1. Inventory Management and Archiving Swiss System/Procedures Paul Filliger Swiss Federal Agency for the Environment, Forests and Landscape Economics and Climate Section CH-3003 Berne (paul.filliger@buwal.admin.ch) UNFCCC Workshop on National Systems, 11-12 April 2005, Bonn

2. Overview Today’s inventory management system and problems Future inventory management system Design, data collection, preparation, import Emission calculation, uncertainties Reports, History of data handling Documentation / Archiving Data, methods, decisions/reasons Remaining problems / Conclusion

3. Today‘s Inventory Management System EXCEL datasheets

4. Internal Greenhouse Gas Files Energy Consump. Emissions Emission factors Comments IPCC categories relevant cells linked to CRF

5. Advantage of old system Simple and stupid, and it works Problems System has grown to a vast, almost un-manageable size (>100 tables, thousands of links) Modifications possible, but very error sensitive Yearly up-date is hard work Knowledge about structure is concentrated to the developer’s head

6. EMISDatabase UNFCCC CRF Tables UNECE/ EMEP national Require- ments Reporting ObligationsExpert Information Energy Transport Industry Agriculture Waste MESAP Information System ExcelImporterExcelAnalystCalQlator Design of future Inventory Management System ACCESS

7. Data – Collection 1 Input derived from Data surveys Emission measurements Calculations and modeling Literature studies and assumptions Data compilation per source category

8. Data – Collection 2 Compilation files includes List of treated air pollutants (climate + air) Definitions and description of model / calculation Time series of activity data (incl. projections) Emission factors References

9. Data preparation Definition of import format Automatic plausibility checks Unit conversion (SI) Documentation

10. EMISDatabase Data import in System User Defined Data Views Automatic import or copy/paste User-guided plausibility checks

11. EMISDatabase Emission Calculation Activity rate · Emission Factor Equation editor Visualization of calculation result

12. Implementation of uncertainty information

13. EMISDatabase Compile Reports MS Excel Environment Hot-Links to Database Shift inventory year Data link to former database versions for recalculation

14. History of Data handling

15. Archiving of data Inventory database integrated in governmental data processing system (closed environment with high security demands) Backups and security on high standard (shadowed disks, daily backups, two different servers at two different locations, daily update of virus software etc.) Archiving of data is not a problem

16. Archiving/Documentation of methods Two pillar strategy: 1) All methods should be documented (or at least referenced) in the MESAP information system i) through documentation in compilation files ii) through calculation procedures in the CalQlator 2)A comprehensive (reader friendly) overview is given in the National Inventory Report (NIR) (Annexes for details)

17. Archiving of background information (incl. decisions/reasons) Includes all “soft” data, which are indirectly linked to data in EMIS or NIR, e.g. - Annual reports from industry (activity data) - Reports about methods (referenced in EMIS, NIR) - Reasons of selection of methods, activity data - Documentation of decisions made during inventory preparation

18. Remaining problems Archiving of background information, mainly decisions / reasons Inclusion of LULUCF data in EMIS Land use change data is different in structure from emission data Inventory preparation and production will remain a step by step improving process which will (probably) never find the final top-level product. Pragmatic, country-adapted solutions are needed. Conclusion