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Denmark's National Inventory Report 2005 - Submitted under the ...

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Bunkers<br />

The most important emissions from bunker fuel use (fuel use for international transport) are SO , 2<br />

NO and CO (and TSP: not shown). However, compared to <strong>the</strong> Danish national emission total (all<br />

X 2<br />

sources) <strong>the</strong> greenhouse gas emissions from bunkers are small. The bunker emission totals are<br />

shown in Table 3.21 for 2003, split into sea transport and civil aviation. All emission figures in<br />

time-series 1985-2003 are given in Annex 3.B.10 (CRF format). In Annex 3.B.9 <strong>the</strong> emissions are<br />

also given in CollectER format for <strong>the</strong> years 1990 and 2003.<br />

Table 3.21 Emissions in 2003 for international transport and national totals<br />

CRF sector SO2 NOX NMVOC CH4 CO CO2 N2O<br />

[tons] [tons] [tons] [tons] [tons] [ktons] [tons]<br />

Navigation int. (1A3d) 44114 85761 2294 71 7294 3130 198<br />

Civil Aviation int. (1A3a) 70 9288 405 42 1684 2188 76<br />

International total 44183 95049 2699 113 8978 5318 274<br />

The differences in emissions between navigation and civil aviation are much larger than differences<br />

in fuel use (and derived CO 2 emissions) and display a poor emission performance for international<br />

sea transport. In broad terms <strong>the</strong> emission trends shown in Figure 3.45 are similar to <strong>the</strong><br />

fuel use development. Minor differences occur for navigation (SO 2 , NO X and CO 2 ) due to shifting<br />

amounts of marine diesel and residual oil, and for civil aviation (NO X ) due to yearly variations in<br />

LTO/aircraft type (earlier than 2001) and city-pair (2001 onwards) statistics.<br />

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Figure 3.45 CO 2 , SO 2 , NO X and TSP emissions for international transport<br />

1985-2003<br />

3.3.2 Methodological issues<br />

The description of methodologies and references for <strong>the</strong> transport part of <strong>the</strong> Danish inventory is<br />

given in two sections; one for road transport and one for <strong>the</strong> o<strong>the</strong>r mobile sources.<br />

91

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