RIVM report xxxxxx xxx
RIVM report xxxxxx xxx
RIVM report xxxxxx xxx
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page 100 of 142 <strong>RIVM</strong> <strong>report</strong> 773301 001 / NRP <strong>report</strong> 410200 051<br />
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Although the information of this project has been used to generate European emission inventories with<br />
high time and space resolution, it was not possible to receive sectoral time profiles aggregated to the<br />
country level. Nevertheless, many data sources are available as indicator for monthly variation. This<br />
provides a good sense for the variability of anthropogenic emissions. However, regarding monthly<br />
indicator data for specific economic sectors at country level, however, data are not so easily available, in<br />
particular with global coverage. In general one can say that for OECD countries more statistics are<br />
available than for non-OECD countries.<br />
In the remainder we will summarise data sources by presenting a selection of available seasonal profiles<br />
for the main anthropogenic emission sources: fossil fuel combustion, industrial production, agriculture<br />
and biomass burning. When using these datasets to compile time profiles on a global scale one should<br />
keep in mind that actual seasonality may differ from year to year, so when constructing an average<br />
profile one should preferably use multi-year datasets to average out these differences and to be able to<br />
estimate the uncertainty in these profiles when applying them for a specific year.<br />
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Based on <strong>report</strong>ed fossil fuel consumption data, supplemented by data on heating-degree days, Rotty<br />
(1987) analysed seasonal variation of fuel consumption in the 21 largest fuel consuming countries.<br />
Figure A.2.3 shows the difference for global total fuel consumption per fuel type. It clearly shows that<br />
gas is has a higher share in consumption for space heating than coal and oil. In Figure A.2.4 per fuel type<br />
the different seasonal pattern of six world regions are presented. These graphs illustrate clearly the<br />
opposite cycles of temperate regions in the Northern and Southern Hemisphere as well as the higher<br />
seasonality in temperate regions compared to tropical regions.
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