Country allocation labels
The following codes are used in the country allocation plots to denote a country:
| code | country |
| AUT | Austria |
| BEL | Belgium |
| BGR | Bulgaria |
| CHE | Switzerland |
| CZE | Czech Republic |
| DEE | Germany |
| DNK | Denmark |
| EST | Estonia |
| GRC | Greece |
| ESP | Spain |
| FIN | Finland |
| FRA | France |
| HRV | Croatia |
| HUN | Hungary |
| IRL | Ireland |
| ISL | Iceland |
| ITA | Italy |
| LTU | Lithuania |
| LVA | Latvia |
| NLD | Netherlands |
| NOR | Norway |
| POL | Poland |
| PRT | Portugal |
| ROU | Romania |
| SWE | Sweden |
| SVN | Slovenia |
| SVK | Slovakia |
| GBR | Great Britain |
| TUR | Turkey |
| UKR | Ukraine |
| BLR | Belarus |
| LUX | Luxemburg |
| CYP | Cyprus |
| MLT | Malta |
| MNE | Montenegro |
| YUG | Yugoslavia |
| MKD | FYR Macedonia |
| BIH | Bosnia and Herzegovina |
| XKX | Kosovo |
| ALB | Albania |
| RUS | Russia |
| GRL | Greenland |
In addition, also the following non-country labels are used:
| SEA | International shipping on seas |
| OTHER | Contribution from countries that did not get their own land code, including e.g. Kazachstan, Georgie, etc. |
| Natural | Natural origin, e.g. sea salt, mineral dust, NOx emissions from soils, and forest fires |
| Boundary | Origin outside the model domain (i.e. other continents), includes a large contribution of desert dust for southern Europe |
| REST | Source categories with less than 10% relative contribution to the total modelled mass are combined under this label. |