| Acronym | Meaning |
| WWAP | World Water Assessment Programme |
| CCAM | Charge-conserving Approxn. Method (for Quantum Calcns.) |
| AIEMP | Ab Initio Environment Model Potential |
| BSO | Brueckner Spin Orbitals |
| LSDXS | Local-spin-density (with) Screened Exchange |
| OHAO | Orthogonalized Hybrid Atomic Orbital |
| TRACE | Transport And Atmospheric Chemistry Near The Equator |
| EACE | Enzyme Affinity Capillary Electrophoresis |
| VIMS | Visible And IR Mapping Spectrometer |
| PAR | Population At Risk |