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Development and application of a detailed inventory framework for estimating nitrous oxide and methane emissions from agriculture
Abstract A detailed inventory framework was developed to estimate nitrous oxide (N2O) and methane (CH4) emissions from UK agriculture using the IPCC approach. The inventory framework model was illustrated by combining relevant emission factors with agricultural census data for England, Wales, Scotland and Northern Ireland for the year 2000 to derive country-specific emission estimates which were summed to derive the UK total. The framework enables simple assessment to be made of the impact on national emissions of using different emission factors (EFs) (e.g. site- or local-specific compared with IPCC default factors). The framework was used to calculate the average annual emissions of nitrous oxide (N2O) and methane (CH4) for specific livestock and crops, and amounts lost through volatilisation, leaching and runoff for each country in the UK. The framework provides a simple, realistic and transparent approach to estimating national emissions and can easily be updated.
Research highlights ► A detailed inventory to estimate GHGs with much improvement of animal and crop categories. ► Flexible to use either the IPCC default, local-specific or more complex EFs from process-based models. ► Simple, realistic, transparent and global coverage. ► Illustrated using four country data but easy to be extended to higher resolution without any structural change. ► Easy to update and to integrate with GIS for spatial variation and map emissions pattern.
Development and application of a detailed inventory framework for estimating nitrous oxide and methane emissions from agriculture
Abstract A detailed inventory framework was developed to estimate nitrous oxide (N2O) and methane (CH4) emissions from UK agriculture using the IPCC approach. The inventory framework model was illustrated by combining relevant emission factors with agricultural census data for England, Wales, Scotland and Northern Ireland for the year 2000 to derive country-specific emission estimates which were summed to derive the UK total. The framework enables simple assessment to be made of the impact on national emissions of using different emission factors (EFs) (e.g. site- or local-specific compared with IPCC default factors). The framework was used to calculate the average annual emissions of nitrous oxide (N2O) and methane (CH4) for specific livestock and crops, and amounts lost through volatilisation, leaching and runoff for each country in the UK. The framework provides a simple, realistic and transparent approach to estimating national emissions and can easily be updated.
Research highlights ► A detailed inventory to estimate GHGs with much improvement of animal and crop categories. ► Flexible to use either the IPCC default, local-specific or more complex EFs from process-based models. ► Simple, realistic, transparent and global coverage. ► Illustrated using four country data but easy to be extended to higher resolution without any structural change. ► Easy to update and to integrate with GIS for spatial variation and map emissions pattern.
Development and application of a detailed inventory framework for estimating nitrous oxide and methane emissions from agriculture
Wang, Junye (author) / Cardenas, Laura M. (author) / Misselbrook, Tom H. (author) / Gilhespy, Sarah (author)
Atmospheric Environment ; 45 ; 1454-1463
2010-12-07
10 pages
Article (Journal)
Electronic Resource
English
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