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page 82 of 142 RIVM report 773301 001 / NRP report 410200 051
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As examples of the capability of the new version some preliminary results have been presented of the
historical trend in global emissions of the new greenhouse gases and of the six gases included in the
Kyoto Protocol on the reduction of greenhouse gas emissions in the period 2008-2012 by so-called
Annex I countries [OECD and Economies In Transition (EIT)]. These emissions are either based on
global total activity data and subsequently allocated to individual countries or based on activity data
per country (e.g. aluminium production). Fig. 4.9 showed trends in HFCs, PFCs and SF 6 , per
application, whereas Fig. 2.1 presented the trend in global CO 2 -eq. emissions, by gas and by group of
countries. As one of the final products from Version 3.0 we will publish the trend in emissions of all
these gases 1990-1995 for all individual countries. Fig. 4.13 presents the trend in methane emissions
1970-1995 based on EDGAR 3.0 data. More information on data sources and methodologies used can
be found in Olivier (2001).
Another product of the database are the so-called EDGAR-HYDE V1.0 inventories, which
provides gridded and regional emissions of the direct and indirect greenhouse gases included in
EDGAR V2.0 for 1990, but now for the whole period 1890-1990 with time steps of 10 year (Van
Aardenne, 2001).
The trend features of the new EDGAR inventories are used for the annual Environmental Balance
of RIVM as well to calibrate new versions of the emission scenario modules of the IMAGE model.
We anticipate that the new EDGAR/GEIA inventories on direct greenhouse gases will be used as
scientific reference data sets for comparison of official country data. In addition, the EDGAR
software is capable of converting official emission figures per country into gridded emissions which
can then be tested or even verified by atmospheric model calculations, provided that there are
sufficient atmospheric concentration measurements to compare with. Here too, knowledge of the time
profiles of sources is relevant aspect that needs to be considered. Also, EDGAR data may be used as
defaults for more spatially detailed GEIA inventories.
A recent application is using EDGAR estimates for evaluating the options for flexible mechanisms
(i.e. emission trading) under the UNFCCC (e.g. as part of the Clean Development Mechanism (CDM)