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JRC-AL – Expert Meeting on Cat.4D reporting – 21/22.10.2004 EXPERT MEETING ON IMPROVING THE QUALITY FO GREENHOUSE GAS EMISSION INVENTORIES FOR CATEGORY.

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Presentation on theme: "JRC-AL – Expert Meeting on Cat.4D reporting – 21/22.10.2004 EXPERT MEETING ON IMPROVING THE QUALITY FO GREENHOUSE GAS EMISSION INVENTORIES FOR CATEGORY."— Presentation transcript:

1 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ EXPERT MEETING ON IMPROVING THE QUALITY FO GREENHOUSE GAS EMISSION INVENTORIES FOR CATEGORY 4D 21 to 22 October 2004 Joint Research Centre – BACKGROUND –

2 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THE START: 27 to 28 February 2003, EEA, Copenhagen Workshop on Inventories and Projections of Greenhouse Gas and Ammonia Emissions from Agriculture

3 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Working Groups I and II of the EU GHG Monitoring Mechanism Committee 27 to 28 February 2003, EEA, Copenhagen learn about the methods used for inventories and projections in the different Member States strengthen links between assessment of air pollution and greenhouse gas emissions by including also ammonia emissions make recommendations to improve transparency and completeness of reporting address uncertainty CO 2 emissions or removals (carbon sinks) from agriculture not included

4 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ RECOMMENDATIONS of the Workshop

5 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THE WORKSHOP RECOMMENDS … 1:That there should be further exchange of experiences between countries on the methods used for agricultural GHG emission inventory estimation. This should also be linked with the EAGER group under the UNECE-CLRTAP in relation to the N mass balance approach to increase consistency with ammonia emission inventories.

6 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THE WORKSHOP RECOMMENDS … 2:Statistical institutes should be strongly encouraged to adapt their agricultural survey systems to collect additional data specifically for preparing agricultural GHG and ammonia inventories. Gap analysis of the Activity Data for the calculation of European Greenhouse Gas Emissions from Agriculture It will be difficult to insert new characteristics into existing surveys

7 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THE WORKSHOP RECOMMENDS … 3:The EU input to the revision of the IPCC GHG inventory guidelines to start end of 2003 should be co-ordinated.

8 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THE WORKSHOP RECOMMENDS … 4:Research programmes should be made aware of the need of emission inventory compilers so that they can request research projects to ensure that their results are accessible and useful for improvements in the inventory.

9 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THIS MEETING FOCUSSES ON NITROUS OXIDE EMISSIONS FROM AGRICULTURAL SOILS …

10 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ biogenic emissions of CH 4 and N 2 O (agriculture) GHG inventories - level mitigation modeling measurements economy & policy Uncertainty for Emission Factors (Winiwarter & Rypdal, 2001) ErrorRandom Systematic CH 4 agric. soils100% % N 2 O agric. soils32-143% % N 2 O nat. soils50-200%50-836% Uncertainty for Emission Factors (Winiwarter & Rypdal, 2001) ErrorRandom Systematic CH 4 agric. soils100% % N 2 O agric. soils32-143% % N 2 O nat. soils50-200%50-836% Common Agricultural Policy Contribution of gases to reported anthropo- genic GHG emissions in agriculture, 2002 GHG inventories - uncertainty Contribution of gases to total reported anthropogenic GHG emissions, 2001

11 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Uncertainty of national GHG inventories ( UNCERTAINTIES EXPRESSED IN % OF TOTAL NATIONAL GHG EMISSIONS) TOTAL GHG (%) TOTAL CAT4.D (%) DIRECT (%) INDIRECT (%) Denmark (T1) Finland (T1) Finland (T2) France (T1) Greece (T1) Ireland (T1) Italy (T1) Spain (T1) Sweden (T1) The Netherlands (T1) United Kingdom (T1) Information source: NIRs 2003 and 2004

12 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Questionnaire on reporting in category 4D

13 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Questionnaire: good response AT atmospheric emissions (generally), UNECE expert group for ammonia abatement, agricultural experts BE DK Agronomist ES FI GHG inventory, soil emissions FR Agriculture IE GHG Inventories NL Various experts SE Agriculture/ Air pollution/Inventory UK N cycling in grassland systems, models of N2O emissions, Inventory Ques- tions Table 4.D Org. Fert Appl Crop Types efmaADDIT. INFO ATXX XXXX BEX DKXXXXXX ESXXX FIXXXX FRXXX IEXX NLX SEXXX UKXXXXX

14 Lacking information on crop- and soil specific EFs Farm Practices Surveys but also lack of statistical information

15 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Differences in the methodology applied

16 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Experts opinion Land use change ? Agricultural land converted into another land use Proposed methods N in roots * 0,0125 (by croptype) 0,5 kg N20-N/ha yr Modelling Proposed methods N in roots * 0,0125 (by croptype) 0,5 kg N20-N/ha yr Modelling

17 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Setting priorities … CLIMATE: Yes, but we would suggest to use smooth (not discrete) functions …0 Yes, provided that the input data … are accessible. It is difficult to draw out the effect of climate in published results since there is so much variation in other controlling variables. It would be expected, however, that very broad distinctions could be made. This is not useful as nitrous oxide emissions from soils are governed more by actual weather and fertilizer management than climate …

18 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Satisfaction with IPCC guidelines impact of climate, water, carbon N balance background emissions, … It is easy to criticise such a methodology for its generalised approach but given the restrictions on data availability etc. (especially in some countries) I believe it is a good starting point. IPCC is an elegant, universal applicable, transparant simple methodology. Agriculture is the main source of uncertainty in GHG inventories altogether

19 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Expert Meeting on Cat. 4D reporting …

20 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ OBJECTIVE OF THE MEETING To assess the current state of reporting of emissions from agricultural soils; To highlight gaps in the availability of data; To report on national activities for the generation of national emission factors and other parameters; To discuss the link between different source categories in agriculture and with the inventory for ammonia emissions; To discuss the use of Tier 3 approaches (process-based models); To make recommendations to improve comparability, transparency and completeness of reporting of N 2 O emissions from agricultural soils.

21 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ STRUCTURE OF THE MEETING Focus on critical issues Emission factors Organic soils Nitrogen balance Crop residues, Nitrogen fixation … Structure by topics General issues Direct emissions Indirect emissions Advanced methodologies

22 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Participation Attendance from 14 countries incl. 2 New Member States 6 organizations/projects Apologies … Hartmut Behrend (Climate Change Committee, DG ENV) Keith Smith (Chair N2O group 2006 Guidelines) Lorna Brown (IGER, UK, co-organizer) Rocio Lichte (UNFCCC secretariat)

23 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Change in agenda: Session 2.1. Uncertainty. Comparison of methodologies used for GHG inventories in agriculture in Mediterranean countries (L. Valli) Session 2.5 Other. Carbon sequestration in agriculture (G. Seufert)

24 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ Organizational …

25 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ LUNCH AT 12:30 (10 min walk) BUS departure at 18:00 to ANGERA WORKSHOP DINNER AT 19:30 AT VECCHIA ANGERA (2 min walk from Hotel dei Tigli) BUS departure tomorow morning: 8:30 at Hotel dei Tigli via Hotel Belvedere people in Hotel Belvedere will be picked up at ca. 19:15. Return 23:00

26 JRC-AL – Expert Meeting on Cat.4D reporting – 21/ THANK YOU FOR YOUR ATTENTION !


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