ISBN (Electronic)ISSN 1029-7006
Publication statusPublished - 2013

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bioenergy
greenhouse gas
land use
crop
biofuel
fossil fuel
land use change
energy
life cycle analysis
forestry production
soil carbon
carbon cycle
crop yield
photosynthesis
coal
agriculture
organic matter
liquid
food
atmosphere

Cite this

Hastings, A. F. S. J., Bottcher, H., Clifton-Brown, J., Fuchs, R., Hillier, J. G., Jones, E. O., ... Smith, P. (2013). European greenhouse gas fluxes from land use: the impact of expanding the use of dedicated bioenergy crops. In EGU General Assembly, 7-12 April 2013, Vienna, Austria. - Geophysical Research Abstracts 15 (2013) Vienna, Austria: EGU.

European greenhouse gas fluxes from land use : the impact of expanding the use of dedicated bioenergy crops. / Hastings, Astley Francis St John; Bottcher, Hannes; Clifton-Brown, John; Fuchs, Richard; Hillier, Jonathan George; Jones, Edward Owen; Obersteiner, Michael; Pogson, Mark; Richards, Mark Lee Andrew; Smith, Pete.

EGU General Assembly, 7-12 April 2013, Vienna, Austria. - Geophysical Research Abstracts 15 (2013). Vienna, Austria : EGU, 2013.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hastings, AFSJ, Bottcher, H, Clifton-Brown, J, Fuchs, R, Hillier, JG, Jones, EO, Obersteiner, M, Pogson, M, Richards, MLA & Smith, P 2013, European greenhouse gas fluxes from land use: the impact of expanding the use of dedicated bioenergy crops. in EGU General Assembly, 7-12 April 2013, Vienna, Austria. - Geophysical Research Abstracts 15 (2013). EGU, Vienna, Austria.
Hastings AFSJ, Bottcher H, Clifton-Brown J, Fuchs R, Hillier JG, Jones EO et al. European greenhouse gas fluxes from land use: the impact of expanding the use of dedicated bioenergy crops. In EGU General Assembly, 7-12 April 2013, Vienna, Austria. - Geophysical Research Abstracts 15 (2013). Vienna, Austria: EGU. 2013
Hastings, Astley Francis St John ; Bottcher, Hannes ; Clifton-Brown, John ; Fuchs, Richard ; Hillier, Jonathan George ; Jones, Edward Owen ; Obersteiner, Michael ; Pogson, Mark ; Richards, Mark Lee Andrew ; Smith, Pete. / European greenhouse gas fluxes from land use : the impact of expanding the use of dedicated bioenergy crops. EGU General Assembly, 7-12 April 2013, Vienna, Austria. - Geophysical Research Abstracts 15 (2013). Vienna, Austria : EGU, 2013.
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AU - Hastings, Astley Francis St John

AU - Bottcher, Hannes

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AU - Fuchs, Richard

AU - Hillier, Jonathan George

AU - Jones, Edward Owen

AU - Obersteiner, Michael

AU - Pogson, Mark

AU - Richards, Mark Lee Andrew

AU - Smith, Pete

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N2 - Bioenergy derived from vegetation, cycles carbon to and from the atmosphere using the chemical energy fixed by the plants by photosynthesis using solar energy. However bioenergy is not carbon neutral as energy is used and greenhouse gasses (GHG) are emitted in the process of growing bioenergy feeedstocks and processing them into a usable fuel, whether it is biomass or liquid fuel such as biodiesel or bioethanol. Using bio instead of fossil fuels it will replace greenhouse gas emissions from coal, oil and gas by those of the biofuel. To estimate the impact on European greenhouse gas fluxes of expanding the use of bioenergy it is necessary to quantify the difference between the GHG emissions associated with producing and using the biofuel and the fossil fuel it replaces and to take into account any emissions associated with the change from the original land use to that of growing the bioenergy feedstock. This will also involve estimating any displacement of food, fibre and timber production to other geographical areas. Here we report on a study of the GHG emissions from the potential increasing use of a variety of biofuels produced from feedstocks grown in the EU countries. The GHG emissions of the historical land use or the EU27 area have been modelled using ECOSSE on a 1 km grid to estimate the impact the agriculture intensification and land use change of the last 50 years and the associated crop yield gains. The excess land made available from the yield gains is considered to be available for use for bioenergy and the yields of potential bioenergy feedstocks are estimated from EUROSTATS data or modelled using the bioenergy ccrop growth model MISCANFOR. These yields are used to calculate the energy used and GHG emissions associated with the use of the resulting biofuel using a life cycle analysis and to estimate the organic matter input into the soil. The ECOSSE model is then used to estimate the soil carbon change and GHG emissions associated with the land use change to growing the bioenergy feedstock. This data has been used to quantify the net change in GHG emissions and the quantity of energy produced. We conclude that home grown bioenergy will be a modest contributor to both.

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