| Acronym | Meaning |
| UV | Ultraviolet |
| ADT | Aerated Drain Tank |
| HRDL | High-resolution Doppler Lidar |
| DSN | Deep Space Network |
| DLR | Deutsche Zentrum Fur Luft-und Raumfarht |
| GPP | Gross Primary Productivity |
| RPC | Remote Procedure Call |
| PIFM | Practical Improved Flux Method |
| IHOP | International H2O Project |
| BMFT | Bundesminsterium Fur Forschung Und Technologie |