| Acronym | Meaning |
| DRP | Dissolved Reactive Phosphorus |
| SIRMS | Stable Isotope Ratio Mass Spectrometry |
| PHF | Projected Hartree Fock |
| MLE | Maximum Likelihood Estimate |
| EBIS | Electron-beam Ion Source |
| WRITE | Waste Reduction Innovative Technology Evaluation (US EPA) |
| SCM | Subsurface Chlorophyll Maximum |
| SCF | Supercritical Fluid |
| TDS | Time-dependent Sudden |
| FTVS | Fourier Transform Visible Spectroscopy |